# HC393 Dual 4-Bit Binary Counter

## Features
️· Dual 4-bit binary counters in a single package
️· Independent clear (CLR) and clock (CLK) inputs for each counter
️· Divide-by-256 capability with each package
️· Parallel outputs for timing signals
️· Low power consumption (80µA max ICC)
️· Wide operating voltage range (2V to 6V)
️· Can drive up to 10 LSTTL loads
️· Typical propagation delay of 13ns
️· ±4mA output drive at 5V
️· Low input current (1µA max)

## Electrical Characteristics
️· VCC: 2V - 6V
️· VOH: (at IOH = -20µA) Varies with VCC (approx. 1.9V-5.9V)
️· VOL: (at IOL = 20µA) Varies with VCC (approx. 0.002V-0.1V)
️· Input High Voltage (VIH): Varies with VCC (approx. 3.15V-4.2V)
️· Input Low Voltage (VIL): Varies with VCC (approx. 0.5V-1.8V)

## Timing Requirements
️· Clock Frequency (fclock): Up to 36 MHz
️· Pulse Duration (CLK high/low): 14-80ns
️· Setup Time (tsu): 5-25ns
️· Propagation Delay (tpd): 13ns typical

## Package Options
️· PDIP, SOIC, SSOP, TSSOP, CDIP, CFP, LCCC

## Applications
️· Binary counters
️· Frequency dividers
️· Timing circuits
️· Digital logic applications