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CAT28C64BWA-15T Arkusz danych(PDF) 5 Page - ON Semiconductor |
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CAT28C64BWA-15T Arkusz danych(HTML) 5 Page - ON Semiconductor |
5 / 13 page CAT28C64B 5 Doc. No. MD-1011, Rev. I © 2009 SCILLC. All rights reserved. Characteristics subject to change without notice A.C. CHARACTERISTICS, Read Cycle VCC = 5V ±10%, unless otherwise specified. 28C64B-90 28C64B-12 28C64B-15 Symbol Parameter Min. Max. Min. Max. Min. Max. Units tRC Read Cycle Time 90 120 150 ns tCE CE Access Time 90 120 150 ns tAA Address Access Time 90 120 150 ns tOE OE Access Time 50 60 70 ns tLZ(1) CE Low to Active Output 0 0 0 ns tOLZ(1) OE Low to Active Output 0 0 0 ns tHZ(1)(2) CE High to High-Z Output 50 50 50 ns tOHZ(1)(2) OE High to High-Z Output 50 50 50 ns tOH(1) Output Hold from Address Change 0 0 0 ns Figure 1. A.C. Testing Input/Output Waveform(3) INPUT PULSE LEVELS REFERENCE POINTS 2.0 V 0.8 V VCC - 0.3V 0.0 V Figure 2. A.C. Testing Load Circuit (example) Note: (1) This parameter is tested initially and after a design or process change that affects the parameter. (2) Output floating (High-Z) is defined as the state when the external data line is no longer driven by the output buffer. (3) Input rise and fall times (10% and 90%) < 10 ns. 1.3V DEVICE UNDER TEST 1N914 3.3K CL = 100 pF OUT CL INCLUDES JIG CAPACITANCE |
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