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74HC393 IC – (SMD Package) – Dual 4-bit Binary Ripple Counter IC (74393 IC)

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The 74HC393 counter circuits contain independent ripple carry counters and utilize advanced silicon-gate CMOS technology. The 74HC393 contains two 4-bit ripple carry binary counters, which can be cascaded to create a single divide-by-256 counter. Each of the two 4-bit counters is incremented on the HIGHto-LOW transition (negative edge) of the clock input, and each has an independent clear input. When clear is set HIGH all four bits of each counter are set to a low level. This enables count truncation and allows the implementation of divide-by-N counter configurations. Each of the counters outputs can drive 10 low power Schottky TTL equivalent loads. This counter is functionally as well as pin equivalent to the 74LS393. All inputs are protected from damage due to static discharge by diodes to VCC and ground.

Features:-

  • Typical operating frequency: 50 MHz
  • Typical propagation delay: 13 ns (Ck to QA)
  • Wide operating supply voltage range: 2–6V
  • Low input current: <1 µA
  • Low quiescent supply current: 80 µA maximum (74HC Series)
  • Fanout of 10 LS-TTL loads

Specification:-

Symbol Parameter Value Unit
VCC Supply Voltage − 0.5 to + 7.0V V
VIN DC Input Voltage  − 1.5 to VCC + 1.5V V
VOUT DC Output Voltage − 0.5 to VCC + 0.5V V
IIK, IOK Clamp Diode Current ± 20 mA
IOUT DC Output Current, per pin ± 25 mA
ICC DC VCC or GND Current, per pin ± 50 mA
TSTG Storage Temperature Range − 65°C to + 150 °C
PD Power Dissipation 500  mW
TL Lead Temperature 260 °C

74hc393-ic-datasheet

* product image for illustration purposes only. actual product may vary.

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