74HCT191D NXP Semiconductors, 74HCT191D Datasheet - Page 7

• Manufacturer Part Number: 74HCT191D
• Description: Counter ICs SYNC BIN U/D COUNTER
• Manufacturer: NXP Semiconductors

Specifications of 74HCT191D

• Counter Type: Binary Counters
• Mounting Style: SMD/SMT
• Package / Case: SOT-109
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HCT191D,652

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