74HC191D-T NXP Semiconductors, 74HC191D-T Datasheet - Page 7
![Counter ICs SYNC BIN U/D COUNTER](/photos/15/59/155965/soic16_sml.jpg)
74HC191D-T
Manufacturer Part Number
74HC191D-T
Description
Counter ICs SYNC BIN U/D COUNTER
Manufacturer
NXP Semiconductors
Datasheet
1.74HC191N652.pdf
(14 pages)
Specifications of 74HC191D-T
Counter Type
Binary Counters
Mounting Style
SMD/SMT
Package / Case
SOT-109
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74HC191D,653
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
Product specification