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M54HC40103 Datasheet 8 Stage Presettable Synchronous Down Counters

Manufacturer: STMicroelectronics

Overview: M54/74HC40102 M54/74HC40103 8 STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS . . . . . . . . HIGH SPEED fMAX = 40 MHz (TYP.) at VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) at TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE |IOH| = IOL = 4 mA (MIN.

General Description

The M54/74HC40102/40103 are high speed CMOS 8-STAGE PRESETTABLE SYNCHRONOUS DOWN COUNTERS fabricated with silicon gate 2 C MOS technology.

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

The HC40102, and HC40103 consist of an 8-stage synchronous down counter with a single output which is active when the internal count is zero.

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