參數(shù)資料
型號(hào): 74LVC257APWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Quad 2-input multiplexer with 5 Volt tolerant inputs/outputs 3-State
中文描述: LVC/LCX/Z SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: PLASTIC, TSSOP-16
文件頁數(shù): 3/10頁
文件大?。?/td> 97K
代理商: 74LVC257APWDH
Philips Semiconductors
Product specification
74LVC257A
Quad 2-input multiplexer with 5 Volt tolerant
inputs/outputs (3-State)
1998 Jul 29
3
PIN DESCRIPTION
PIN
NUMBER
SYMBOL
FUNCTION
1
S
Common data select input
2, 5, 11, 14
1l
0
to 4l
0
1l
1
to 4l
1
1Y to 4Y
Data inputs from source 0
3, 6, 10, 13
Data outputs from source 1
4, 7, 9, 12
3-State multiplexer outputs
8
GND
Ground (0 V)
15
OE
3-State output enable input (active
LOW)
16
V
CC
Positive supply voltage
LOGIC SYMBOL (IEEE/IEC)
SV00638
EN
G1
15
1
7
4
9
12
6
5
3
2
MUX
1
11
10
14
13
1
FUNCTIONAL DIAGRAM
SV00639
OE
S
SELECTOR
3–STATE
MULTIPLEXER
OUTPUTS
1I
0
1Y
2Y
3Y
4Y
1I
1
2I
0
2I
1
3I
0
3I
1
4I
0
4I
1
1
15
7
4
9
12
6
5
2
3
11
10
14
13
FUNCTION TABLE
INPUTS
OUTPUTS
OE
S
nl
0
nl
1
nY
H
X
X
X
Z
L
H
X
L
L
L
H
X
H
H
L
L
L
X
L
L
L
H
X
H
NOTES:
H =
L
=
X =
Z
=
HIGH voltage level
LOW voltage level
don’t care
high impedance OFF-state
LOGIC DIAGRAM
SV00640
OE
1Y
2Y
3Y
4Y
1I
1
1I0
2I
1
2I
0
3I
1
3I
0
4I
1
4I
0
S
相關(guān)PDF資料
PDF描述
74LVC257A Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
74LVC273 Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
74LVC273PWDH Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
74LVC27 Quadruple 2-Input Positive-OR Gates 14-SSOP -40 to 85
74LVC27PWDH Quadruple 2-Input Positive-OR Gates 14-SOIC -40 to 85
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