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CAT28C64BN-12 Datasheet(PDF) 5 Page - Catalyst Semiconductor |
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CAT28C64BN-12 Datasheet(HTML) 5 Page - Catalyst Semiconductor |
5 / 12 page CAT28C64B 5 Doc. No. 25006-0A 2/98 P-1 A.C. CHARACTERISTICS, Read Cycle VCC = 5V ±10%, unless otherwise specified. 28C64B-12 28C64B-15 Symbol Parameter Min. Max. Min. Max. Units tRC Read Cycle Time 120 150 ns tCE CE Access Time 120 150 ns tAA Address Access Time 120 150 ns tOE OE Access Time 60 70 ns tLZ(1) CE Low to Active Output 0 0 ns tOLZ(1) OE Low to Active Output 0 0 ns tHZ(1)(2) CE High to High-Z Output 50 50 ns tOHZ(1)(2) OE High to High-Z Output 50 50 ns tOH(1) Output Hold from Address Change 0 0 ns Figure 1. A.C. Testing Input/Output Waveform(3) INPUT PULSE LEVELS REFERENCE POINTS 2.0 V 0.8 V 2.4 V 0.45 V 5096 FHD F03 Figure 2. A.C. Testing Load Circuit (example) 5096 FHD F04 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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