參數(shù)資料
型號(hào): MC74AC257DT
廠商: ON SEMICONDUCTOR
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: AC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16
封裝: PLASTIC, TSSOP-16
文件頁數(shù): 8/12頁
文件大?。?/td> 191K
代理商: MC74AC257DT
MC74AC257, MC74ACT257
http://onsemi.com
8
AC CHARACTERISTICS
(For Figures and Waveforms
See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
Symbol
Parameter
V
CC
*
(V)
74ACT
74ACT
Unit
Fig.
No.
T
A
= +25
°
C
C
L
= 50 pF
T
A
=
40
°
C
to +85
°
C
C
L
= 50 pF
Min
Typ
Max
Min
Max
t
PLH
Propagation Delay
I
n
to Z
n
Propagation Delay
I
n
to Z
n
Propagation Delay
S to Z
n
Propagation Delay
S to Z
n
Output Enable Time
5.0
1.5
5.0
7.0
1.0
7.5
ns
3
6
t
PHL
5.0
2.0
6.0
7.5
1.5
8.5
ns
3
6
t
PLH
5.0
2.0
7.0
9.5
1.5
10.5
ns
3
6
t
PHL
5.0
2.5
7.0
10.5
2.0
11.5
ns
3
6
t
PZH
5.0
2.0
6.0
8.0
1.5
9.0
ns
3
7
t
PZL
Output Enable Time
5.0
2.0
6.0
8.0
1.5
9.0
ns
3
8
t
PHZ
Output Disable Time
5.0
2.5
6.5
9.0
1.5
10.0
ns
3
7
t
PLZ
Output Disable Time
5.0
2.0
6.0
7.5
1.5
8.5
ns
3
8
*Voltage Range 5.0 V is 5.0 V
±
0.5 V.
CAPACITANCE
Symbol
Parameter
Value
Typ
Unit
Test Conditions
C
IN
Input Capacitance
4.5
pF
V
CC
= 5.0 V
C
PD
Power Dissipation Capacitance
50
pF
V
CC
= 5.0 V
MARKING DIAGRAMS
A
WL, L
YY, Y
WW, W = Work Week
= Assembly Location
= Wafer Lot
= Year
AC257
AWLYWW
MC74AC257N
AWLYYWW
AC
257
ALYW
ACT257
AWLYWW
ACT
257
ALYW
MC74ACT257N
AWLYYWW
DIP
16
SO
16
TSSOP
16
EIAJ
16
74AC257
ALYW
74ACT257
ALYW
相關(guān)PDF資料
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MC74ACT257DTR2 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
MC74AC257DTR2 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Quad 2−Input Multiplexer with 3−State Outputs
MC74AC257MEL 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V Quad 2-Input 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
MC74AC257MELG 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V Quad 2-Input Mux w/3-State Out 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
MC74AC257N 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V Quad 2-Input 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
MC74AC257NG 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6V Quad 2-Input Mux w/3-State Out 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