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74ACT374

STMicroelectronics
Part Number 74ACT374
Manufacturer STMicroelectronics
Description Octal D-Type Flip-Flop
Published Apr 3, 2005
Detailed Description 74ACT374 OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING s s s s s s s s s HIGH SPEED: fMAX = 260 MHz ...
Datasheet PDF File 74ACT374 PDF File

74ACT374
74ACT374

Overview
74ACT374 OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING s s s s s s s s s HIGH SPEED: fMAX = 260 MHz (TYP.
) at VCC = 5V LOW POWER DISSIPATION: ICC = 8 µA (MAX.
) at TA = 25 oC COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN), VIL = 0.
8V (MAX) 50Ω TRANSMISSION LINE DRIVING CAPABILITY SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24 mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC (OPR) = 4.
5V to 5.
5V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 374 IMPROVED LATCH-UP IMMUNITY B M (Plastic Package) (Micro Package) ORDER CODES : 74ACT374B 74ACT374M On the positive transition of the clock, the Q outputs will be set to logic state that were setup at the D inputs.
While the (OE) input is low, the 8 outputs will be in a normal logic state (high or low logic level) and while high level the outputs will be in a high impedance state.
The output control does not affect the internal operation of flip flop; that is, the old data can be retained or the new data can be entered even while the outputs are off.
The device is designed to interface directly High Speed CMOS system with TTL and NMOS components.
All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.
DESCRIPTION The ACT374 is an advanced high-speed CMOS OCTAL D-TYPE FLIP FLOP with 3 STATE OUTPUT NON INVERTING fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.
It is ideal for low power applications mantaining high speed operation similar to equivalent Bipolar Schottky TTL.
These 8 bit D-Type flip-flops are controlled by a clock input (CK) and an output enable input (OE).
PIN CONNECTION AND IEC LOGIC SYMBOLS April 1997 1/10 74ACT374 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1 2, 5, 6, 9, 12, 15, 16, 19 3, 4, 7, 8, 13, 14, 17, 18 11 10 20 SYMBOL OE Q0 to Q7 NAME AND F UNCTIO N 3 State Output Enable Input (Active LOW) 3 State Outputs D0 to D7...


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