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Partno Mfg Dc Qty AvailableDescript
SN74ACT373TIN/a90avaiOctal D-Type Transparent Latches With 3-State Outputs
SN74ACT373DBLETIN/a1560avaiOctal D-Type Transparent Latches With 3-State Outputs
SN74ACT373DBRTIN/a2avaiOctal D-Type Transparent Latches With 3-State Outputs
SN74ACT373DWTIN/a422avaiOctal D-Type Transparent Latches With 3-State Outputs
SN74ACT373DWRTIN/a405avaiOctal D-Type Transparent Latches With 3-State Outputs
SN74ACT373PWTIN/a230avaiOctal D-Type Transparent Latches With 3-State Outputs
SN74ACT373PWRTIN/a560avaiOctal D-Type Transparent Latches With 3-State Outputs


SN74ACT373DBLE ,Octal D-Type Transparent Latches With 3-State Outputs SN54ACT373, SN74ACT373 OCTAL D-TYPE TRANSPARENT LATCHESWITH 3-STATE OUTPUTSSCAS544E – OCTOBER 1995 ..
SN74ACT373DBR ,Octal D-Type Transparent Latches With 3-State Outputsmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN74ACT373DW ,Octal D-Type Transparent Latches With 3-State Outputs/sc/package.Please be aware that an important notice concerning availability, standard warranty, an ..
SN74ACT373DWR ,Octal D-Type Transparent Latches With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74ACT373PW ,Octal D-Type Transparent Latches With 3-State Outputs SN54ACT373, SN74ACT373 OCTAL D-TYPE TRANSPARENT LATCHESWITH 3-STATE OUTPUTSSCAS544E – OCTOBER 1995 ..
SN74ACT373PWR ,Octal D-Type Transparent Latches With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74LS257N ,QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTSSN54/74LS257BSN54/74LS258BQUAD 2-INPUT MULTIPLEXERWITH 3-STATE OUTPUTSThe LSTTL/MSI SN54/74LS257B a ..
SN74LS258B ,Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
SN74LS258BD ,Quad 2-input multiplexer with 3-state outputsLOGIC DIAGRAMSSN54/74LS257B* * * * * * * * * ** ** ** ** ** ** ** ** * * ** ** ** * * ** * ** SN5 ..
SN74LS258BN ,Quad 2-input multiplexer with 3-state outputsSN54/74LS257BSN54/74LS258BQUAD 2-INPUT MULTIPLEXERWITH 3-STATE OUTPUTSThe LSTTL/MSI SN54/74LS257B a ..
SN74LS259 ,8-Bit Adder Latchcommon Clear for resetting all latches, as well as, an active LOWEnable.LOW• Serial-to-Parallel Con ..
SN74LS259 ,8-Bit Adder LatchFUNCTIONAL DESCRIPTIONThe SN74LS259 has four modes of operation as shown in other inputs in the LOW ..


SN74ACT373-SN74ACT373DBLE-SN74ACT373DBR-SN74ACT373DW-SN74ACT373DWR-SN74ACT373PW-SN74ACT373PWR
Octal D-Type Transparent Latches With 3-State Outputs
description/ordering information
These 8-bit latches feature 3-state outputs
designed specifically for driving highly capacitive
or relatively low-impedance loads. The devices
are particularly suitable for implementing buffer
registers, I/O ports, bidirectional bus drivers, and
working registers.
The eight latches are D-type transparent latches.
When the latch-enable (LE) input is high, the Q
outputs follow the data (D) inputs. When LE is
taken low, the Q outputs are latched at the logic
levels set up at 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 logic levels) 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 in bus-organized systems without need for
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.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION

†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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