參數(shù)資料
型號: 74F258ASJX
英文描述: 2-Input Digital Multiplexer
中文描述: 2,輸入數(shù)字復(fù)接器
文件頁數(shù): 1/7頁
文件大?。?/td> 76K
代理商: 74F258ASJX
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
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