Document
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 –1.675 –1.675 –30°C Min Max 144 390 350 0.5 0.5 –0.960 –0.960 –0.960 –0.960 –1.850 –1.850 –1.850 –1.850 –0.980 –0.980 –0.980 –0.980 –1.630 –1.630 –1.630 –1.630 –0.810 –0.810 –0.810 –0.810 –1.650 –1.650 –1.650 –1.650 Min +25°C Typ 105 Max 131 245 220 0.3 0.3 –0.890 –0.890 –0.890 –0.890 –1.825 –1.825 –1.825 –1.825 –0.910 –0.910 –0.910 –0.910 –1.595 –1.595 –1.595 –1.595 –0.700 –0.700 –0.700 –0.700 –1.615 –1.615 –1.615 –1.615 Min +85°C Max 144 245 220 Unit mAdc µAdc µAdc Vdc
Characteristic Power Supply Drain Current Input Current
Symbol IE IinH IinL
Output Voltage
Logic 1
VOH
Output Voltage
Logic 0
VOL
Vdc
Threshold Voltage
Logic 1
VOHA
Vdc
Threshold Voltage
Logic 0
VOLA
Vdc
Switching Times
(50Ω Load) t5+14+ t5–14– t7+3+ t11+15+ t13+2+ t4–3+ t4–3– t4–14+ t4–14– tsetupH tsetupL tholdH tholdL (20 to 80%) t3+ 14 14 3 15 2 3 (2.) 3 (3.) 14 (2.) 14 (3.) 3 3 3 3 3 2.0 2.0 2.0 2.0 2.0 1.5 1.5 1.5 1.5 6.0 6.0 1.0 1.0 1.1 3.5 7.0 7.0 7.0 7.0 7.0 4.5 4.5 4.5 4.5 3.0 3.0 3.0 3.0 3.0 2.0 2.0 2.0 2.0 6.0 6.0 1.0 1.0 1.1 3.4 3.0 –2.3 –2.7 2.0 3.3 7.0 7.0 7.0 7.0 7.0 4.0 4.0 4.0 4.0 2.0 2.0 2.0 2.0 2.0 1.5 1.5 1.5 1.5 6.0 6.0 1.0 1.0 1.1 3.5 8.0 8.0 8.0 8.0 8.0 4.5 4.5 4.5 4.5
ns
Propagation Delay Data Input
Clock Input
Setup Time Hold Time Rise Time
Fall Time (20 to 80%) t3– 3 1.1 3.5 1.1 2.0 3.3 1.1 3.5 1. The same limit applies for all D type input pins. To test input currents for other D inputs, individually apply proper voltage to pin under test. 2. Output latched to low state prior to test. 3. Output latched to high state prior to test. * To preserve reliable performance, the MC10165P (plastic packaged device only) is to be operated in ambient temperatures above 70°C only when 500 lfpm blown air or equivalent heat sinking is provided.
MECL Data DL122 — Rev 6
3–89
MOTOROLA
MC10165
ELECTRICAL CHARACTERISTICS (continued)
TEST VOLTAGE VALUES (Volts) @ Test Temperature –30°C +25°C +85°C Pin Under Test 8 4 5 4 5 2 3 14 15 2 3 14 15 2 3 14 15 2 3 14 15 +1.11V t5+14+ t5–14– t7+3+ t11+15+ t13+2+ t4–3+ t4–3– t4–14+ t4–14– tsetupH tsetupL tholdH tholdL (20 to 80%) (20 to 80%) t3+ t3– 14 14 3 15 2 3 (2.) 3 (3.) 14 (2.) 14 (3.) 3 3 3 3 3 3 4 4 7 7 6 6 6 6 4 5 (1.) 4 5 (1.) 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 +0.31V 4 4 4 4 4 Pulse In 5 5 7 11 13 4 4 4 4 4,7 4,7 4,7 4,7 7 7 6 6 6 6 6 6 6 6 Pulse Out 14 14 3 15 2 3 3 14 14 3 3 3 3 3 3 VIHmax –0.890 –0.810 –0.700 VILmin –1.890 –1.850 –1.825 VIHAmin –1.205 –1.105 –1.035 VILAmax –1.500 –1.475 –1.440 VEE –5.2 –5.2 –5.2 (VCC) Gnd 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 +2.0 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16 1, 16
TEST VOLTAGE APPLIED TO PINS LISTED BELOW VIHmax VILmin VIHAmin VILAmax VEE 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 –3.2 V 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8
Characteristic Power Supply Drain Current Input Current
Symbol IE IinH IinL
Output Voltage
Logic 1
VOH
Ou.