74HCT191D,652 NXP Semiconductors, 74HCT191D,652 Datasheet - Page 6

• Manufacturer Part Number: 74HCT191D,652
• Description: IC COUNTER UP/DOWN SYNC 16SOIC
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

Specifications of 74HCT191D,652

• 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: 4.5 V ~ 5.5 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: 74HCT191D; 74HCT191D; 933715080652

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