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參數(shù)資料
| 型號(hào)： | HD74LVC2244A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal Buffers / Line Drivers with 3-state Outputs |
| 中文描述： | 八路緩沖器/線路驅(qū)動(dòng)器，三態(tài)輸出 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 70K |
| 代理商： | HD74LVC2244A |
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HD74LVC2244A
Octal Buffers / Line Drivers with 3–state Outputs
ADE-205-234 (Z)
Preliminary
1st. Edition
December 1998
Description
The HD74LVC2244A has eight line drivers with three state outputs in a 20 pin package. This device is a
noninverting buffer and has two active low enables (1
G
and 2
G
). Each enable independently controls four
buffers.
All outputs, which are designed to sink up to 12 mA, include equivalent 26
resistors to reduce overshoot
and undreshoot.
When V
CC
is between 0 and 1.5 V, the device is in the high impedance state during power up or power
down.
Low voltage and high speed operation is suitable at battery drive product (note type personal computer) and
low power consumption extends the life of a battery for long time operation.
Features
V
CC
= 1.65 to 5.5 V
All inputs V
IH
(Max) = 5.5 V (@V
CC
= 0 to 5.5 V)
All outputs V
O
(Max) = 5.5 V (@V
CC
= 0 V or output off state)
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 to 5.5 V)
All outputs have equivalent 26
series resistors, so no external resistors are required
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