74HC191D,653 NXP Semiconductors, 74HC191D,653 Datasheet - Page 6

• Manufacturer Part Number: 74HC191D,653
• Description: IC 4BIT BINAR UP/DN COUNT 16SOIC
• Manufacturer: NXP Semiconductors
• Series: 74HCr

Specifications of 74HC191D,653

• Package / Case: 16-SOIC (3.9mm Width)
• Logic Type: Binary Counter
• Direction: Up, Down
• Number Of Elements: 1
• Number Of Bits Per Element: 4
• Timing: Synchronous
• Count Rate: 39MHz
• Trigger Type: Positive Edge
• Voltage - Supply: 2 V ~ 6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Reset: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 74HC191D-T; 74HC191D-T; 933714600653

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.
6
74HC/HCT191
Product specification