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DM74157英文资料 TTL同相输出四2选1数据选择器英
消耗积分:3 |
格式:rar |
大小:36 |
2010-01-08
duke刘
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These data selectors/multiplexers contain inverters and
drivers to supply full on-chip data selection to the four output
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.
Applications
• Expand any data input point
• Multiplex dual data buses
• Generate four functions of two variables (one variable is
common)
• Source programmable counters
Features
n Buffered inputs and outputs
n Typical propagation time 9 ns
n Typical power dissipation 150 mW
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