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74161 Datasheet Synchronous Presettable 4-bit Counter

Manufacturer: SGS-THOMSON

Overview: M54/74HC160/161 M54/74HC162/163 SYNCHRONOUS PRESETTABLE 4-BIT COUNTER . HIGH SPEED fMAX = 63 MHz (TYP.) AT VCC = 5 V . LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT 25 °C . OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS . BALANCED PROPAGATION DELAYS tPLH = tPHL . HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) . WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V .

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

Part number 74161
Manufacturer SGS-THOMSON
File Size 328.86 KB
Description SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
Datasheet 74161 74163-SGS Datasheet (PDF)

General Description

ORDER CODES : M54HCXXXF1R M74HCXXXM1R M74HCXXXB1R M74HCXXXC1R M54/74HC160 Decade, Asynchronous Clear M54/74HC161 Binary, Asynchronous Clear M54/74HC162 Decade, Synchronous Clear M54/74HC163 Binary, Synchronous Clear PIN CONNECTIONS (top view) The M54/74HC160, 161, 162 and 163 are high speed CMOS SYNCHRONOUS PRESETTABLE COUNTERS fabricated with silicon gate C2MOS technology.

They have the same the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.

The M54/74HC160/162 are BCD Decade counters and the M54/74HC161/163 are 4 bit binary counters.

74161 Distributor