MC10H165 View Datasheet(PDF) - ON Semiconductor
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MC10H165 Datasheet PDF : 8 Pages
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MC10H165
8−INPUT PRIORITY ENCODER
The MC10H165 is a device designed to encode eight
inputs to a binary coded output. The output code is that of the
highest order input. Any input of lower priority is ignored.
Each output incorporates a latch allowing synchronous
operation. When the clock is low the outputs follow the
inputs and latch when the clock goes high. This device is
very useful for a variety of applications in checking system
status in control processors, peripheral controllers, and
testing systems.
The input is active when high, (e.g., the three binary
outputs are low when input D0 is high). The Q3 output is
high when any input is high. This allows direct extension
into another priority encoder when more than eight inputs
are necessary. The MC10H165 can also be used to develop
binary codes from random logic inputs, for addressing
ROMs, RAMs, or for multiplexing data.
LOGIC DIAGRAM
C4
. VCC1 = PIN 1
. VCC2 = PIN 16
D0 5
. VEE = PIN 8
D1 7
D2 13
D3 10
D4 11
D5 12
D6 9
D7 6
3 Q0
2 Q1
15 Q2
14 Q3
Numbers at ends of terminals denote pin numbers for L and P packages.
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