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ISL83385E
Data Sheet January 16, 2005 FN6001.4
15kV ESD Protected, +3V to +5.5V, 1 Microamp, 250kbps, RS-232 Transmitters/Receivers
The Intersil ISL83385E contains 3.0V to 5.5V powered RS-232 transmitters/receivers which meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. Targeted applications are PDAs, Palmtops, and notebook and laptop computers where the low operational, and even lower standby, power consumption is critical. Efficient on-chip charge pumps, coupled with a manual powerdown function reduces the standby supply current to a 1A trickle. Small footprint packaging, and the use of small, low value capacitors ensure board space savings as well. Data rates greater than 250kbps are guaranteed at worst case load conditions. This device is fully compatible with 3.3V only systems, mixed 3.3V and 5.0V systems, and 5.0V only systems. The single pin powerdown function (SHDN = 0) disables all the transmitters, while shutting down the charge pump to minimize supply current drain. Table 1 summarizes the features of the ISL83385E, while Application Note AN9863 summarizes the features of each device comprising the 3V RS-232 family.
Features
* ESD Protection for RS-232 I/O Pins to 15kV (IEC61000) * Low Power, Pin Compatible Upgrade for MAX3385E * Single SHDN Pin Disables Transmitters * RS-232 Compatible Outputs at 2.7V * Receivers Active in Powerdown * Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V * Latch-Up Free * On-Chip Voltage Converters Require Only Four External 0.1F Capacitors * Receiver Hysteresis For Improved Noise Immunity * Very Low Supply Current . . . . . . . . . . . . . . . . . . . . 0.3mA * Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps * Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/s * Wide Power Supply Range . . . . . . . Single +3V to +5.5V * Low Supply Current in Powerdown State. . . . . . . . . .<1A * Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
* Any System Requiring RS-232 Communication Ports - Battery Powered, Hand-Held, and Portable Equipment - Laptop Computers, Notebooks, Palmtops - Modems, Printers and other Peripherals - Digital Cameras - Cellular/Mobile Phones
Ordering Information
PART NUMBER ISL83385ECA PART MARKING 83385ECA TEMP. RANGE (C) 0 to 70 0 to 70 PACKAGE 20 Ld SSOP 20 Ld SSOP (Pb-free) PKG. DWG. # M20.209 M20.209 M20.209 M20.209 M18.3 M18.3
ISL83385ECAZ 83385ECAZ (See Note) ISL83385EIA ISL83385EIAZ (See Note) ISL83385EIB ISL83385EIBZ (See Note) 83385EIA 83385EIAZ 83385EIB 83385EIBZ
-40 to 85 20 Ld SSOP -40 to 85 20 Ld SSOP (Pb-free) -40 to 85 18 Ld SOIC -40 to 85 18 Ld SOIC (Pb-free)
Add "-T" suffix for tape and reel. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright (c) Intersil Americas Inc. 2001, 2004-2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners.
ISL83385E
TABLE 1. SUMMARY OF FEATURES NO. OF NO. OF PART NUMBER Tx. Rx. ISL83385E 2 2 NO. OF MONITOR Rx. (ROUTB) 0 DATA RATE (kbps) 250 Rx. ENABLE FUNCTION? No READY OUTPUT? No MANUAL POWERDOWN? Yes AUTOMATIC POWERDOWN FUNCTION? No
Pinouts
ISL83385E (SOIC) TOP VIEW
NC 1 C1+ 2 V+ 3 18 SHDN 17 VCC 16 GND 15 T1OUT 14 R1IN 13 R1OUT 12 T1IN 11 T2IN 10 R2OUT NC 1 C1+ 2 V+ 3
ISL83385E (SSOP) TOP VIEW
20 SHDN 19 VCC 18 GND 17 T1OUT 16 R1IN 15 R1OUT 14 T1IN 13 T2IN 12 R2OUT 11 NC
C1- 4 C2+ 5 C2- 6 V- 7 T2OUT 8 R2IN 9
C1- 4 C2+ 5 C2- 6 V- 7 T2OUT 8 R2IN 9 NC 10
Pin Descriptions
PIN VCC V+ VGND C1+ C1C2+ C2TIN TOUT RIN ROUT SHDN System power supply input (3.0V to 5.5V). Internally generated positive transmitter supply (+5.5V). Internally generated negative transmitter supply (-5.5V). Ground connection. External capacitor (voltage doubler) is connected to this lead. External capacitor (voltage doubler) is connected to this lead. External capacitor (voltage inverter) is connected to this lead. External capacitor (voltage inverter) is connected to this lead. TTL/CMOS compatible transmitter Inputs. 15kV ESD Protected, RS-232 level (nominally 5.5V) transmitter outputs. 15kV ESD Protected, RS-232 compatible receiver inputs. TTL/CMOS level receiver outputs. Active low input to shut down transmitters and on-board power supply, to place device in low power mode. FUNCTION
