Octal Buffers And Line Drivers With 3-State Outputs - SN74HC244

SN74HC244 (ACTIVE)

Octal Buffers And Line Drivers With 3-State Outputs

 

Description

The SNx4HC244 octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The SNx4HC244 devices are organized as two 4-bit buffers and drivers with separate output-enable (OE) inputs. When OE is low, the device passes noninverted data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.

Features

  • Wide Operating Voltage Range of 2 V to 6 V
  • High-Current Outputs Drive Up to 15 LSTTL
    Loads
  • 3-State Outputs Drive Bus Lines or Buffer Memory
    Address Registers
  • Low Power Consumption: ICC, 80-µA (Maximum)
  • Typical tpd = 11 ns
  • ±6-mA Output Drive at 5 V
  • Low Input Current of 1 µA (Maximum)
  • 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.

View more

Parametrics Compare all products in Non-Inverting Buffer/Driver

 
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)
Output Drive (IOL/IOH) (Max) (mA)
Schmitt Trigger
Rating
Operating Temperature Range (C)
Pin/Package
SN74HC244 SN54HC244 SN74HC244-EP SN74HC244-Q1
HC    HC    HC    HC   
2    2    2    2   
6    6    6    6   
8    8    8    8   
6    6    6    6   
28    28    28    28   
0.08    0.08    0.08    0.08   
29    29    34    34   
-7.8/7.8    -7.8/7.8    -7.8/7.8    -7.8/7.8   
No    No    No    No   
Catalog    Military    HiRel Enhanced Product    Automotive   
-40 to 85    -55 to 125    -40 to 125
-55 to 125   
-40 to 125   
20PDIP
20SO
20SOIC
20SSOP
20TSSOP   
20CDIP
20CFP
20LCCC   
20SOIC
20TSSOP   
20SOIC
20TSSOP   

Other qualified versions of SN74HC244

Version Part Number Definition
Military SN54HC244 QML certified for Military and Defense Applications
Enhanced Product SN74HC244-EP Supports Defense, Aerospace and Medical Applications
Automotive SN74HC244-Q1 Q100 devices qualified for high-reliability automotive applications targeting zero defects

Featured tools and software