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  • 74HC393D


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NXP Semiconductors


Counter Shift Register


Counter/Divider Dual 4-Bit Binary UP 14-Pin SO T/R

The 74HC393; 7474HCT393 is a dual 4-stage binary ripple counter. Each counter features a clock input (nCP), an overriding asynchronous master reset input (nMR) and 4 buffered parallel outputs (nQ0 to nQ3). The counter advances on the HIGH-to-LOW transition of nCP. A HIGH on nMR clears the counter stages and forces the outputs LOW, independent of the state of nCP. Inputs include clamp diodes. This enables the use of current limiting resistors to interface inputs to voltages in excess of VCC.


EU RoHS Compliant

Logic Family HC

Logic Function Counter/Divider

Type Binary

Operation Mode UP Counter

Number of Elements per Chip 2

Number of Element Inputs 1

Number of Element Outputs 4

Fabrication Technology CMOS

Number of Stages 4

Direction Type Uni-Directional

Minimum Operating Temperature (°C) -40

Maximum Operating Temperature (°C) 125

Packaging Tape and Reel

Absolute Propagation Delay Time (ns) 210

Minimum Operating Supply Voltage (V) 2

Typical Operating Supply Voltage (V) 5

Maximum Operating Supply Voltage (V) 6

Mounting Surface Mount

Package Height (mm) 1.45(Max)

Package Length (mm) 8.75(Max)

Package Width (mm) 4(Max)

PCB changed 14

Standard Package Name SOP

Supplier Package SO

Pin Count 14

Lead Shape Gull-wing


• Two 4-bit binary counters with individual clocks

• Divide-by any binary module up to 28 in one package

• Two master resets to clear each 4-bit counter


• Output capability: standard

• ICC category: MSI



Contact: Ms. Yuan

Phone: 13632604232

Tel: 0756-8996108


Old address: 6/F, Huali Building, No. 341 Yanhedong Rd, Xiangzhou District, Zhuhai, Guangdong, China

New address: 1-C206, No.1 Hagongda Rd, Tangjiawan, New & High -tech development zone, Zhuhai, Guangdong Province, P.R. China

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