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參數(shù)資料
| 型號： | HD74ALVCH16500 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 18-bit Universal Bus Transceivers with 3-state Outputs(三態(tài)輸出的18位通用總線收發(fā)器) |
| 中文描述： | 18位通用總線收發(fā)器具有三態(tài)輸出（三態(tài)輸出的18位通用總線收發(fā)器） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 55K |
| 代理商： | HD74ALVCH16500 |
HD74ALVCH16500
18-bit Universal Bus Transceivers with 3-state Outputs
ADE-205-167A (Z)
2nd. Edition
December 1999
Description
Data flow in each direction is controlled by output enable (OEAB and
OEBA
), latch enable (LEAB and
LEBA), and clock (
CLKAB
and
CLKBA
) inputs. For A to B data flow, the device operates in the
transparent mode when LEAB is high. When LEAB is low, the A data is latched if
CLKAB
is held at a
high or low logic level. If LEAB is low, the A bus data is stored in the latch flip flop on the high to low
transition of
CLKAB
. Output enable OEAB is active high. When OEAB is high, the B port outputs are
active. When OEAB is low, the B port outputs are in the high impedance state. Data flow for B to A is
similar to that of A to B but uses
OEBA
, LEBA, and
CLKBA
. The output enables are complementary
(OEAB is active high, and
OEBA
is active low). Active bus hold circuitry is provided to hold unused or
floating data inputs at a valid logic level.
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
±
24 mA (@V
CC
= 3.0 V)
Bus hold on data inputs eliminates the need for external pullup / pulldown resistors
相關PDF資料 |
PDF描述 |
|---|---|
| HD74ALVCH16501 | 18-bit Universal Bus Transceivers with 3-state Outputs(三態(tài)輸出的18位通用總線收發(fā)器) |
| HD74ALVCH16543 | 16-bit Registered Transceivers with 3-state Outputs(三態(tài)輸出的16位寄存收發(fā)器) |
| HD74ALVCH16721 | 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) |
| HD74ALVCH16820 | 3.3-V 10-bit Flip Flops with Dual Outputs(雙輸出的3.3V10位D觸發(fā)器) |
| HD74ALVCH16821 | 3.3-V 20-bit Bus Interface Flip Flops with 3-state Outputs(三態(tài)輸出的3.3V20位總線接口D觸發(fā)器) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HD74ALVCH16501 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:18-bit Universal Bus Transceivers with 3-state Outputs |
| HD74ALVCH16543 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:16-bit Registered Transceivers with 3-state Outputs |
| HD74ALVCH16721 | 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 |
| HD74ALVCH16820 | 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 |
| HD74ALVCH16821 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:3.3-V 20-bit Bus Interface Flip Flops with 3-state Outputs |
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