CD54AC374 Octal D-Type Flip-Flops with 3-State Outputs | TI.com

CD54AC374
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Octal D-Type Flip-Flops with 3-State Outputs

Octal D-Type Flip-Flops with 3-State Outputs - CD54AC374
Datasheet
 

Description

The RCA-CD54/74AC374 and CD54/74AC534 and the CD54/74ACT374 and CD54/74ACT534 octal D-type, 3-state, positive-edge triggered flip-flops use the RCA ADVANCED CMOS technology. The eight flip-flops enter data into their registers on the LOW-to-HIGH transition of the clock (CP). The Output Enable (OE\) controls the 3-state outputs and is independent of the register operation. When the Output Enable (OE\) is HIGH, the outputs are in the high-impendance state. The CD54/74AC/ACT374 and CD54/74AC/ACT534 share the same pin configurations, but the CD54/74AC/ACT374 outputs are non-inverted while the CD54/74AC/ACT534 devices have inverted outputs. (For flow-through pin configurations, see CD54/74AC/ACT564 and CD54/74AC/ACT574.)

The CD74AC/ACT374 and CD74AC/ACT534 are supplied in 20-lead dual-in-line plastic packages (E suffix) and in 20-lead dual-in-line small-outline plastic packages (M suffix). Both package types are operable over the following temperature range: Commerical (0 to 70°C); Industrial (-40 to +85°C); and Extended Industrial/Military (-55 to +125°C).

The CD54AC/ACT374 and CD54AC/ACT534, available in chip form (H suffix), are operable over the -55 to +125°C temperature range.

Features

  • Buffered inputs
  • Typical propagation delay:
    5 ns @ VCC = 5 V, TA = 25°C, CL = 50 pF
  • Exceeds 2-kV ESD Protection - MIL-STD-883, Method 3015
  • SCR-Latch-up-resistant CMOS process and circuit design
  • Speed of bipolar FAST*/AS/S with significantly reduced power consumption
  • Balanced propagation delays
  • AC types feature 1.5-V to 5.5-V operation and balanced noise immunity at 30% of the supply
  • ± 24-mA output drive current
    -Fanout to 15 FAST* ICs
    -Drives 50-ohm transmission lines
  • Characterized for operation from –40° to 85°C

*FAST is a Registered Trademark of Fairchild Semiconductor Corp.

Parametrics

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Part number Order Technology Family Input type Output type VCC (Min) (V) VCC (Max) (V) Channels (#) Clock Frequency (Max) (MHz) ICC (uA) IOL (Max) (mA) IOH (Max) (mA) Features Rating Package Group
CD54AC374 Order now AC     Standard CMOS     3-State     1.5     5.5     8     125     160     24     -24     Balanced outputs
High speed (tpd 10-50ns)
Positive input clamp diode    
Military     CDIP | 20    
CD74AC374 Samples not available AC     Standard CMOS     3-State     1.5     5.5     8     110     160     24     -24     Balanced outputs
High speed (tpd 10-50ns)
Positive input clamp diode    
Catalog     PDIP | 20
SOIC | 20