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3.3V CMOS OCTAL BUFFER/LINE DRIVER
Integrated Device Technology, Inc.
IDT54/74FCT3244/A
FEATURES:
* 0.5 MICRON CMOS Technology * ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) * 25 mil Center SSOP and QSOP Packages * Extended commercial range of -40C to +85C * VCC = 3.3V 0.3V, Normal Range or VCC = 2.7V to 3.6V, Extended Range * CMOS power levels (0.4W typ. static) * Rail-to-Rail output swing for increased noise margin * Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The FCT3244/A octal buffer/line drivers are built using advanced dual metal CMOS technology. These high-speed, low-power buffers are designed to be used as memory data and address drivers, clock drivers, and bus-oriented transmitter/receivers. The three-state controls are designed to operate these devices in a dual-nibble or single-byte mode. All inputs are designed with hysteresis for improved noise margin.
FUNCTIONAL BLOCK DIAGRAM
PIN CONFIGURATIONS
1OE
1 2 3 4 5 6 7 8 9 10 P20-1 D20-1 SO20-2 SO20-7 & SO20-8
20 19 18 17 16 15 14 13 12 11
Vcc
2OE 1Y 1 2A 4 1Y 2 2A 3 1Y 3 2A 2 1Y 4 2A 1
1OE 1A1 1A2 1Y1
1A 1 2Y 4 1 A2
1Y2 1Y3
2Y3 1 A3
1A3 1A4
2Y2 1A 4
1Y4
2Y 1
GND
2OE 2Y1 2Y2 2Y3 2Y4
2779 drw 01
DIP/SOIC/SSOP/QSOP TOP VIEW
2A1 2A2 2A3
2779 drw 02
2A4
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
(c)1996 Integrated Device Technology, Inc.
DECEMBER 1995
DSC-2779/4
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IDT54/74FCT3244/A 3.3V CMOS OCTAL BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN DESCRIPTION
Pin Names xOE xAx xYx Description 3-State Output Enable Inputs (Active LOW) Data Inputs 3-State Outputs
2779 tbl 01
FUNCTION TABLE(1)
Inputs xOE OE L L H
NOTE: 1. H = HIGH Voltage Level X = Don't Care L = LOW Voltage Level Z = High Impedance
xAx L H X
Outputs xYx
L
H Z
2779 tbl 02
ABSOLUTE MAXIMUM RATINGS(1)
Symbol Rating Commercial Military VTERM(2) Terminal Voltage -0.5 to +4.6 -0.5 to +4.6 with Respect to GND VTERM(3) Terminal Voltage -0.5 to +7.0 -0.5 to +7.0 with Respect to GND (4) Terminal Voltage -0.5 to VTERM -0.5 to with Respect to VCC + 0.5 VCC + 0.5 GND TA Operating -40 to +85 -55 to +125 Temperature TBIAS Temperature -55 to +125 -65 to +135 Under Bias TSTG Storage -55 to +125 -65 to +150 Temperature PT Power Dissipation 1.0 1.0 IOUT DC Output Current -60 to +60 -60 to +60 Unit V
CAPACITANCE (TA = +25C, f = 1.0MHz)
Symbol Parameter(1) CIN Input Capacitance COUT Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 4.0 Max. Unit 6.0 pF 8.0
pF
V
NOTE: 1. This parameter is measured at characterization but not tested.
2779 lnk 04
V C C C W mA
2779 lnk 03 NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. Vcc terminals. 3. Input terminals. 4. Output and I/O terminals.
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IDT54/74FCT3244/A 3.3V CMOS OCTAL BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Commercial: TA = -40C to +85C, VCC = 2.7V to 3.6V; Military: TA = -55C to +125C, VCC = 2.7V to 3.6V
Symbol VIH VIL II H II L IOZH IOZL VIK IODH IODL VOH Parameter Input HIGH Level (Input pins) Input HIGH Level (I/O pins) Input LOW Level (Input and I/O pins) Input HIGH Current (Input pins)(6) Input HIGH Current (I/O pins)(6) Input LOW Current (Input pins)(6) Input LOW Current (I/O (3-State Output pins) (6) pins)(6) VCC = Max. High Impedance Output Current Clamp Diode Voltage Output HIGH Current Output LOW Current Output HIGH Voltage VCC = Max. VI = 5.5V VI = VCC VI = GND VI = GND VO = VCC VO = GND VCC = Min., IIN = -18mA VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) VCC = Min. VIN = VIH or VIL VCC = 3.0V VIN = VIH or VIL VCC = Min. VIN = VIH or VIL IOH = -0.1mA IOH = -3mA IOH = -6mA MIL. IOH = -8mA COM'L. IOL = 0.1mA IOL = 16mA IOL = 24mA VCC = 3.0V IOL = 24mA VIN = VIH or VIL VCC = Max., VO = GND(3)
--
Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level
Min. 2.0 2.0 -0.5 -- -- -- -- -- -- -- -36 50 VCC-0.2 2.4 2.4 (5) -- -- -- -- -60 -- -- --
Typ.(2) -- --
--
Max. 5.5 VCC+0.5 0.8 1 1 1 1 1 1
-1.2
Unit V V A
-- -- -- -- -- -- -0.7
A V mA mA V
-60 90 -- 3.0 3.0 -- 0.2 0.3 0.3
-135
-110 200 -- -- -- 0.2 0.4 0.55 0.50 -240
--
VOL
Output LOW Voltage
V
IOS VH ICCL ICCH ICCZ
Short Circuit Current(4) Input Hysteresis Quiescent Power Supply Current
mA mV A
150 0.1 0.1
VCC = Max., VIN = GND or VCC
COM'L. MIL.
