SCLS242F - OCTOBER 1995 - REVISED MAY 1997
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of TexasInstruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC is a trademark of Texas Instruments Incorporated.
The 'AHC573 are octal transparent D-type latches.
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 a 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.
OE\ does not affect the internal operations of the latches. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.
The SN54AHC573 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74AHC573 is characterized for operation from -40°C to 85°C.
View more information about generic part numbers:SN54AHC573, SN74AHC573
Go to the Engineering Design Center to locate information on other TI Semiconductor devices.