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參數(shù)資料
| 型號： | 74VHC157MTCX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad 2-Input Multiplexer |
| 中文描述： | AHC/VHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | 4.40 MM, MO-153, TSSOP-16 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 70K |
| 代理商： | 74VHC157MTCX |
November 1992
Revised April 1999
7
1999 Fairchild Semiconductor Corporation
DS011536.prf
www.fairchildsemi.com
74VHC157
Quad 2-Input Multiplexer
General Description
The VHC157 is an advanced high speed CMOS Quad 2-
Channel Multiplexer fabricated with silicon gate CMOS
technology. It achieves the high speed operation similar to
equivalent Bipolar Schottky TTL while maintaining the
CMOS low power dissipation.
It consists of four 2-input digital multiplexers with common
select and enable inputs. When the ENABLE input is held
“H” level, selection of data is inhibited and all the outputs
become “L” level. The SELECT decoding determines
whether the I
0x
or I
1x
inputs get routed to their correspond-
ing outputs.
An Input protection circuit ensures that 0V to 7V can be
applied to the input pins without regard to the supply volt-
age. This device can be used to interface 5V to 3V systems
and on two supply systems such as battery back up. This
circuit prevents device destruction due to mismatched sup-
ply and input voltages.
Features
I
High Speed: t
PD
=
4.1 ns (typ) at V
CC
=
5V
I
Low power dissipation: I
CC
=
4
μ
A (max.) at T
A
=
25
°
C
I
High noise immunity: V
NIH
=
V
NIL
=
28% V
CC
(min.)
I
Power down protection is provided on all inputs
I
Low noise: V
OLP
=
0.8V (max.)
I
Pin and function compatible with 74HC157
Ordering Code:
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
IEEE/IEC
Connection Diagram
Pin Descriptions
Order Number
74VHC157M
74VHC157SJ
74VHC157MTC
74VHC157N
Package Number
M16A
M16D
MTC16
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Pin Names
Description
I
0a
–I
0d
I
1a
–I
1d
E
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input
S
Select Input
Z
a
–Z
d
Outputs
相關PDF資料 |
PDF描述 |
|---|---|
| 74VHC157MX | Quad 2-Input Multiplexer |
| 74VHC157NX | Quad 2-Input Multiplexer |
| 74VHC157SJX | Quad 2-Input Multiplexer |
| 74VHC157M | Quadruple 2-Input Positive-NAND Gates 14-TSSOP -40 to 85 |
| 74VHC157N | Quad 2-Input Multiplexer |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 74VHC157MTCX_NL | 功能描述:編碼器、解碼器、復用器和解復用器 FINISHED GOOD 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74VHC157MTR | 功能描述:編碼器、解碼器、復用器和解復用器 Quad 2-Ch Multiplexr 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74VHC157MX | 功能描述:編碼器、解碼器、復用器和解復用器 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| 74VHC157MX | 制造商:Fairchild Semiconductor Corporation 功能描述:IC DECODERS/ENCODERS/MULTIPLEXERS/DEMUL |
| 74VHC157MX_Q | 功能描述:編碼器、解碼器、復用器和解復用器 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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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