4-BIT SYNCHRONOUS UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)

Wide Operating Voltage Range of 2 V to 6 V Outputs Can Drive Up To 10 LSTTL Loads Low Power Consumption, 80-μA Max ICC Typical tpd = 20 ns ±4-mA Output Drive at 5 V Low Input Current of 1 μA Max Look-Ahead Circuitry Enhances Cascaded Counters Fully Synchronous in Count Modes Parallel Asyn

High-Speed CMOS Logic Presettable Synchronous 4-Bit Up/Down Counters

Features • Synchronous Counting and Asynchronous Loading • Two Outputs for N-Bit Cascading • Look-Ahead Carry for High-Speed Counting • Fanout (Over Temperature Range) - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loa

RAD-HARD SYNCHRONOUS UP/DOWN BINARY COUNTER

DESCRIPTION The M54/74HC192/193 are ahigh speed CMOSSYNCHRONOUS UP/DOWN DECADE COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 54 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28

High-Speed CMOS Logic Presettable Synchronous 4-Bit Up/Down Counters

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High-Speed CMOS Logic Presettable Synchronous 4-Bit Up/Down Counters

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High-Speed CMOS Logic Presettable Synchronous 4-Bit Up/Down Counters

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