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MC74F163AD bảng dữ liệu(PDF) 3 Page - Motorola, Inc |
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MC74F163AD bảng dữ liệu(HTML) 3 Page - Motorola, Inc |
3 / 4 page 4-77 FAST AND LS TTL DATA MC74F161A • MC74F163A GUARANTEED OPERATING RANGES Symbol Parameter Min Typ Max Unit VCC Supply Voltage 74 4.5 5.0 5.5 V TA Operating Ambient Temperature Range 74 0 25 70 °C IOH Output Current — High 74 – 1.0 mA IOL Output Current — Low 74 20 mA DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Limits Symbol Parameter Min Typ Max Unit Test Conditions VIH Input HIGH Voltage 2.0 V Guaranteed Input HIGH Voltage for All Inputs VIL Input LOW Voltage 0.8 V Guaranteed Input LOW Voltage for All Inputs VIK Input Clamp Diode Voltage –1.2 V VCC = MIN, IIN = – 18 mA VOH Output HIGH Voltage 74 2.5 3.4 V IOH = –1.0 mA VCC = 4.50 V 74 2.7 3.4 V IOH = –1.0 mA VCC = 4.75 V VOL Output LOW Voltage 0.35 0.5 V IOL = 20 mA VCC = MIN IIH Input HIGH Current 20 µA VCC = MAX, VIN = 2.7 V 0.1 mA VCC = MAX, VIN = 7.0 V IIL Input LOW Current Data, CEP, Clock PE, CET, SR –0.6 –1.2 mA VCC = MAX, VIN = 0.5 V IOS Output Short Circuit Current (Note 2) –60 – 150 mA VCC = MAX, VOUT = 0 V ICC Power Supply Current 37 55 mA VCC = MAX NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable device type. 2. Not more than one output should be shorted at a time, nor for more than 1 second. The Terminal Count (TC) output is HIGH when CET is HIGH and the counter is in state 15. To implement synchronous mul- tistage counters, the TC outputs can be used with the CEP and CET inputs in two different ways. The TC output is subject to decoding spikes due to internal race conditions and is there- fore not recommended for use as a clock or asynchronous reset for flip-flops, counters, or registers. Logic Equations: Count Enable = CEP • CET • PE TC = Q0 • Q1 • Q2 • Q3 • CET |
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