Octal D-Type Flip-Flop
TECHNICAL DATA
Octal 3-State Noninverting D Flip-Flop
High-Speed Silicon-Gate CMOS
The IN74AC374 is identical in pinout...
Description
TECHNICAL DATA
Octal 3-State Noninverting D Flip-Flop
High-Speed Silicon-Gate CMOS
The IN74AC374 is identical in pinout to the LS/ALS374, HC/HCT374. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. Data meeting the setup and hold time is clocked to the outputs with the rising edge of the Clock. The Output Enable input does not affect the states of the flip-flops, but when Output Enable is high, the outputs are forced to the high-impedance state; thus, data may be stored even when the outputs are not enabled. Outputs Directly Interface to CMOS, NMOS, and TTL Operating Voltage Range: 2.0 to 6.0 V Low Input Current: 1.0 µA; 0.1 µA @ 25°C High Noise Immunity Characteristic of CMOS Devices Outputs Source/Sink 24 mA
IN74AC374
ORDERING INFORMATION IN74AC374N Plastic IN74AC374DW SOIC TA = -40° to 85° C for all packages
PIN ASSIGNMENT
LOGIC DIAGRAM
FUNCTION TABLE
Inputs Output D H L L,H, X X X Q H L no change Z
w
w
w
.d
e e h s a t a
. u t4
m o c
Output Enable L L L H
Clock
PIN 20=VCC PIN 10 = GND
X = don’t care Z = high impedance
1
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IN74AC374
MAXIMUM RATINGS*
Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL
*
Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Sink/Source Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Pla...
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