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MC10165

Motorola
Part Number MC10165
Manufacturer Motorola
Description 8-Input Priority Encoder
Published Apr 26, 2005
Detailed Description MOTOROLA SEMICONDUCTOR TECHNICAL DATA 8-Input Priority Encoder The MC10165 is a device designed to encode eight inputs...
Datasheet PDF File MC10165 PDF File

MC10165
MC10165

Overview
MOTOROLA SEMICONDUCTOR TECHNICAL DATA 8-Input Priority Encoder The MC10165 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 MC10165 can also be used to develop binary codes from random logic inputs, for addressing ROMs, RAMs, or for multiplexing data.
MC10165 L SUFFIX CERAMIC PACKAGE CASE 620–10 P SUFFIX PLASTIC PACKAGE CASE 648–08 PD = 545 mW typ/pkg (No Load) tpd = 4.
5 ns typ (Data to Output) tr, tf = 2.
0 ns typ (20%–80%) PIN ASSIGNMENT VCC1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC2 Q2 Q3 D2 D5 D4 D3 D6 TRUTH TABLE DATA INPUTS D0 H L L L L L L L L D1 X H L L L L L L L D2 X X H L L L L L L D3 X X X H L L L L L D4 X X X X H L L L L D5 X X X X X H L L L D6 X X X X X X H L L D7 X X X X X X X H L Q3 H H H H H H H H L OUTPUTS Q2 L L L L H H H H L Q1 L L H H L L H H L Q0 L H L H L H L H L Q1 Q0 CLOCK D0 D7 D1 VEE 9/96 © Motorola, Inc.
1996 3–87 REV 6 MC10165 LOGIC DIAGRAM C4 VCC1 = PIN 1 VCC2 = PIN 16 VEE = PIN 8 D0 5 D1 7 3 Q0 D2 13 D3 10 D4 11 2 Q1 D5 12 15 Q2 D6 9 D7 6 14 Q3 MOTOROLA 3–88 MECL Data DL122 — Rev 6 MC10165 ELECTRICAL CHARACTERISTICS Test Limits Pin Pi Under Test 8 4 5 4 5 2 3 14 15 2 3 14 15 2 3 14 15 2 3 14 15 0.
5 0.
5 –1.
060 –1.
060 –1.
060 –1.
060 –1.
890 –1.
890 –1.
890 –1.
890 –1.
080 –1.
080 –1.
080 –1.
080 –1.
655 –1.
655 –1.
655 –1.
655 –0.
890 –0.
890 –0.
890 –0.
890 –1.
675 –1.
675 –1.
6...


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