CY74FCT373AT| Datasheet

CY74FCT373AT, CY74FCT373CT, CY74FCT373T

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CY54FCT373T, CY74FCT373T 8-BIT LATCHES WITH 3-STATE OUTPUTS
SCCS021B MAY 1994 REVISED OCTOBER 2001

D D D D D D D D D D

Function and Pinout Compatible With FCT and F Logic Reduced VOH (Typically = 3.3 V) Versions of Equivalent FCT Functions Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics Ioff Supports Partial-Power-Down Mode Operation ESD Protection Exceeds JESD 22 2000-V Human-Body Model (A114-A) 200-V Machine Model (A115-A) 1000-V Charged-Device Model (C101) Matched Rise and Fall Times Fully Compatible With TTL Input and Output Logic Levels 3-State Outputs CY54FCT373T 32-mA Output Sink Current 12-mA Output Source Current CY74FCT373T 64-mA Output Sink Current 32-mA Output Source Current

CY54FCT373T . . . D PACKAGE CY74FCT373T . . . Q OR SO PACKAGE (TOP VIEW)

OE O0 D0 D1 O1 O2 D2 D3 O3 GND

1 2 3 4 5 6 7 8 9 10

20 19 18 17 16 15 14 13 12 11

VCC O7 D7 D6 O6 O5 D5 D4 O4 LE

description
The 'FCT373T devices consist of eight latches with 3-state outputs for bus-organized applications. When the latch-enable (LE) input is high, the flip-flops appear transparent to the data. Data that meets the required setup times are latched when LE transitions from high to low. Data appears on the bus when the output-enable (OE) input is low. When OE is high, the bus output is in the high-impedance state. In this mode, data can be entered into the latches. These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2001, Texas Instruments Incorporated
On products compliant to MIL-PRF-38535, all parameters are tested unless otherwise noted. On all other products, production processing does not necessarily include testing of all parameters.

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

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