74AHC373 product image


Octal Transparent d-Type Latches With 3-State Outputs
Texas Instruments


The  ’AHC373  devices are octal transparent D-type latches designed for 2-V to 5.5-V VCCoperation.

When the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is low, the Q outputs are latched at the logic levels of the D inputs.

A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or low) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components. 


74AHC373 Features


•  Operating Range 2-V to 5.5-V VCC

•  Latch-Up Performance Exceeds 250 mA Per JESD 17
•  ESD Protection Exceeds JESD 22
  – 2000-V Human-Body Model (A114-A)
  – 200-V Machine Model (A115-A)
  – 1000-V Charged-Device Model (C101)
Voltage - Supply2 V ~ 5.5 V
Current - Output High, Low8mA, 8mA
Operating Temperature-40°C ~ 85°C
74AHC373 Replacement Parts
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