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參數(shù)資料
| 型號： | HD74ALVCH162543 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 16-bit Registered Transceivers with 3-state Outputs(三態(tài)輸出的16位寄存收發(fā)器) |
| 中文描述： | 16位注冊收發(fā)器與三態(tài)輸出（三態(tài)輸出的16位寄存收發(fā)器） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 58K |
| 代理商： | HD74ALVCH162543 |
HD74ALVCH162543
16-bit Registered Transceivers with 3-state Outputs
ADE-205-183 (Z)
Preliminary
1st. Edition
December 1996
Description
The HD74ALVCH162543 can be used as two 8-bit transceivers or one 16-bit transceiver. Separate
latch enable (
LEAB
or
LEBA
) and output enable (
OEAB
or
OEBA
) inputs are provided for each
register to permit independent control in either direction of data flow. The A to B enable (
CEAB
)
input must be low in order to enter data from A or to output data from B. If
CEAB
is low and
LEAB
is
low, the A to B latches are transparent; a subsequent low to high transition of
LEAB
puts the A latches
in the storage mode. With
CEAB
and
OEAB
both low, the 3-state B outputs are active and reflect the
data present at the output of the A latches. Data flow from B to A is similar but requires using
CEBA
,
LEBA
, and
OEBA
. Active bus hold circuitry is provided to hold unused or floating data inputs at a
valid logic level. All outputs, which are designed to sink up to 12 mA, include 26
resistors to reduce
overshoot and undershoot.
Features
V
CC
= 2.3 V to 3.6 V
Typical V
OL
ground bounce < 0.8 V (@V
CC
= 3.3 V, Ta = 25°C)
Typical V
OH
undershoot > 2.0 V (@V
CC
= 3.3 V, Ta = 25°C)
High output current ±12 mA (@V
CC
= 3.0 V)
Bus hold on data inputs eliminates the need for external pullup / pulldown resistors
All outputs have equivalent 26
series resistors, so no external resistors are required.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD74ALVCH16260 | 12-bit to 24-bit Multiplexed D-type Latches with 3-state Outputs(三態(tài)輸出的12位至24位多重D鎖存器) |
| HD74ALVCH16269 | 12-bit to 24-bit Registered Bus Transceivers with 3-state Outputs(三態(tài)輸出的12位至24位寄存總線收發(fā)器) |
| HD74ALVCH16270 | 12-bit to 24-bit Registered Bus Exchanger with 3-state Outputs(三態(tài)輸出的12位至24位寄存總線交換器) |
| HD74ALVCH162721 | 3.3-V 20-bit Flip Flops with 3-state Outputs(三態(tài)輸出的3.3V20位D觸發(fā)器) |
| HD74ALVCH162820 | 3.3-V 10-bit Flip Flops with Dual Outputs and 3-state Outputs(帶雙輸出和三態(tài)輸出的3.3V10位D觸發(fā)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74ALVCH16260 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:12-bit to 24-bit Multiplexed D-type Latches with 3-state Outputs |
| HD74ALVCH16269 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:12-bit to 24-bit Registered Bus Transceivers with 3-state Outputs |
| HD74ALVCH16270 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:12-bit to 24-bit Registered Bus Exchanger with 3-state Outputs |
| HD74ALVCH162721 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:3.3-V 20-bit Flip Flops with 3-state Outputs |
| HD74ALVCH162820 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:3.3-V 10-bit Flip Flops with Dual Outputs and 3-state Outputs |
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