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19-3673; Rev 5; 10/07
Ultra-Small, Adjustable Sequencing/Supervisory Circuits
General Description
The MAX6895-MAX6899 is a family of small, low-power, voltage-monitoring circuits with sequencing capability. These miniature devices offer tremendous flexibility with an adjustable threshold capable of monitoring down to 0.5V and an external capacitor-adjustable time delay. These devices are ideal for use in power-supply sequencing, reset sequencing, and power-switching applications. Multiple devices can be cascaded for complex sequencing applications. A high-impedance input with a 0.5V threshold allows an external resistive divider to set the monitored threshold. The output asserts (OUT = high or OUT = low) when the input voltage rises above the 0.5V threshold and the enable input is asserted (ENABLE = high or ENABLE = low). When the voltage at the input falls below 0.5V or when the enable input is deasserted (ENABLE = low or ENABLE = high), the output deasserts (OUT = low or OUT = high). All devices provide a capacitor-programmable delay time from when the input rises above 0.5V to when the output is asserted. The MAX689_A versions provide the same capacitor-adjustable delay from when enable is asserted to when the output asserts. The MAX689_P devices have a 1s propagation delay from when enable is asserted to when the output asserts. The MAX6895A/P offers an active-high enable input and an active-high push-pull output. The MAX6896A/P offers an active-low enable input and an active-low push-pull output. The MAX6897A/P offers an activehigh enable input and an active-high open-drain output. Finally, the MAX6898A/P offers an active-low enable input and an active-low open-drain output. The MAX6899A/P offers an active-low enable with an activehigh push-pull output. All devices operate from a 1.5V to 5.5V supply voltage and are fully specified over the -40C to +125C operating temperature range. These devices are available in ultra-small 6-pin DFN (1.0mm x 1.5mm) and thin SOT23 (1.60mm x 2.90mm) packages.
Features
1.8% Accurate Adjustable Threshold Over Temperature Operate from VCC of 1.5V to 5.5V Capacitor-Adjustable Delay Active-High/-Low Enable Input Options Active-High/-Low Output Options Open-Drain (28V Tolerant)/Push-Pull Output Options Low Supply Current (10A, typ) Fully Specified from -40C to +125C Ultra-Small 6-Pin DFN Package or Thin SOT23 Package
MAX6895-MAX6899
Ordering Information
PART MAX6895AALT+ MAX6895AAZT+ MAX6895PALT+T MAX6895PAZT+ MAX6896AALT+ MAX6896AAZT+ MAX6896PALT+T MAX6896PAZT+ PIN-PACKAGE 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 TOP MARK +AW +AADK +AX +AADL +AY +AADO +AZ +AADP PKG CODE L611-1 Z6-1 L611-1 Z6-1 L611-1 Z6-1 L611-1 Z6-1
Ordering Information continued at end of data sheet. Note: All devices are specified over the -40C to +125C operating temperature range. +Denotes a lead-free package. T = Tape and reel.
Pin Configurations
TOP VIEW
VCC 6 CDELAY 5 OUT 4
Applications
Automotive Medical Equipment Intelligent Instruments Portable Equipment Computers/Servers Critical P Monitoring Set-Top Boxes Telecom
1 ENABLE (ENABLE)
MAX6895 MAX6897 MAX6899
2 GND 3 IN
DFN Typical Operating Circuit and Selector Guide appear at end of data sheet.
( ) FOR MAX6899 ONLY.
Pin Configurations continued at end of data sheet. 1
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim's website at www.maxim-ic.com.
