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參數資料
| 型號： | DM74LS157SJX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 2-Input Digital Multiplexer |
| 中文描述： | LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-16 |
| 文件頁數： | 1/7頁 |
| 文件大?。?/td> | 79K |
| 代理商： | DM74LS157SJX |
2000 Fairchild Semiconductor Corporation
DS006396
www.fairchildsemi.com
September 1986
Revised April 2000
D
DM74LS157 DM74LS158
Quad 2-Line to 1-Line Data Selectors/Multiplexers
General Description
These data selectors/multiplexers contain inverters and
drivers to supply full on-chip data selection to the four out-
put gates. A separate strobe input is provided. A 4-bit word
is selected from one of two sources and is routed to the
four outputs. The DM74LS157 presents true data whereas
the DM74LS158 presents inverted data to minimize propa-
gation delay time.
Applications
Expand any data input point
Multiplex dual data buses
Generate four functions of two variables
(one variable is common)
Source programmable counters
Features
I
Buffered inputs and outputs
I
Typical Propagation Time
DM74LS157
DM74LS158
I
Typical Power Dissipation
DM74LS157
DM74LS158
9 ns
7 ns
49 mW
24 mW
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
DM74LS157
DM74LS158
Order Number
DM74LS157M
DM74LS157SJ
DM74LS157N
DM74LS158M
DM74LS158N
Package Number
M16A
M16D
N16E
M16A
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 Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
相關PDF資料 |
PDF描述 |
|---|---|
| DM74LS158MX | 2-Input Digital Multiplexer |
| DM74LS158 | Quad 2-Line to 1-Line Data Selectors/Multiplexers(雙2選1數據選擇器) |
| DM74LS161A | Synchronous 4-Bit Binary Counters |
| DM74LS161AM | Synchronous 4-Bit Binary Counters |
| DM74LS161AMX | Synchronous Up Counter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DM74LS158 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| DM74LS158M | 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2to1 Ln Dt Sl/Mul RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（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 |
| DM74LS158MX | 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2to1 Ln Dt Sl/Mul RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（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 |
| DM74LS158N | 功能描述:編碼器、解碼器、復用器和解復用器 Qd 2to1 Ln Dt Sl/Mul RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（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 |
| DM74LS158N/B+ | 制造商:National Semiconductor 功能描述:74LS158 NSC NXC2A |
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