D Function and Pinout Compatible With FCT
and F Logic
D Reduced VOH (Typically = 3.3 V) Versions
of Equivalent FCT Functions
D Edge-Rate Control Circuitry for
Significantly Improved Noise
D Ioff Supports Partial-Power-Down Mode
D ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
D Matched Rise and Fall Times
D Fully Compatible With TTL Input and
Output Logic Levels
D 3-State Outputs
– 32-mA Output Sink Current
– 12-mA Output Source Current
– 64-mA Output Sink Current
– 32-mA Output Source Current
WITH 3-STATE OUTPUTS
SCCS021B – MAY 1994 – REVISED OCTOBER 2001
CY54FCT373T . . . D PACKAGE
CY74FCT373T . . . Q OR SO PACKAGE
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.
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.
•POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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.