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
ABSOLUTE MAXIMUM RATINGS
VCC, ENABLE, ENABLE, IN......................................-0.3V to +6V OUT, OUT (push-pull) ................................-0.3V to (VCC + 0.3V) OUT, OUT (open-drain)..........................................-0.3V to +30V CDELAY......................................................-0.3V to (VCC + 0.3V) Output Current (all pins) ...................................................20mA Continuous Power Dissipation (TA = +70C) 6-Pin DFN (derate 2.1mW/C above +70C)...........167.7mW 6-Pin Thin SOT23 (derate 2.7mW/C above +70C) ...219.1mW Operating Temperature Range .........................-40C to +125C Storage Temperature Range .............................-65C to +150C Junction Temperature ......................................................+150C Lead Temperature (soldering, 10s) .................................+300C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = 1.5V to 5.5V, TA = -40C to +125C, unless otherwise specified. Typical values are at VCC = 3.3V and TA = +25C, unless otherwise noted.) (Note 1)
PARAMETER SUPPLY Operating Voltage Range Undervoltage Lockout (Note 2) VCC Supply Current IN Threshold Voltage Hysteresis Input Current (Note 3) CDELAY Delay Charge Current Delay Threshold CDELAY Pulldown Resistance ENABLE/ENABLE Input Low Voltage Input High Voltage Input Leakage Current VIL VIH ILEAK ENABLE, ENABLE = VCC or GND 1.4 -100 +100 0.4 V V nA ICD VTCD RCDELAY CDELAY rising 200 0.95 250 1.00 130 300 1.05 500 nA V VTH VHYST IIN VIN rising, 1.5V < VCC < 5.5V VIN falling VIN = 0V or VCC -15 0.491 0.5 5 +15 0.509 V mV nA VCC UVLO ICC VCC falling VCC = 3.3V, no load 1.5 1.20 10 5.5 1.35 20 V V A SYMBOL CONDITIONS MIN TYP MAX UNITS
2
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Ultra-Small, Adjustable Sequencing/Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 1.5V to 5.5V, TA = -40C to +125C, unless otherwise specified. Typical values are at VCC = 3.3V and TA = +25C, unless otherwise noted.) (Note 1)
PARAMETER OUT/OUT Output Low Voltage (Open-Drain or Push-Pull) VCC 1.2V, ISINK = 90A, MAX6895/MAX6897/MAX6899 only VOL VCC 2.25V, ISINK = 0.5mA VCC 4.5V, ISINK = 1mA VCC 2.25V, ISOURCE = 500A Output High Voltage (Push-Pull) VOH VCC 4.5V, ISOURCE = 800A Output Open-Drain Leakage Current TIMING IN to OUT/OUT Propagation Delay Startup Delay (Note 4) ENABLE/ENABLE Minimum Input Pulse Width ENABLE/ENABLE Glitch Rejection ENABLE/ENABLE to OUT/OUT Delay tOFF tPROPP ENABLE/ENABLE to OUT/OUT Delay From device enabled to device disabled From device disabled to device enabled (P version) From device disabled CCDELAY = 0 to device enabled CCDELAY = 0.047F (A version) tPW 1 100 150 150 20 190 tDELAY tDL VIN rising VIN falling CCDELAY = 0 CCDELAY = 0.047F 40 190 16 2 s ms s ms s ns ns ns s ms ILKG Output high impedance, VOUT = 28V 0.8 x VCC 0.8 x VCC 1 A 0.3 0.3 0.4 V SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX6895-MAX6899
V
tPROPA
Note 1: All devices are production tested at TA = +25C. Limits over temperature are guaranteed by design. Note 2: When VCC falls below the UVLO threshold, the outputs will deassert (OUT goes low, OUT goes high). When VCC falls below 1.2V, the output state cannot be determined. Note 3: Guaranteed by design. Note 4: During the initial power-up, VCC must exceed 1.5V for at least 2ms before the output is guaranteed to be in the correct state.