10 100
NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at Vcc = 3.3V, +25C ambient. 3. Not more than one output should be tested at one time. Duration of the test should not exceed one second. 4. This parameter is guaranteed but not tested. 5. VOH = VCC -0.6V at rated current. 6. The test limits for this parameter is 5A at TA = -55C.
2779 lnk 05
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IDT54/74FCT3244/A 3.3V CMOS OCTAL BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol ICC ICCD Parameter Quiescent Power Supply Current Dynamic Power Supply Current(4) VCC = Max. Test Conditions(1) VIN = VCC - 0.6V(3) VIN = VCC VIN = GND Min. -- -- Typ.(2) 2.0 60 Max. 30 85 Unit A A/ MHz
VCC = Max. Outputs Open 50% Duty Cycle xOE = GND One Input Toggling VCC = Max. Outputs Open fi = 10MHz 50% Duty Cycle xOE = GND One Bit Toggling VCC = Max. Outputs Open fi = 2.5MHz 50% Duty Cycle xOE = GND Eight Bits Toggling
IC
Total Power Supply Current (6)
VIN = VCC VIN = GND VIN = VCC -0.6V VIN = GND VIN = VCC VIN = GND VIN = VCC -0.6V VIN = GND
--
0.6
0.9
mA
--
0.6
0.9
--
1.2
1.7 (5)
--
1.2
1.8 (5)
NOTES: 1. For conditions shown as max. or min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, +25C ambient. 3. Per TTL driven input; all other inputs at VCC or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fCPNCP/2 + fiNi) ICC = Quiescent Current (ICCL, ICCH and ICCZ) ICC = Power Supply Current for a TTL High Input DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) NCP = Number of Clock Inputs at fCP fi = Input Frequency Ni = Number of Inputs at fi
2779 tbl 06
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(3)
FCT3244 Com'l. Symbol Parameter Condition
(1)
FCT3244A Mil. Com'l. Max. Min.
(2)
Mil. Min.
(2)
Min.
(2)
Max.
Min.
(2)
Max.
Max.
Unit
tPLH tPHL tPZH tPZL tPHZ tPLZ
Propagation Delay xAx to xYx Output Enable Time Output Disable Time
CL = 50pF RL = 500
1.5 1.5 1.5
6.5 8.0 7.0
1.5 1.5 1.5
7.0 8.5 7.5
1.5 1.5 1.5
4.8 6.2 5.6
1.5 1.5 1.5
5.1 6.5 5.9
ns ns ns
2779 tbl 07 NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. Propagation Delays and Enable/Disable times are with VCC = 3.3V 0.3V, Normal Range. For VCC = 2.7V to 3.6V, Extended Range, all Propagation Delays and Enable/Disable times should be degraded by 20%.
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IDT54/74FCT3244/A 3.3V CMOS OCTAL BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS TEST CIRCUITS FOR ALL OUTPUTS
6V V
CC
SWITCH POSITION
Open GND
500 V Pulse Generator R
T IN
V D.U.T.
OUT
Test Open Drain Disable Low Enable Low Disable High Enable High All Other tests
Switch 6V
50pF C
L
500
SET-UP, HOLD AND RELEASE TIMES
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL PRESET CLEAR CLOCK ENABLE ETC. tSU
tH
tREM
tSU
tH
PROPAGATION DELAY
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL 3V 1.5V 0V VOH 1.5V VOL 3V 1.5V 0V
2779 drw 06
GND Open
2779 lnk 08 DEFINITIONS: CL= Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
2779 drw 03
PULSE WIDTH
3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V
2779 drw 04
LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
1.5V
1.5V
2779 drw 05
ENABLE AND DISABLE TIMES
ENABLE CONTROL INPUT tPZL OUTPUT NORMALLY SWITCH 6V LOW tPZH OUTPUT NORMALLY HIGH SWITCH GND 3V 1.5V tPHZ 0.3V 1.5V 0V VOH 0V
2779 drw 07
DISABLE 3V 1.5V tPLZ 0V 3V 0.3V VOL
NOTES: 1. Diagram shown for input Control Enable-LOW and input Control DisableHIGH. 2. Pulse Generator for All Pulses: Rate 1.0MHz; tF 2.5ns; tR 2.5ns. 3. If VCC is below 3V, input voltage swings should be adjusted not to exceed VCC.
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IDT54/74FCT3244/A 3.3V CMOS OCTAL BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
ORDERING INFORMATION
IDT XX Temp. Range FCT X Family XX Device Type X Package X Process Blank B P D SO PY Q 244 244A 3 54 74 Commercial MIL-STD-883, Class B Plastic DIP (P20-1) CERDIP (D20-1) Small Outline IC (SO20-2) Shrink Small Outline Package (SO20-7) Quarter-size Small Outline Package (SO20-8) Non-Inverting Octal Buffer/Line Driver
3.3 Volt -55C to +125C -40C to +85C
2779 drw 08
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