CY74FCT191T
4-BIT UP/DOWN BINARY COUNTER
SCCS016A – MAY 1994 – REVISED SEPTEMBER 2001 D
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D Q OR SO PACKAGE
(TOP VIEW) Function, Pinout, and Drive 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 …
