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參數資料
| 型號： | 74F251ASJX |
| 英文描述： | 8-Input Digital Multiplexer |
| 中文描述： | 8聲道，數字復接器 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 76K |
| 代理商： | 74F251ASJX |
2000 Fairchild Semiconductor Corporation
DS009507
www.fairchildsemi.com
April 1988
Revised September 2000
7
74F257A
Quad 2-Input Multiplexer with 3-STATE Outputs
General Description
The 74F257A is a quad 2-input multiplexer with 3-STATE
outputs. Four bits of data from two sources can be selected
using a Common Data Select input. The four outputs
present the selected data in true (non-inverted) form. The
outputs may be switched to a high impedance state with a
HIGH on the common Output Enable (OE) input, allowing
the outputs to interface directly with bus-oriented systems.
Features
I
Multiplexer expansion by tying outputs together
I
Non-inverting 3-STATE outputs
I
Input clamp diodes limit high-speed termination effects
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
IEEE/IEC
Connection Diagram
Order Number
74F257ASC
74F257ASJ
74F257APC
Package Number
M16A
M16D
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
相關PDF資料 |
PDF描述 |
|---|---|
| 74F257A | Quad 2-line to 1-line selector/multiplexer, non-inverting 3-State |
| 74F257A | Quad 2-Input Multiplexer with 3-STATE Outputs |
| 74F257APC | Quad 2-Input Multiplexer with 3-STATE Outputs |
| 74F257ASJ | Quad 2-Input Multiplexer with 3-STATE Outputs |
| 74F258A | Quad 2-line to 1-line selector/multiplexer, inverting 3-State |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 74F251PC | 制造商:Freescale Semiconductor 功能描述: |
| 74F253 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 4-Input Multiplexer with TRI-STATE Outputs |
| 74F253_00 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Dual 4-Input Multiplexer with 3-STATE Outputs |
| 74F253_UKG3026T WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| 74F253_UKH3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
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