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3
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
Typical Operating Characteristics
(VCC = 3.3V and TA = +25C, unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 VCC (V)
MAX6895 toc01
SUPPLY CURRENT vs. TEMPERATURE
MAX6895 toc02
IN THRESHOLD vs. TEMPERATURE
0.5008 0.5006 0.5004 VCC = 3V VTH (V) 0.5002 0.5000 0.4998 0.4996 0.4994 0.4992 0.4990
MAX6895 toc03
20 18 16 14 ICC (A) 12 10 8 6 4 2 0 VCC = 1.5V VCC = 5V
0.5010
ICC (A)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
-40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
-40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (C)
OUT DELAY vs. CCDELAY
MAX6895 toc04
OUTPUT LOW VOLTAGE vs. SINK CURRENT
MAX6895 toc05
OUTPUT HIGH VOLTAGE vs. SOURCE CURRENT
VCC = 5V 4.5 4.0 3.5 VOH (V) 3.0 2.5 2.0 1.5 VCC = 1.5V VCC = 3V
MAX6895 toc06
5000 4500 4000 3500 tDELAY (ms)
1.5 VCC = 1.5V 1.2 VCC = 3V VOL (V) 0.9 VCC = 5V
5.0
3000 2500 2000 1500 1000 500 0 0 100 200 300 400 500 600 700 800 900 1000 CCDELAY (nF)
0.6
0.3
1.0 0.5
0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 ISINK (mA)
0 0 2 4 6 8 10 12 14 16 18 20 ISOURCE (mA)
MAXIMUM TRANSIENT DURATION vs. INPUT OVERDRIVE
MAXIMUM TRANSIENT DURATION (s)
MAX6895 toc07
ENABLE TURN-ON/OFF (MAX6896P)
MAX6895 toc08
ENABLE TURN-ON/OFF DELAY (MAX6895A)
MAX6895 toc09
600 500 400 300 200 100 0 0 RESET OCCURS
OUT 2V/div
OUT 2V/div
ENABLE 2V/div
ENABLE 2V/div
10 20 30 40 50 60 70 80 90 100 VOVERDRIVE (mV)
100ns/div
40s/div
4
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Ultra-Small, Adjustable Sequencing/Supervisory Circuits
Pin Description
PIN MAX6895/ MAX6897 DFN THIN SOT23 MAX6896/ MAX6898 DFN THIN SOT23 MAX6899 DFN THIN SOT23 Active-High Logic-Enable Input. Drive ENABLE low to immediately deassert the output to its false state (OUT = low or OUT = high) independent of VIN. With VIN above VTH, drive ENABLE high to assert the output to its true state (OUT = high or OUT = low) after the adjustable delay period (MAX689_A) or a 150ns propagation delay (MAX689_P). Active-Low Logic-Enable Input. Drive ENABLE high to immediately deassert the output to its false state (OUT = low or OUT = high) independent of VIN. With VIN above VTH, drive ENABLE low to assert the output to its true state (OUT = high or OUT = low) after the adjustable delay period (MAX689_A) or a 150ns propagation delay (MAX689_P). Ground High-Impedance Monitor Input. Connect IN to an external resistive divider to set the desired monitored threshold. The output changes state when VIN rises above 0.5V and when VIN falls below 0.495V. Active-High Sequencer/Monitor Output, Push-Pull (MAX6895/MAX6899) or Open-Drain (MAX6897). OUT is asserted to its true state (OUT = high) when VIN is above VTH and the enable input is in its true state (ENABLE = high or ENABLE = low) for the capacitor-adjusted delay period. OUT is deasserted to its false state (OUT = low) immediately after VIN drops below VTH - 5mV or the enable input is in its false state (ENABLE = low or ENABLE = high). The open-drain version requires an external pullup resistor. Active-Low Sequencer/Monitor Output, Push-Pull (MAX6896) or Open-Drain (MAX6898). OUT is asserted to its true state (OUT = low) when VIN is above VTH and the enable input is in its true state (ENABLE = high or ENABLE = low) for the CDELAY adjusted timeout period. OUT is deasserted to its false state (OUT = high) immediately after VIN drops below VTH - 5mV or the enable input is in its false state (ENABLE = low or ENABLE = high). The opendrain version requires an external pullup resistor. Capacitor-Adjustable Delay. Connect an external capacitor (CCDELAY) from CDELAY to GND to set the IN to OUT (and ENABLE to OUT or ENABLE to OUT for A version devices) 6 delay period. tDELAY = (CCDELAY x 4.0 x 10 ) + 40s. There is a fixed short delay (40s, typ) for the output deasserting when VIN falls below VTH. Supply Voltage Input. Connect a 1.5V to 5.5V supply to VCC to power the device. For noisy systems, bypass with a 0.1F ceramic capacitor to GND. NAME FUNCTION
