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GM72V66841ET 数据表(PDF) 7 Page - Hynix Semiconductor |
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GM72V66841ET 数据表(HTML) 7 Page - Hynix Semiconductor |
7 / 10 page GM72V66841ET/ELT Rev. 1.1/Apr.01 AC Characteristics (Ta = 0 to 70C, VCC, VCCQ = 3.3 V +/-0.3 V, VSS, VSSQ = 0 V) (Continued) Notes : 1. AC measurement assumes tT = 1ns. Reference level for timing of input signals is 1.40V. If tT is longer than 1ns,transition time compensation should be considered. 2. Access time is measured at 1.40V. Load condition is CL = 50pF without termination. 3. tLZ (min)defines the time at which the outputs achieves the low impedance state. 4. tHZ (max)defines the time at which the outputs achieves the high impedance state. 5. tCES define CKE setup time to CKE rising edge except Power down exit command. Test Condition • Input and output-timing reference levels: 1.4V • Input waveform and output load: See following figures 20% tT tT 0.4V 2.4V I/O 80% OPEN input CL Symbol Notes Parameter 1 tRRD 1 Active (a) to Active (b) command period tREF Refresh period tRWL Write recovery or data-in to precharge lead time Unit ns ns ms - 8 Min Max 8 - 16 - - 64 - 7K Min Max 10 - 20 - - 64 - 7J Min Max 10 - 20 - - 64 - 75 Min Max 7.5 - 15 - - 64 - 7 Min Max 7 - 14 - - 64 -7- |
类似零件编号 - GM72V66841ET |
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类似说明 - GM72V66841ET |
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