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74ACT251SCX 数据表(PDF) 1 Page - Fairchild Semiconductor

部件名 74ACT251SCX
功能描述  8-Input Multiplexer with 3-STATE Output
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

74ACT251SCX 数据表(HTML) 1 Page - Fairchild Semiconductor

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© 1999 Fairchild Semiconductor Corporation
DS009945
www.fairchildsemi.com
November 1988
Revised November 1999
74AC251 • 74ACT251
8-Input Multiplexer with 3-STATE Output
General Description
The AC/ACT251 is a high-speed 8-input digital multiplexer.
It provides, in one package, the ability to select one bit of
data from up to eight sources. It can be used as universal
function generator to generate any logic function of four
variables. Both true and complementary outputs are pro-
vided.
Features
s ICC reduced by 50%
s Multifunctional capability
s On-chip select logic decoding
s Inverting and noninverting 3-STATE outputs
s Outputs source/sink 24 mA
s ACT251 has TTL-compatible inputs
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbols
IEEE/IEC
Connection Diagram
Pin Descriptions
FACT
 is a trademark of Fairchild Semiconductor Corporation.
Order Number
Package Number
Package Description
74AC251SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body
74AC251SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74AC251MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74AC251PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
74ACT251SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body
74ACT251MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74ACT251PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Pin Names
Description
S0–S2
Select Inputs
OE
3-STATE Output Enable Input
I0–I7
Multiplexer Inputs
Z
3-STATE Multiplexer Output
Z
Complementary 3-STATE Multiplexer Output


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