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HD74HC91 - 8-bit Shift Register

Description

This serial-in, serial-out, 8-bit shift register is composed of eight R-S master-slave flip-flops, input gating, and a clock drive.

Single-rail data and input control are gated through inputs A and B and an internal inverter to form the complementary inputs to the first bit of the shift register.

Features

  • High Speed Operation: tpd (Data Word Input to Output) = 21 ns typ (CL = 50 pF).
  • High Output Current: Fanout of 10 LSTTL Loads.
  • Wide Operating Voltage: VCC = 2 to 6 V.
  • Low Input Current: 1 µA max.
  • Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C).
  • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abb.

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Datasheet Details

Part number HD74HC91
Manufacturer Renesas
File Size 169.12 KB
Description 8-bit Shift Register
Datasheet download datasheet HD74HC91 Datasheet
Additional preview pages of the HD74HC91 datasheet.

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Full PDF Text Transcription

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HD74HC91 8-bit Shift Register REJ03D0696-0200 (Previous ADE-205-429) Rev.2.00 Oct 06, 2005 Description This serial-in, serial-out, 8-bit shift register is composed of eight R-S master-slave flip-flops, input gating, and a clock drive. Single-rail data and input control are gated through inputs A and B and an internal inverter to form the complementary inputs to the first bit of the shift register. Drive for the internal common clock line is provided by an inverting clock driver. This clock pulse inverter/driver causes these circuits to shift information one bit on the positive edge of an input clock pulse.
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