74HC/HCT191 Philips Semiconductors (Acquired by NXP), 74HC/HCT191 Datasheet - Page 7
74HC/HCT191
Manufacturer Part Number
74HC/HCT191
Description
Presettable Synchronous 4-bit Binary Up/down Counter
Manufacturer
Philips Semiconductors (Acquired by NXP)
Datasheet
1.74HCHCT191.pdf
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Philips Semiconductors
December 1990
Presettable synchronous 4-bit binary
up/down counter
Sequence
Load (preset) to binary thirteen;
count up to fourteen, fifteen,
inhibit;
count down to one, zero, fifteen,
Fig.8
zero, one and two;
fourteen and thirteen.
Typical load, count and
inhibit sequence.
Fig.9 Logic diagram.
7
74HC/HCT191
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