전자부품 데이터시트 검색엔진 |
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AM28F020A-150FCB 데이터시트(PDF) 24 Page - Advanced Micro Devices |
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AM28F020A-150FCB 데이터시트(HTML) 24 Page - Advanced Micro Devices |
24 / 35 page 24 Am28F020A SWITCHING TEST WAVEFORMS SWITCHING CHARACTERISTICS over operating range, unless otherwise specified AC Characteristics—Read-Only Operations Notes: 1. Guaranteed by design; not tested. 2. Not 100% tested Parameter Symbols Am28F020A Speed Options JEDEC Standard Parameter Description -70 -90 -120 -150 -200 Unit tAVAV tRC Read Cycle Time (Note 3) Min 70 90 120 150 200 ns tELQV tCE Chip Enable Access Time Max 70 90 120 150 200 ns tAVQV tACC Address Access Time Max 70 90 120 150 200 ns tGLQV tOE Output Enable Access Time Max 35 35 50 55 55 ns tELQX tLZ Chip Enable to Output in Low Z (2) Min 00000 ns tEHQZ tDF Chip Disable to Output in High Z (1) Max 20 20303535 ns tGLQX tOLZ Output Enable to Output in Low Z (2) Min 00000 ns tGHQZ tDF Output Disable to Output in High Z (2) Max 20 20 30 35 35 ns tAXQX tOH Output Hold Time From First Address, CE#, or OE# change (2) Min 00000 ns tVCS VCC Set-up Time to Valid Read (2) Min 50 50 50 50 50 ns 17502D-17 3 V 0 V Input Output 1.5 V 1.5 V Test Points AC Testing for -70 devices: Inputs are driven at 3.0 V for a logic “1” and 0 V for a logic “0”. Input pulse rise and fall times are ≤10 ns. 2.4 V 0.45 V Input Output Test Points 2.0 V 2.0 V 0.8 V 0.8 V AC Testing (all speed options except -70): Inputs are driven at 2.4 V for a logic “1” and 0.45 V for a logic “0”. Input pulse rise and fall times are ≤10 ns. |
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