MAX6895-MAX6899
1
1
--
--
--
--
ENABLE
--
--
1
1
1
1
ENABLE
2
2
2
2
2
2
GND
3
3
3
3
3
3
IN
4
4
--
--
4
4
OUT
--
--
4
4
--
--
OUT
5
6
5
6
5
6
CDELAY
6
5
6
5
6
5
VCC
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5
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
Table 1. MAX6895/MAX6897 Output
ENABLE (MAX6895) ENABLE (MAX6899) IN LOGIC 0.5V OUT
IN
VCC
ENABLE Low High Low High Low Low Low
OUT
VIN < VTH VIN < VTH VIN > VTH VIN > VTH
OUT = VCC (MAX6895) OUT = high impedance (MAX6897)
250nA 1.0V
Table 2. MAX6896/MAX6898 Output
IN ENABLE Low OUT OUT = VCC (MAX6896) VIN < VTH OUT = high impedance (MAX6898) OUT = VCC (MAX6896)
CDELAY GND
MAX6895 MAX6899
VIN < VTH VIN > VTH VIN > VTH
High Low High
OUT = high impedance (MAX6898) Low OUT = VCC (MAX6896) OUT = high impedance (MAX6898)
Figure 1. MAX6895/MAX6899 Functional Diagram
Detailed Description
The MAX6895-MAX6899 is a family of ultra-small, lowpower, sequencing/supervisory circuits. These devices provide adjustable voltage monitoring for inputs down to 0.5V. They are ideal for use in power-supply sequencing, reset sequencing, and power-switching applications. Multiple devices can be cascaded for complex sequencing applications. Voltage monitoring is performed through a high-impedance input (IN) with an internally fixed 0.5V threshold. When the voltage at IN falls below 0.5V or when the enable input is deasserted (ENABLE = low or ENABLE = high), the output deasserts (OUT goes low or OUT goes high). When VIN rises above 0.5V and the enable input is asserted (ENABLE = high or ENABLE = low), the output asserts (OUT goes high or OUT goes low) after a capacitor-programmable time delay. With VIN above 0.5V, the enable input can be used to turn the output on or off. After the enable input is asserted, the output turns on with a capacitor-programmable delay period (A version) or with a 150ns propagation delay (P version). Tables 1, 2, and 3 detail the output state depending on the various input and enable conditions.
Table 3. MAX6899 Output
IN VIN < VTH VIN < VTH VIN > VTH VIN > VTH ENABLE Low High Low High OUT Low Low High Low
Supply Input (VCC)
The device operates with a VCC supply voltage from 1.5V to 5.5V. To maintain a 1.8% accurate threshold, VCC must be above 1.5V. When VCC falls below the UVLO threshold, the output deasserts. When VCC falls below 1.2V the output state cannot be determined. For noisy systems, connect a 0.1F ceramic capacitor from VCC to GND as close to the device as possible. For the push-pull active-high output option, a 100k external pulldown resistor to ground ensures the correct logic state for VCC down to 0.
6
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Ultra-Small, Adjustable Sequencing/Supervisory Circuits
Monitor Input (IN)
Connect the center point of a resistive divider to IN to monitor external voltages (see R1 and R2 of the Typical Operating Circuit). IN has a rising threshold of VTH = 0.5V and a falling threshold of 0.495V (5mV hysteresis). When VIN rises above VTH and ENABLE is high (or ENABLE is low) OUT goes high (OUT goes low) after the programmed tDELAY period. When VIN falls below 0.495V, OUT goes low (OUT goes high) after a 16s delay. IN has a maximum input current of 15nA so large-value resistors are permitted without adding significant error to the resistive divider. asserts (OUT goes high or OUT goes low). When the output asserts, CCDELAY is immediately discharged. Adjust the delay (tDELAY) from when VIN rises above VTH (with ENABLE high or ENABLE low) to OUT going high (OUT going low) according to the equation: tDELAY = CCDELAY x 4.0 x 106 + 40s where CCDELAY is the external capacitor from CDELAY to GND. For adjustable delay devices (A version), when VIN > 0.5V and ENABLE goes from low to high (ENABLE goes from high to low) the output asserts after a tDELAY period. For nonadjustable delay devices (P version) there is a 1s propagation delay from when the enable input is asserted to when the output asserts. Figures 2 through 5 show the timing diagrams for the adjustable and fixed delay versions, respectively.
