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參數(shù)資料
| 型號： | HD74AC158 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Quad 2-Input Multiplexer(四2輸入多路復(fù)用器) |
| 中文描述： | 四2輸入復(fù)用器（四2輸入多路復(fù)用器） |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 55K |
| 代理商： | HD74AC158 |
HD74AC158
2
Logic Symbol
S
E
I
0a
Z
a
Z
b
Z
c
Z
d
I
1a
I
0b
I
0c
I
1c
I
od
I
1d
I
1b
Pin Names
I
0a
to I
0d
I
1a
to I
1d
E
S
Z
a
to
Z
d
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input
Select Input
Outputs
Functional Description
The HD74AC158 quad 2-input multiplexer selects four bits of data from two sources under the control of a
common Select input (S) and presents the data in inverted form at the four outputs. The Enable Input (
E
) is
active-LOW. When
E
is HIGH, all of the outputs (
Z
) are forced HIGH regardless of all other inputs. The
HD74AC158 is the logic implementation of a 4-pole, 2-position switch where the position of the switch is
determined by the logic levels supplied to the Select input.
A common use of the HD74AC158 is the moving of data from two groups of registers to four common
output busses. The particular register from which the data comes is determined by the state of the Select
input. A less obvious use is as a function generator. The HD74AC158 can generate four functions of two
variables with one variable common. This is useful for implementing gating functions.
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| HD74ACT164 | Serial-In, Parallel-Out Shift Register(串入并出移位寄存器) |
| HD74AC165 | Parallel-Load 8-bit Shift Register(并入8位移位寄存器) |
| HD74ACT165 | Parallel-Load 8-bit Shift Register(并入8位移位寄存器) |
| HD74AC166 | 8-bit Shift Register(8位移位寄存器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74AC158FP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| HD74AC158P | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LOGIC MUX|QUAD|2-INPUT|AC-CMOS|DIP|16PIN|PLASTIC |
| HD74AC158RP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LOGIC MUX|QUAD|2-INPUT|AC-CMOS|SOP|16PIN|PLASTIC |
| HD74AC158T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LOGIC MUX|QUAD|2-INPUT|AC-CMOS|TSSOP|16PIN|PLASTIC |
| HD74AC161/HD74ACT163 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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