參數(shù)資料
型號: 74F257APC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Quad 2-Input Multiplexer with 3-STATE Outputs
中文描述: F/FAST SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16
封裝: 0.300 INCH, PLASTIC, MS-001, DIP-16
文件頁數(shù): 3/10頁
文件大?。?/td> 79K
代理商: 74F257APC
Philips Semiconductors
Product specification
74F257A
Quad 2-line to 1-line selector/multiplexer, non-inverting
(3-State)
1995 Mar 31
3
LOGIC DIAGRAM
I0a
I1a
I0b
I1b
I0c
I1c
I0d
I1d
OE
S
2
3
5
6
11
10
14
13
15
1
4
7
9
12
Ya
Yb
Yc
Yd
V
= Pin 16
GND = Pin 8
SF00676
FUNCTION TABLE
INPUTS
OUTPUT
OE
S
I0
I1
Y
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
H
L
X
Z
High voltage level
Low voltage level
Don’t care
High impedance “off” state
APPLICATION
SF00677
I0a I1a I0b I1b I0c I1c I0d I1d
Ya
Yb
Yc
Yd
I0a I1a I0b I1b I0c I1c I0d I1d
Ya
Yb
Yc
Yd
I0a I1a I0b I1b I0c I1c I0d I1d
Ya
Yb
Yc
Yd
I0a I1a I0b I1b I0c I1c I0d I1d
Ya
Yb
Yc
Yd
74F257A
74F257A
74F257A
74F257A
4-BIT
DATA
BUS
OE
S
OE
S
OE
S
OE
S
WORD A
WORD B
WORD C
WORD D
WORD E
WORD F
WORD G
WORD H
Y0
Y1
Y2
Y3
74F139
C
B
A
S2
S1
S0
ENABLE
相關(guān)PDF資料
PDF描述
74F257ASJ Quad 2-Input Multiplexer with 3-STATE Outputs
74F258A Quad 2-line to 1-line selector/multiplexer, inverting 3-State
74F258A Quad 2-Input Multiplexer with 3-STATE Outputs
74F258APC Quad 2-Input Multiplexer with 3-STATE Outputs
74F258ASC Quad 2-Input Multiplexer with 3-STATE Outputs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74F257APC_Q 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2-Inp Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74F257ASC 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2-Inp Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74F257ASC_Q 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Qd 2-Inp Multiplexer RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74F257ASCSCX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad 2-Input Multiplexer with TRI-STATE Outputs
74F257ASCSJX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad 2-Input Multiplexer with TRI-STATE Outputs