參數(shù)資料
型號(hào): SNJ54LVTH125W
廠商: Texas Instruments, Inc.
英文描述: 3.3-V ABT QUADRUPLE BUS BUFFERS WITH 3-STATE OUTPUTS
中文描述: 的3.3V ABT生根粉翻兩番總線緩沖器,具有三態(tài)輸出
文件頁(yè)數(shù): 2/15頁(yè)
文件大小: 413K
代理商: SNJ54LVTH125W
SCBS703I AUGUST 1997 REVISED OCTOBER 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
When V
CC
is between 0 and 1.5 V, the devices are in the high-impedance state during power up or power down.
However, to ensure the high-impedance state above 1.5 V, OE should be tied to V
CC
through a pullup resistor;
the minimum value of the resistor is determined by the current-sinking capability of the driver.
These devices are fully specified for hot-insertion applications using I
off
and power-up 3-state. The I
off
circuitry
disables the outputs, preventing damaging current backflow through the devices when they are powered down.
The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
FUNCTION TABLE
(each buffer)
INPUTS
OE
OUTPUT
Y
A
L
H
H
L
L
L
H
X
Z
logic diagram (positive logic)
1
1OE
2
1A
1Y
3
4
2OE
5
2A
2Y
6
10
3OE
9
3A
3Y
8
13
4OE
12
4A
4Y
11
Pin numbers shown are for the D, DB, DGV, J, NS, PW, RGY, and W packages.
相關(guān)PDF資料
PDF描述
SN54LVTH125 Quad Analog Switch/Multiplexer/Demultiplexer; Package: PDIP-14; No of Pins: 14; Container: Rail; Qty per Container: 500
SN54LVTH125J Quad Analog Switch/Multiplexer/Demultiplexer with Separate Analog and Digital Power Supplies; Package: SOIC 16 LEAD; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2500
SN74LVTH16244 3.3-V ABT 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN74LVTH16244B Ceramic Chip Capacitors / MIL-PRF-55681; Capacitance [nom]: 180pF; Working Voltage (Vdc)[max]: 100V; Capacitance Tolerance: +/-10%; Dielectric: Multilayer Ceramic; Temperature Coefficient: C0G (NP0); Lead Style: Surface Mount Chip; Lead Dimensions: 1206; Termination: Sn60 Coated; Body Dimensions: 0.125" x 0.062" x 0.051"; Container: Bag; Features: MIL-PRF-55681: S Failure Rate
SN74LVTH16244BDGG 3.3-V ABT 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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