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MC74F569

Part Number	MC74F569
Manufacturer	Motorola
Description	(MC74F568 / MC74F569) 4-BIT BIDIRECTIONAL COUNTERS(WITH 3-STATE OUTPUTS)
Published	Jan 7, 2006
Detailed Description	4-BIT BIDIRECTIONAL COUNTERS (WITH 3-STATE OUTPUTS) The MC54/ 74F568 and MC54/74F569 are fully synchronous, reversible c...
Datasheet	MC74F569 PDF File

Overview

4-BIT BIDIRECTIONAL COUNTERS (WITH 3-STATE OUTPUTS) The MC54/ 74F568 and MC54/74F569 are fully synchronous, reversible counters with 3-state outputs.
The F568 is a BCD decade counter; the F569 is a binary counter.
They feature preset capability for programmable operation, carry lookahead for easy cascading, and a U/D input to control the direction of counting.
For maximum flexibility there are both synchronous and master asynchronous reset inputs as well as both Clocked Carry (CC) and Terminal Count (TC) outputs.
All state changes except Master Reset are initiated by the rising edge of the clock.
A HIGH signal on the Output Enable (OE) input forces the output buffers into the high impedance ...

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