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SN74AUC32374GKER Folha de dados(PDF) 1 Page - Texas Instruments

Nome de Peças SN74AUC32374GKER
Descrição Electrónicos  32-BIT EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

SN74AUC32374GKER Folha de dados(HTML) 1 Page - Texas Instruments

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FEATURES
DESCRIPTION/ORDERING INFORMATION
SN74AUC32374
32-BIT EDGE-TRIGGERED D-TYPE FLIP-FLOP
WITH 3-STATE OUTPUTS
SCES475 – AUGUST 2003 – REVISED MAY 2005
Max tpd of 2.8 ns at 1.8 V
Member of the Texas Instruments Widebus+™
Low Power Consumption, 40-
µA Max I
CC
Family
±8-mA Output Drive at 1.8 V
Optimized for 1.8-V Operation and Is 3.6-V I/O
Latch-Up Performance Exceeds 100 mA Per
Tolerant to Support Mixed-Mode Signal
JESD 78, Class II
Operation
ESD Protection Exceeds JESD 22
Ioff Supports Partial-Power-Down Mode
– 2000-V Human-Body Model (A114-A)
Operation
– 200-V Machine Model (A115-A)
Sub-1-V Operable
– 1000-V Charged-Device Model (C101)
This 32-bit edge-triggered D-type flip-flop is operational at 0.8-V to 2.7-V VCC, but is designed specifically for
1.65-V to 1.95-V VCC operation.
The SN74AUC32374 is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers,
and working registers. It can be used as four 8-bit flip-flops, two 16-bit flip-flops, or one 32-bit flip-flop. On the
positive transition of the clock (CLK) input, the Q outputs of the flip-flop take on 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 increased drive provide the capability to drive bus lines
without interface or pullup components.
OE does not affect internal operations of the latch. 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.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
–40°C to 85°C
LFBGA – GKE
Tape and reel
SN74AUC32374GKER
MM374
(1)
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.
Widebus+ is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2003–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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