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ISL83385E Typical Operating Circuit
ISL83385E (Note 2)
C3 (OPTIONAL CONNECTION, NOTE 1) +3.3V to +5V + 0.1F 2 + 4 5 + 6 12 11 C1+ C1C2+ C2T1 T2 V15 8 17 VCC 3 V+ 7 + + C3 0.1F C4 0.1F + T1OUT T2OUT RS-232 LEVELS 14 R1 R2OUT 10 R2 5k 18 5k 9 R2IN R1IN GND 16 SHDN VCC
C1 0.1F C2 0.1F
T1IN T2IN TTL/CMOS LOGIC LEVELS
R1OUT
13
NOTES: 1. The negative terminal of C3 can be connected to either VCC or Gnd. 2. Pin numbers refer to SOIC package.
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ISL83385E
Absolute Maximum Ratings
VCC to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V V+ to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V V- to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V to -7V V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V Input Voltages TIN, SHDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V RIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V Output Voltages TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V ROUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V Short Circuit Duration TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table
Thermal Information
Thermal Resistance (Typical, Note 3)
JA (C/W)
18 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . 75 20 Ld SSOP Package . . . . . . . . . . . . . . . . . . . . . . . 125 Maximum Junction Temperature (Plastic Package) . . . . . . . 150C Maximum Storage Temperature Range . . . . . . . . . . . -65C to 150C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300C (Lead Tips Only)
Operating Conditions
Temperature Range ISL83385ECX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0C to 70C ISL83385EIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40C to 85C
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE: 3. JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1F; Unless Otherwise Specified. Typicals are at TA = 25C TEST CONDITIONS TEMP (C) MIN TYP MAX UNITS
PARAMETER DC CHARACTERISTICS Supply Current, Enabled Supply Current, Powerdown
All Outputs Unloaded, SHDN = VCC, VCC = 3.15V SHDN = GND
25 25
-
0.3 1
1 10
mA A
LOGIC AND TRANSMITTER INPUTS Input Logic Threshold Low Input Logic Threshold High TIN, SHDN TIN, SHDN VCC = 3.3V VCC = 5.0V Transmitter Input Hysteresis Input Leakage Current RECEIVER OUTPUTS Output Voltage Low Output Voltage High RECEIVER INPUTS Input Voltage Range Input Threshold Low VCC = 3.3V VCC = 5.0V Input Threshold High VCC = 3.3V VCC = 5.0V Input Hysteresis Input Resistance TRANSMITTER OUTPUTS Output Voltage Swing Output Resistance Output Short-Circuit Current Output Leakage Current VOUT = 12V, VCC = 0V or 3V to 5.5V, SHDN = GND All Transmitter Outputs Loaded with 3k to Ground VCC = V+ = V- = 0V, Transmitter Output = 2V Full Full Full Full 5.0 300 5.4 10M 35 60 25 V mA A Full 25 25 25 25 25 25 -25 0.6 0.8 3 1.2 1.5 1.5 1.8 0.5 5 25 2.4 2.4 7 V V V V V V k IOUT = 1.6mA IOUT = -1.0mA Full Full 0.4 V V TIN, SHDN Full Full Full 25 Full 2.0 2.4 0.5 0.01 0.8 1.0 V V V V A
VCC -0.6 VCC -0.1
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ISL83385E
Electrical Specifications
Test Conditions: VCC = 3V to 5.5V, C1 - C4 = 0.1F; Unless Otherwise Specified. Typicals are at TA = 25C (Continued) TEST CONDITIONS TEMP (C) MIN TYP MAX UNITS
PARAMETER TIMING CHARACTERISTICS Maximum Data Rate Receiver Propagation Delay
RL = 3k, CL = 1000pF, One Transmitter Switching Receiver Input to Receiver Output, CL = 150pF tPHL tPLH
Full 25 25 25 25 25 25 25
250 6 4
500 0.15 0.15 100 100 50 -
