74HCT191D NXP Semiconductors, 74HCT191D Datasheet - Page 6

• 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
Fig.7 Synchronous n-stage counter with parallel gated carry/borrow.
Fig.6 Synchronous n-stage counter using ripple carry/borrow.
Fig.5 N-stage ripple counter using ripple clock.
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74HC/HCT191
Product specification