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AM28F010A датащи(PDF) 24 Page - Advanced Micro Devices |
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AM28F010A датащи(HTML) 24 Page - Advanced Micro Devices |
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24 / 35 page ![]() 24 Am28F010A 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 Am28F010A 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 (Note 3) Min 0000 0 ns tEHQZ tDF Chip Disable to Output in High Z (Note 1) Max 20 20 30 35 35 ns tGLQX tOLZ Output Enable to Output in Low Z (Note 3) Min 0000 0 ns tGHQZ tDF Output Disable to Output in High Z (Note 3) Max 20 20 30 35 35 ns tAXQX tOH Output Hold Time From First Address, CE #, or OE # change (Note 3) Min 0000 0 ns tVCS VCC Set-up Time to Valid Read (Note 3) Min 50 50 50 50 50 ns 16778D-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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