30 30
kbps s s s ns ns V/s V/s
Transmitter Output Enable Time Transmitter Skew Receiver Skew Transition Region Slew Rate
From SHDN Rising Edge to TOUT = 3.7V tPHL - tPLH (Note 4) tPHL - tPLH CL = 150pF to 1000pF RL = 3k to 7k, Measured From 3V to -3V or CL = 150pF to 2500pF -3V to 3V, VCC = 3.3V
ESD PERFORMANCE RS-232 Pins (TOUT, RIN) Human Body Model IEC61000-4-2 Air Gap Discharge IEC61000-4-2 Contact Discharge All Other Pins NOTE: 4. Transmitter skew is measured at the transmitter zero crossing points. Human Body Model 25 25 25 25 15 15 8 3 kV kV kV kV
Detailed Description
The ISL83385E operates from a single +3V to +5.5V supply, guarantees a 250kbps minimum data rate, requires only four small external 0.1F capacitors, features low power consumption, and meets all ElA RS-232C and V.28 specifications. The circuit is divided into three sections: The charge pump, the transmitters, and the receivers.
All transmitter outputs disable and assume a high impedance state when the device enters the powerdown mode (see Table 2). These outputs may be driven to 12V when disabled. All devices guarantee a 250kbps data rate for full load conditions (3k and 1000pF), VCC 3.0V, with one transmitter operating at full speed. Under more typical conditions of VCC 3.3V, RL = 3k, and CL = 250pF, one transmitter easily operates at 900kbps. Transmitter inputs float if left unconnected (there are no pullup resistors), and may cause ICC increases. Connect unused inputs to GND for the best performance.
TABLE 2. POWERDOWN TRUTH TABLE SHDN TRANSMITTER RECEIVER INPUT OUTPUTS OUTPUTS MODE OF OPERATION H L Active High-Z Active Active Normal Operation Manual Powerdown
Charge-Pump
Intersil's new ISL83385E utilizes regulated on-chip dual charge pumps as voltage doublers, and voltage inverters to generate 5.5V transmitter supplies from a VCC supply as low as 3.0V. This allows these devices to maintain RS-232 compliant output levels over the 10% tolerance range of 3.3V powered systems. The efficient on-chip power supplies require only four small, external 0.1F capacitors for the voltage doubler and inverter functions over the full VCC range; other capacitor combinations can be used as shown in Table 3. The charge pumps operate discontinuously (i.e., they turn off as soon as the V+ and V- supplies are pumped up to the nominal values), resulting in significant power savings.
Receivers
The ISL83385E contains standard inverting receivers that convert RS-232 signals to CMOS output levels and accept inputs up to 30V while presenting the required 3k to 7k input impedance (see Figure 1) even if the power is off (VCC = 0V). The receivers' Schmitt trigger input stage uses
Transmitters
The transmitters are proprietary, low dropout, inverting drivers that translate TTL/CMOS inputs to EIA/TIA-232 output levels. Coupled with the on-chip 5.5V supplies, these transmitters deliver true RS-232 levels over a wide range of single supply system voltages.
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ISL83385E
hysteresis to increase noise immunity and decrease errors due to slow input signal transitions.
VCC RXIN -25V VRIN +25V GND 5k RXOUT GND VROUT VCC
Capacitor Selection
These charge pumps only require 0.1F capacitors for the full operational voltage range. Table 3 lists other acceptable capacitor values for various supply voltage ranges. Do not use values smaller than those listed in Table 3. Increasing the capacitor values (by a factor of 2) reduces ripple on the transmitter outputs and slightly reduces power consumption. When using minimum required capacitor values, make sure that capacitor values do not degrade excessively with temperature. If in doubt, use capacitors with a larger nominal value. The capacitor's equivalent series resistance (ESR) usually rises at low temperatures and it influences the amount of ripple on V+ and V-.
