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參數(shù)資料
| 型號(hào)： | HD74ALVCH162836 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 20-bit Universal Bus Driver with 3-state Outputs(三態(tài)輸出的20位通用總線驅(qū)動(dòng)器) |
| 中文描述： | 20位通用總線驅(qū)動(dòng)器，三態(tài)輸出（三態(tài)輸出的20位通用總線驅(qū)動(dòng)器） |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 57K |
| 代理商： | HD74ALVCH162836 |
HD74ALVCH162836
20-bit Universal Bus Driver with 3-state Outputs
ADE-205-211 (Z)
Preliminary
1st. Edition
January 1998
Description
This 20-bit universal bus driver is designed for 2.3 V to 3.6 V V
CC
operation.
Data flow from A to Y is controlled by the output enable (
OE
) input. The device operates in the
transparent mode when the latch enable (
LE
) input is low. When
LE
is high, the A data is latched if the
clock (CLK) input is held at a high or low logic level. If
LE
is high, the A data is stored in the latch flip
flop on the low to high transition of CLK. When
OE
is high, the outputs are in the high impedance state.
To ensure the high impedance state during power up or power down,
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.
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74ALVCH16334 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:16-bit Universal Bus Driver with 3-state Outputs |
| HD74ALVCH16373 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:16-bit Transparent D-type Latches with 3-state Outputs |
| HD74ALVCH16374 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-bit D-type Flip Flops with 3-state Outputs |
| HD74ALVCH16500 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:18-bit Universal Bus Transceivers with 3-state Outputs |
| 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 |
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