SN74ACT244 Octal Buffers/Drivers With 3-State Outputs | TI.com

SN74ACT244 (ACTIVE)

Octal Buffers/Drivers With 3-State Outputs

 

Description

These SNx4ACT244 octal buffers and drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.

The SNx4ACT244 devices are organized as two 4-bit buffers and drivers with separate output-enable (OE) inputs. When OE is low, the device passes non-inverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

Features

  • 4.5-V to 5.5-V VCC Operation
  • Inputs Accept Voltages to 5.5 V
  • Max tpd of 9.5 ns at 5 V
  • Inputs are TTL Compatible
  • On Products Compliant to MIL-PRF-38535,
    All Parameters are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

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) Schmitt trigger Rating Operating temperature range (C)
SN74ACT244 Order now ACT     4.5     5.5     8     5     90     0.04     9     24     -24     No     Catalog     -40 to 85    
SN54ACT244 Samples not available ACT     4.5     5.5     8     5     90     0.04     9     24     -24     No     Military     -55 to 125    
SN74ACT244-EP Order now ACT     4.5     5.5     8     5     90     0.04     9     24     -24     No     HiRel Enhanced Product     -40 to 85
-55 to 125    
SN74ACT244-Q1 Order now ACT     4.5     5.5     8     5     90     0.04     9     24     -24     No     Automotive     -40 to 85