TABLE 3. REQUIRED CAPACITOR VALUES VCC (V) 3.0 to 3.6 4.5 to 5.5 3.0 to 5.5 C1 (F) 0.1 0.047 0.1 C2, C3, C4 (F) 0.1 0.33 0.47
FIGURE 1. INVERTING RECEIVER CONNECTIONS
Low Power Operation
This 3V device requires a nominal supply current of 0.3mA, even at VCC = 5.5V, during normal operation (not in powerdown mode). This is considerably less than the 11mA current required by comparable 5V RS-232 devices, allowing users to reduce system power simply by replacing the old style device with the ISL83385E in new designs.
Powerdown Functionality
The already low current requirement drops significantly when the device enters powerdown mode. In powerdown, supply current drops to 1A, because the on-chip charge pump turns off (V+ collapses to VCC, V- collapses to GND), and the transmitter outputs three-state. This micro-power mode makes these devices ideal for battery powered and portable applications.
Power Supply Decoupling
In most circumstances a 0.1F bypass capacitor is adequate. In applications that are particularly sensitive to power supply noise, decouple VCC to ground with a capacitor of the same value as the charge-pump capacitor C1. Connect the bypass capacitor as close as possible to the IC.
Software Controlled (Manual) Powerdown
The ISL83385E may be forced into its low power, standby state via a simple shutdown (SHDN) pin (see Figure 2). Driving this pin high enables normal operation, while driving it low forces the IC into it's powerdown state. The time required to exit powerdown, and resume transmission is less than 100s. Connect SHDN to VCC if the powerdown function isn't needed.
SHDN PWR MGT LOGIC
Operation Down to 2.7V
ISL83385E transmitter outputs meet RS-562 levels (3.7V), at the full data rate, with VCC as low as 2.7V. RS-562 levels typically ensure inter operability with RS-232 devices.
Transmitter Outputs when Exiting Powerdown
Figure 3 shows the response of two transmitter outputs when exiting powerdown mode. As they activate, the two transmitter outputs properly go to opposite RS-232 levels, with no glitching, ringing, nor undesirable transients. Each transmitter is loaded with 3k in parallel with 2500pF. Note that the transmitters enable only when the magnitude of the supplies exceed approximately 3V.
ISL83385E
I/O UART CPU
FIGURE 2. CONNECTIONS FOR MANUAL POWERDOWN
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ISL83385E
5V/DIV. T1 T1IN
5V/DIV
SHDN
2V/DIV
T1OUT
T2 VCC = +3.3V C1 - C4 = 0.1F TIME (20s/DIV)
R1OUT VCC = +3.3V C1 - C4 = 0.1F 5s/DIV.
FIGURE 3. TRANSMITTER OUTPUTS WHEN EXITING POWERDOWN
FIGURE 5. LOOPBACK TEST AT 120kbps
High Data Rates
The ISL83385E maintains the RS-232 5V minimum transmitter output voltages even at high data rates. Figure 4 details a transmitter loopback test circuit, and Figure 5 illustrates the loopback test result at 120kbps. For this test, all transmitters were simultaneously driving RS-232 loads in parallel with 1000pF, at 120kbps. Figure 6 shows the loopback results for a single transmitter driving 1000pF and an RS-232 load at 250kbps. The static transmitter was also loaded with an RS-232 receiver.
VCC 0.1F 5V/DIV. T1IN
T1OUT
R1OUT + VCC = +3.3V C1 - C4 = 0.1F 2s/DIV. + C1 C1+ C1+ C2 ISL83385E C2+ C2TIN ROUT TOUT RIN 5K VCC SHDN 1000pF VVCC V+
+ C3
FIGURE 6. LOOPBACK TEST AT 250kbps
Interconnection with 3V and 5V Logic
C4 +
The ISL83385E directly interfaces with 5V CMOS and TTL logic families. Nevertheless, with the device at 3.3V, and the logic supply at 5V, AC, HC, and CD4000 outputs can drive ISL83385E inputs, but ISL83385E outputs do not reach the minimum VIH for these logic families. See Table 4 for more information.