MAX6895-MAX6899
Adjustable Delay (CDELAY)
When VIN rises above VTH with ENABLE high (ENABLE low), the internal 250nA current source begins charging an external capacitor connected from CDELAY to GND. When the voltage at CDELAY reaches 1V, the output
VCC VUVLO
IN VTH
VTH t < tPROPA
ENABLE
OUT
tPROPA tDL
tDELAY tOFF
tPROPA
Figure 2. MAX6895A/MAX6897A Timing Diagram
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7
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
VCC VUVLO
IN t < tPROPA
ENABLE
OUT
tPROPA tDL
tDELAY tOFF
tPROPA
Figure 3. MAX6896A/MAX6898A Timing Diagram
VCC VUVLO
IN t > tPW
ENABLE
OUT
tDELAY tPROPP tDL tOFF tPROPP
Figure 4. MAX6895P/MAX6897P Timing Diagram
8
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Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
VCC VUVLO
IN t > tPW
ENABLE
OUT
tDELAY tPROPP tDL tOFF tPROPP
Figure 5. MAX6896P/MAX6898P Timing Diagram
VCC VUVLO
IN VTH
VTH t < tPROPA
ENABLE
OUT
tPROPA tDL
tDELAY tOFF
tPROPA
Figure 6. MAX6899A Timing Diagram
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9
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
VCC VUVLO
IN t > tPW
ENABLE
OUT
tDELAY tPROPP tDL tOFF tPROPP
Figure 7. MAX6899P Timing Diagram
Enable Input (ENABLE or ENABLE)
The MAX6895/MAX6897 offer an active-high enable input (ENABLE), while the MAX6896/MAX6898/MAX6899 offer an active-low enable input (ENABLE). With VIN above VTH, drive ENABLE high (ENABLE low) to force OUT high (OUT low) after the adjustable delay time (A versions). For P version devices, when VIN > 0.5V and enable is asserted, the output asserts after typically 150ns. The enable input has logic-high and logic-low voltage thresholds of 1.4V and 0.4V, respectively. For both versions, when VIN > 0.5V, drive ENABLE low (ENABLE high) to force OUT low (OUT high) within 150ns typ.
Applications Information
Input Threshold
The MAX6895-MAX6899 monitor the voltage on IN with an external resistive divider (see R1 and R2 in the Typical Operating Circuit). Connect R1 and R2 as close to IN as possible. R1 and R2 can have very high values to minimize current consumption due to low IN leakage currents (15nA max). Set R2 to some conveniently high value (1M, for example) and calculate R1 based on the desired monitored voltage using the following formula: V R1 = R2 x MONITOR - 1 VIN where VMONITOR is the desired monitored voltage and VIN is the detector input threshold (0.5V).
Output (OUT or OUT)
The MAX6895/MAX6899 offer an active-high, push-pull output (OUT), and the MAX6896 offers an active-low push-pull output (OUT). The MAX6897 offers an activehigh open-drain output (OUT), and the MAX6898 offers an active-low open-drain output (OUT). Push-pull output devices are referenced to VCC. Opendrain outputs can be pulled up to 28V.
10
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Ultra-Small, Adjustable Sequencing/Supervisory Circuits
Pullup Resistor Values (MAX6897/MAX6898)
The exact value of the pullup resistors for the opendrain outputs is not critical, but some consideration should be made to ensure the proper logic levels when the device is sinking current. For example, if VCC = 2.25V and the pullup voltage is 28V, you would try to keep the sink current less than 0.5mA as shown in the Electrical Characteristics table. As a result, the pullup resistor should be greater than 56k. For a 12V pullup, the resistor should be larger than 24k. It should be noted that the ability to sink current is dependent on the VCC supply voltage. used with a p-channel MOSFET in an overvoltage protection circuit. Figure 9 shows the MAX6895 in a lowvoltage sequencing application using an n-channel MOSFET. Figure 10 shows the MAX6895 used in a multiple-output sequencing application.
