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HD74LV393A - Dual 4-bit Binary Counters

General Description

The HD74LV393A contain two 4-bit ripple carry binary counters, which can be cascaded to create a single divide-by256 counter.

The HD74LV393A is incremented on the high to low transition (negative edge) of the clock input, and each has an independent clear input.

Key Features

  • VCC = 2.0 V to 5.5 V operation.
  • All inputs VIH (Max. ) = 5.5 V (@VCC = 0 V to 5.5 V).
  • All outputs VO (Max. ) = 5.5 V (@VCC = 0 V).
  • Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C).
  • Typical VOH undershoot > 2.3 V (@VCC = 3.3 V, Ta = 25.

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Datasheet Details

Part number HD74LV393A
Manufacturer Renesas
File Size 80.51 KB
Description Dual 4-bit Binary Counters
Datasheet download datasheet HD74LV393A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HD74LV393A Dual 4-bit Binary Counters REJ03D0333–0300Z (Previous ADE-205-276A (Z)) Rev.3.00 Jun. 28, 2004 Description The HD74LV393A contain two 4-bit ripple carry binary counters, which can be cascaded to create a single divide-by256 counter. The HD74LV393A is incremented on the high to 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 is set to a low level. This enables count truncation and allows the implementation of divide-by-N counter configurations. Low-voltage and high-speed operation is suitable for the battery-powered products (e.g., notebook computers), and the low-power consumption extends the battery life. Features • VCC = 2.0 V to 5.5 V operation • All inputs VIH (Max.) = 5.