FIGURE 4. TRANSMITTER LOOPBACK TEST CIRCUIT
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ISL83385E
TABLE 4. LOGIC FAMILY COMPATIBILITY WITH VARIOUS SUPPLY VOLTAGES VCC SYSTEM POWER-SUPPLY SUPPLY VOLTAGE VOLTAGE (V) (V) 3.3 5 5 3.3 5 3.3
typically present during handling and manufacturing. Due to the random nature of these events, each pin is tested with respect to all other pins. The RS-232 pins on "E" family devices can withstand HBM ESD events to 15kV.
COMPATIBILITY Compatible with all CMOS families. Compatible with all TTL and CMOS logic families. Compatible with ACT and HCT CMOS, and with TTL. ISL83385E outputs are incompatible with AC, HC, and CD4000 CMOS inputs.
IEC61000-4-2 Testing
The IEC61000 test method applies to finished equipment, rather than to an individual IC. Therefore, the pins most likely to suffer an ESD event are those that are exposed to the outside world (the RS-232 pins in this case), and the IC is tested in its typical application configuration (power applied) rather than testing each pin-to-pin combination. The lower current limiting resistor coupled with the larger charge storage capacitor yields a test that is much more severe than the HBM test. The extra ESD protection built into this device's RS-232 pins allows the design of equipment meeting level 4 criteria without the need for additional board level protection on the RS-232 port. AIR-GAP DISCHARGE TEST METHOD For this test method, a charged probe tip moves toward the IC pin until the voltage arcs to it. The current waveform delivered to the IC pin depends on approach speed, humidity, temperature, etc., so it is difficult to obtain repeatable results. The "E" device RS-232 pins withstand 15kV air-gap discharges. CONTACT DISCHARGE TEST METHOD During the contact discharge test, the probe contacts the tested pin before the probe tip is energized, thereby eliminating the variables associated with the air-gap discharge. The result is a more repeatable and predictable test, but equipment limits prevent testing devices at voltages higher than 8kV. All "E" family devices survive 8kV contact discharges on the RS-232 pins.
15kV ESD Protection
All pins on the 3V interface devices include ESD protection structures, but the ISL83385E incorporates advanced structures which allow the RS-232 pins (transmitter outputs and receiver inputs) to survive ESD events up to 15kV. The RS-232 pins are particularly vulnerable to ESD damage because they typically connect to an exposed port on the exterior of the finished product. Simply touching the port pins, or connecting a cable, can cause an ESD event that might destroy unprotected ICs. These new ESD structures protect the device whether or not it is powered up, protect without allowing any latchup mechanism to activate, and don't interfere with RS-232 signals as large as 25V.
Human Body Model (HBM) Testing
As the name implies, this test method emulates the ESD event delivered to an IC during human handling. The tester delivers the charge through a 1.5k current limiting resistor, making the test less severe than the IEC61000 test which utilizes a 330 limiting resistor. The HBM method determines an ICs ability to withstand the ESD transients
Typical Performance Curves
6.0 TRANSMITTER OUTPUT VOLTAGE (V) 4.0 2.0 0 -2.0 -4.0 -6.0
VCC = 3.3V, TA = 25C
25 VOUT+ 20
1 TRANSMITTER AT 250kbps 1 TRANSMITTER AT 30kbps
SLEW RATE (V/s)
15 -SLEW +SLEW 10
VOUT 5
0
1000
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
LOAD CAPACITANCE (pF)
LOAD CAPACITANCE (pF)
FIGURE 7. TRANSMITTER OUTPUT VOLTAGE vs LOAD CAPACITANCE
FIGURE 8. SLEW RATE vs LOAD CAPACITANCE
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ISL83385E Typical Performance Curves
45 40 SUPPLY CURRENT (mA) 35 30 25 20 15 10 5 0 0 1000 2000 3000 4000 5000 20kbps 120kbps 250kbps SUPPLY CURRENT (mA)
