SN54ACT74 Dual Positive-Edge-Triggered D-type Flip-Flops With Clear And Preset | TI.com

SN54ACT74 (ACTIVE) Dual Positive-Edge-Triggered D-type Flip-Flops With Clear And Preset

Dual Positive-Edge-Triggered D-type Flip-Flops With Clear And Preset - SN54ACT74
Datasheet
 

Description

The ’ACT74 dual positive-edge-triggered devices are D-type flip-flops.

A low level at the preset (PRE)\ or clear (CLR)\ input sets or resets the outputs, regardless of the levels of the other inputs. When PRE\ and CLR\ are inactive (high), data at the data (D) input meeting the setup-time requirements is transferred to the outputs on the positive-going edge of the clock pulse. Clock triggering occurs at a voltage level and is not directly related to the rise time of the clock pulse. Following the hold-time interval, data at D can be changed without affecting the levels at the outputs.

Features

  • 4.5-V to 5.5-V VCC Operation
  • Inputs Accept Voltages to 5.5 V
  • Max tpd of 10.5 ns at 5 V
  • Inputs Are TTL-Voltage Compatible

Parametrics

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Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Bits (#) Voltage (Nom) (V) F @ nom voltage (Max) (MHz) ICC @ nom voltage (Max) (mA) tpd @ nom Voltage (Max) (ns) IOL (Max) (mA) IOH (Max) (mA) 3-state output Rating Operating temperature range (C)
SN54ACT74 Order now ACT     4.5     5.5     2     5     100     0.02     13     24     -24     No     Military     -55 to 125    
SN74ACT74 Samples not available ACT     4.5     5.5     2     5     90     0.02     13     24     -24     No     Catalog     -40 to 85