參數(shù)資料
型號: SN54LVTH162541WD
廠商: Texas Instruments, Inc.
英文描述: 3.3-V ABT 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
中文描述: 的3.3V ABT生根粉16位緩沖器/ 3司機(jī)態(tài)輸出
文件頁數(shù): 2/7頁
文件大小: 103K
代理商: SN54LVTH162541WD
SN54LVTH162541, SN74LVTH162541
3.3-V ABT 16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS690E – MAY 1997 – REVISED APRIL 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
The outputs, which are designed to source or sink up to 12 mA, include equivalent 22-
series resistors to
reduce overshoot and undershoot.
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.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
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.
The SN54LVTH162541 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C.
The SN74LVTH162541 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each 8-bit section)
INPUTS
OUTPUT
Y
OE1
L
OE2
A
L
L
L
L
L
H
H
H
X
X
Z
X
H
X
Z
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