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SN74AC374DBRTEXASN/a800avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs
SN74AC374DBRTIN/a16000avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs
SN74AC374DWTIN/a1800avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs
SN74AC374DWRTIN/a219avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs
SN74AC374DWRG4TIN/a83avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SOIC -40 to 85
SN74AC374NSRTEXASN/a16avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs
SN74AC374PWTIN/a178avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs
SN74AC374PWRTIN/a2002avaiOctal D-Type Edge-Triggered Flip-Flops with 3-State Outputs


SN74AC374DBR ,Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputsmaximum ratings” may cause permanent damage to the device. These are stress ratings only, andfuncti ..
SN74AC374DBR ,Octal D-Type Edge-Triggered Flip-Flops with 3-State OutputsSN54AC374, SN74AC374OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPSWITH 3-STATE OUTPUTSSCAS543E − OCTOBER 19 ..
SN74AC374DW ,Octal D-Type Edge-Triggered Flip-Flops with 3-State OutputsSN54AC374, SN74AC374OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPSWITH 3-STATE OUTPUTSSCAS543E − OCTOBER 19 ..
SN74AC374DWR ,Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputslogic diagram (positive logic)1OE11CLKC121Q31D 1DTo Seven Other Channels†absolute
SN74AC374DWRG4 ,Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs 20-SOIC -40 to 85maximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
SN74AC374NSR ,Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs/sc/package.Please be aware that an important notice concerning availability, standard warranty, an ..
SN74LS191N ,PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERSSN54/74LS190SN54/74LS191PRESETTABLE BCD/DECADEUP/DOWN COUNTERSPRESETTABLE 4-BIT BINARYPRESETTABLE B ..
SN74LS191NSR ,Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control
SN74LS192 ,SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR)
SN74LS193D ,PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
SN74LS193J ,Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear
SN74LS193J ,Synchronous 4-Bit Up/Down Binary Counters With Dual Clock and Clear


SN74AC374DBR-SN74AC374DW-SN74AC374DWR-SN74AC374DWRG4-SN74AC374NSR-SN74AC374PW-SN74AC374PWR
Octal D-Type Edge-Triggered Flip-Flops with 3-State Outputs
SN54AC374, SN74AC374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS543E − OCTOBER 1995 - REVISED OCTOBER 2003 2-V to 6-V VCC Operation Inputs Accept Voltages to 6 V Max tpd of 9.5 ns at 5 V 3-State Noninverting Outputs Drive Bus
Lines Directly
Full Parallel Access for Loading
description/ordering information

These 8-bit flip-flops 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 flip-flops of the ’AC374 devices are
D-type edge-triggered flip-flops. On the positive
transition of the clock (CLK) input, the Q outputs
are set to the logic levels set up at the data (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
the increased drive provide the capability to drive
bus lines in bus-organized systems without need
for interface or pullup components.
OE does not affect internal operations of the flip-flop. Old data can be retained or new data can be entered while
the outputs are in the high-impedance state.
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.
GND
VCC
CLK
SN54AC374 ...J OR W PACKAGE
SN74AC374... DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
21 201910111213
SN54AC374...FK PACKAGE
(TOP VIEW)
1QOE
GND
CLK
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