MAX6895-MAX6899
Using an n-Channel Device for Sequencing
In higher power applications, using an n-channel device reduces the loss across the MOSFETs as it offers a lower drain-to-source on-resistance. However, an nchannel MOSFET requires a sufficient V GS voltage to fully enhance it for a low RDS_ON. The application in Figure 9 shows the MAX6895 in a switch sequencing application using an n-channel MOSFET. Similarly, if a higher voltage is present in the system, the open-drain version can be used in the same manner.
Typical Application Circuits
Figures 8, 9, 10 show typical applications for the MAX6895-MAX6899. Figure 8 shows the MAX6895
3.3V ALWAYS ON
5V BUS 1.2V INPUT
0 TO 28V ENABLE R1 OUT VCC
P MONITORED 3.3V RPULLUP R1 OUT ENABLE VCC
N
1.2V OUTPUT
MAX6897
IN CDELAY R2 GND R2 IN
MAX6895
CDELAY GND CCDELAY
Figure 8. Overvoltage Protection
Figure 9. Low-Voltage Sequencing Using an n-Channel MOSFET
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11
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
3.3V 2.5V 1.8V 1.2V
5V BUS
DC-DC
DC-DC
DC-DC
DC-DC
EN
EN
EN
EN
SYSTEM ENABLE ENABLE VCC ENABLE VCC ENABLE VCC ENABLE VCC
IN
MAX6895
IN OUT
MAX6895
IN OUT
MAX6895
IN OUT
MAX6895
OUT
GND
GND
GND
GND
CCDELAY
CCDELAY
CCDELAY
CCDELAY
Figure 10. Multiple-Output Sequencing
12
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Ultra-Small, Adjustable Sequencing/Supervisory Circuits
Selector Guide
PART MAX6895AALT+T MAX6895AAZT+T MAX6895PALT+T MAX6895PAZT+T MAX6896AALT+T MAX6896AAZT+T MAX6896PALT+T MAX6896PAZT+T MAX6897AALT+T MAX6897AAZT+T MAX6897PALT+T MAX6897PAZT+T MAX6898AALT+T MAX6898AAZT+T MAX6898PALT+T MAX6898PAZT+T MAX6899AALT+T MAX6899AAZT+T MAX6899PALT+T MAX6899PAZT+T ENABLE INPUT Active-High Active-High Active-High Active-High Active-Low Active-Low Active-Low Active-Low Active-High Active-High Active-High Active-High Active-Low Active-Low Active-Low Active-Low Active-Low Active-Low Active-Low Active-Low OUTPUT Active-High, Push-Pull Active-High, Push-Pull Active-High, Push-Pull Active-High, Push-Pull Active-Low, Push-Pull Active-Low, Push-Pull Active-Low, Push-Pull Active-Low, Push-Pull Active-High, Open-Drain Active-High, Open-Drain Active-High, Open-Drain Active-High, Open-Drain Active-Low, Open-Drain Active-Low, Open-Drain Active-Low, Open-Drain Active-Low, Open-Drain Active-High, Push-Pull Active-High, Push-Pull Active-High, Push-Pull Active-High, Push-Pull INPUT (IN) DELAY Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable Capacitor Adjustable ENABLE DELAY Capacitor Adjustable Capacitor Adjustable 150ns Delay 150ns Delay Capacitor Adjustable Capacitor Adjustable 150ns Delay 150ns Delay Capacitor Adjustable Capacitor Adjustable 150ns Delay 150ns Delay Capacitor Adjustable Capacitor Adjustable 150ns Delay 150ns Delay Capacitor Adjustable Capacitor Adjustable 150ns Delay 150ns Delay
MAX6895-MAX6899
Ordering Information (continued)