VCC = 3.3V, TA = 25C (Continued)
3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 2.5
NO LOAD ALL OUTPUTS STATIC
3.0
3.5
4.0
4.5
5.0
5.5
6.0
LOAD CAPACITANCE (pF)
SUPPLY VOLTAGE (V)
FIGURE 9. SUPPLY CURRENT vs LOAD CAPACITANCE WHEN TRANSMITTING DATA
FIGURE 10. SUPPLY CURRENT vs SUPPLY VOLTAGE
Die Characteristics
SUBSTRATE POTENTIAL (POWERED UP) GND TRANSISTOR COUNT 338 PROCESS Si Gate CMOS
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ISL83385E Small Outline Plastic Packages (SOIC)
N INDEX AREA H E -B1 2 3 SEATING PLANE -AD -CA h x 45 0.25(0.010) M BM
M18.3 (JEDEC MS-013-AB ISSUE C)
18 LEAD WIDE BODY SMALL OUTLINE PLASTIC PACKAGE INCHES SYMBOL A
L
MILLIMETERS MIN 2.35 0.10 0.33 0.23 11.35 7.40 10.00 0.25 0.40 18 8 0 8 MAX 2.65 0.30 0.51 0.32 11.75 7.60 10.65 0.75 1.27 NOTES 9 3 4 5 6 7 Rev. 1 6/05
MIN 0.0926 0.0040 0.013 0.0091 0.4469 0.2914 0.394 0.010 0.016 18 0
MAX 0.1043 0.0118 0.0200 0.0125 0.4625 0.2992 0.419 0.029 0.050
A1 B C D E e H
C
A1 0.10(0.004)
0.050 BSC
1.27 BSC
e
B 0.25(0.010) M C AM BS
h L N
NOTES: 1. Symbols are defined in the "MO Series Symbol List" in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. 3. Dimension "D" does not include mold flash, protrusions or gate burrs. Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006 inch) per side. 4. Dimension "E" does not include interlead flash or protrusions. Interlead flash and protrusions shall not exceed 0.25mm (0.010 inch) per side. 5. The chamfer on the body is optional. If it is not present, a visual index feature must be located within the crosshatched area. 6. "L" is the length of terminal for soldering to a substrate. 7. "N" is the number of terminal positions. 8. Terminal numbers are shown for reference only. 9. The lead width "B", as measured 0.36mm (0.014 inch) or greater above the seating plane, shall not exceed a maximum value of 0.61mm (0.024 inch) 10. Controlling dimension: MILLIMETER. Converted inch dimensions are not necessarily exact.
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ISL83385E Shrink Small Outline Plastic Packages (SSOP)
N INDEX AREA E -B1 2 3 0.25 0.010 L GAUGE PLANE H 0.25(0.010) M BM
M20.209 (JEDEC MO-150-AE ISSUE B)
20 LEAD SHRINK SMALL OUTLINE PLASTIC PACKAGE INCHES SYMBOL A A1 A2 B C D
-C-
MILLIMETERS MIN 1.73 0.05 1.68 0.25 0.09 7.07 5.20' MAX 1.99 0.21 1.78 0.38 0.20' 7.33 5.38 3 4 9 NOTES
MIN 0.068 0.002 0.066 0.010' 0.004 0.278 0.205
MAX 0.078 0.008' 0.070' 0.015 0.008 0.289 0.212
SEATING PLANE -AD A
A1 0.10(0.004) A2 C
E e H L N
e
B 0.25(0.010) M C AM BS
0.026 BSC 0.301 0.025 20 0 deg. 8 deg. 0.311 0.037
0.65 BSC 7.65 0.63 20 0 deg. 8 deg. Rev. 3 11/02 7.90' 0.95 6 7
NOTES: 1. Symbols are defined in the "MO Series Symbol List" in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. 3. Dimension "D" does not include mold flash, protrusions or gate burrs. Mold flash, protrusion and gate burrs shall not exceed 0.20mm (0.0078 inch) per side. 4. Dimension "E" does not include interlead flash or protrusions. Interlead flash and protrusions shall not exceed 0.20mm (0.0078 inch) per side. 5. The chamfer on the body is optional. If it is not present, a visual index feature must be located within the crosshatched area. 6. "L" is the length of terminal for soldering to a substrate. 7. "N" is the number of terminal positions. 8. Terminal numbers are shown for reference only. 9. Dimension "B" does not include dambar protrusion. Allowable dambar protrusion shall be 0.13mm (0.005 inch) total in excess of "B" dimension at maximum material condition. 10. Controlling dimension: MILLIMETER. Converted inch dimensions are not necessarily exact.
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation's quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com 11
FN6001.4 January 16, 2005

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