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参数资料
| 型号： | SN54LVTH162245WDR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | LVT SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, CDFP48 |
| 封装： | 0.380 INCH, FINE PITCH, CERAMIC, FP-48 |
| 文件页数： | 2/8页 |
| 文件大小： | 109K |
| 代理商： | SN54LVTH162245WDR |
SN54LVTH162245, SN74LVTH162245
3.3-V ABT 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS260K – JUNE 1993 – REVISED APRIL 1999
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
The A-port outputs, which are designed to source or sink up to 12 mA, include equivalent 22-
series resistors
to reduce overshoot and undershoot.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
When VCC 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 VCC 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 Ioff and power-up 3-state. The Ioff 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 SN54LVTH162245 is characterized for operation over the full military temperature range of –55
°C to 125°C.
The SN74LVTH162245 is characterized for operation from –40
°C to 85°C.
FUNCTION TABLE
(each 8-bit section)
INPUTS
OPERATION
OE
DIR
OPERATION
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
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