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Bare Die Data Sheet: 74HC244

The 74HC244 8-bit buffer/line driver with 3-state outputs is produced on a 2.5µm 5V CMOS process. The device features non-inverting outputs & two active-low output enables, suitable for driving clocks, memory addresses & other bus orientated systems.
Direct replacement for legacy Fairchild 74HC244, National 74HC244, Motorola 74HC244 & Texas Instruments SN74HC244, CD74HC244.
Features:
** END OF LIFE ** NOT RECOMMENDED FOR NEW DESIGN
  • Usable as two 4-bit buffers or one 8-bit buffer
  • Speed of LSTTL with CMOS low power consumption
  • Output Drive Capability:  15 LSTTL loads
  • Outputs Directly Interface to CMOS, NMOS, and TTL
  • Operating Voltage Range: 2.0 to 6.0V
  • Low Input Current:  1.0µA
  • High Noise Immunity Characteristic of CMOS Devices
  • For high reliability versions see part 54HC244
Vendor:
Silicon Supplies
  Electrical Datasheet

Die Physical Data:
Footprint: 3.895mm² (6037.269mil²)
X: 2050µm (81mil)
Y: 1900µm (75mil)
  Request Pad Layout

In Stock: Available on request
Product Families: Used for this device are tabulated below.
Functional:
  • I/P Level: CMOS
  • O/P Level: CMOS
  • Bits: 8
  • 3-State O/P: Yes
  • Schmitt Trigger: No
Specification:
VCC (Min): 2.00V
VCC (Max): 6.00V
fMIN @ VNOM: 28MHz
tpd (Max) @ VNOM: 20.0ns
ICC (Max) @ VNOM: 0.0400mA
VNOM (Max): 6.0V
Output Drive (Max): 6.0mA
Other Detail: Important information for this device is tabulated below.
Traffic light setting for Minimum Order Quantity indicates the following:
  • Green:Available from stock or at low factory MOQ.
  • Amber: Available on factory order with MOQ.
  • Red: High factory MOQ may apply, please ask for details.
Traffic light setting for High Reliability indicates the following:
  • Green: This bare die is specified and tested for use in high reliability applications.
  • Amber: This bare die can meet higher reliability specifications with additional testing & qualification, please ask for details.
  • Red: This bare die is not specified or specifically designed for use in high reliability applications.
Traffic light setting for Space Grade indicates the following:
  • Green: This bare die is qualified for space applications or has space level qualification data, please ask for details.
  • Amber: This bare die can be specified for space applications with additional testing and qualification, please ask for details.
  • Red: Suitability of this bare die for space applications is unknown and requires further qualification, please ask for details.