PART MAX6897AALT+ MAX6897AAZT+ MAX6897PALT+T MAX6897PAZT+ MAX6898AALT+ MAX6898AAZT+ MAX6898PALT+T MAX6898PAZT+ MAX6899AALT+ MAX6899AAZT+ MAX6899PALT+T MAX6899PAZT+ PIN-PACKAGE 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 6 DFN-6 6 Thin SOT23-6 TOP MARK +BA +AADQ +BB +AADR +BD +AADS +BC +AADT +LO +AADM +LP +AADN PKG CODE L611-1 Z6-1 L611-1 Z6-1 L611-1 Z6-1 L611-1 Z6-1 L611-1 Z6-1 L611-1 Z6-1
R2 R1
Typical Operating Circuit
1.5V TO 5.5V 0.1F ENABLE VCC OUT
MAX6895
IN CDELAY GND CCDELAY
Note: All devices are specified over the -40C to +125C operating temperature range. +Denotes a lead-free package. T = Tape and reel. ______________________________________________________________________________________ 13
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
Pin Configurations (continued)
TOP VIEW
VCC 6 CDELAY 5 OUT 4
TOP VIEW +
ENABLE GND IN 3 1 2 3 6 CDELAY 5 4 VCC OUT
MAX6896 MAX6898
1 ENABLE 2 GND
MAX6895 MAX6897
THIN SOT23
IN
DFN
TOP VIEW +
ENABLE GND IN
1 2 3
6 CDELAY 5 4 VCC OUT (OUT) ( ) FOR MAX6899 ONLY.
MAX6896 MAX6898 MAX6899
THIN SOT23
Chip Information
PROCESS: BiCMOS
14
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Ultra-Small, Adjustable Sequencing/Supervisory Circuits
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.)
MAX6895-MAX6899
TOPMARK 2 4 5
3
A
4
e
5
b
6 PIN 1 0.075x45
AA
PIN 1 MARK
1
E
L
A2 D TOP VIEW A1 SIDE VIEW
3
2 A A
1
L1
L2
BOTTOM VIEW
COMMON DIMENSIONS
b
A A1 A2 D E L L1 L2 b e Pkg. Code
SECTION A-A
MIN. 0.65 -0.00 1.45 0.95 0.30 0.00 0.05 0.17
NOM. 0.72 0.20 -1.50 1.00 0.35 --0.20 0.50 BSC.
MAX. 0.80 -0.05 1.55 1.05 0.40 0.08 0.10 0.23
L611-1, L611-2
TITLE:
PACKAGE OUTLINE, 6L uDFN, 1.5x1.0x0.8mm
APPROVAL DOCUMENT CONTROL NO. REV.
-DRAWING NOT TO SCALE-
21-0147
E
1
2
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15
6L UDFN.EPS
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.)
TABLE 1
Translation Table for Calendar Year Code Calendar Year 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
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TABLE 2
Translation Table for Payweek Binary Coding Payweek 06-11 12-17 18-23 24-29 30-35 36-41 42-47 48-51 52-05
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TITLE:
PACKAGE OUTLINE, 6L uDFN, 1.5x1.0x0.8mm
APPROVAL DOCUMENT CONTROL NO. REV.
-DRAWING NOT TO SCALE-
21-0147
E
2
2
16
______________________________________________________________________________________
Ultra-Small, Adjustable Sequencing/Supervisory Circuits
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 6L THIN SOT23.EPS
MAX6895-MAX6899
______________________________________________________________________________________
17
Ultra-Small, Adjustable Sequencing/Supervisory Circuits MAX6895-MAX6899
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.)
Revision History
Pages changed at Rev 3: 1, 3, 5, 6, 9, 10, 11, 13, new part number added (all pages) Pages changed at Rev 4: 1, 2, 5, 7, 12-18 Pages changed at Rev 5: 1, 13, 18
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
18 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2007 Maxim Integrated Products is a registered trademark of Maxim Integrated Products, Inc.

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