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AM29PDL129H データシート(PDF) 35 Page - SPANSION |
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AM29PDL129H データシート(HTML) 35 Page - SPANSION |
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35 / 49 page ![]() November 2, 2005 Am29PDL129H 33 AC CHARACTERISTICS CE1#/CE2# Timing Read-Only Operations Notes: 1. Not 100% tested. 2. See Figure 8 and Table 16 for test specifications 3. Valid CE1#/CE2# conditions: (CE1#= VIL, CE2#= VIH) or (CE1#= VIH, CE2#=VIL). 4. Valid CE1#/CE2# transitions: (CE1#= CE2#= VIH) to (CE1#= VIL, CE2#=VIH) or (CE1#= VIH, CE2#=VIL). 5. Measurements performed by placing a 50 ohm termination on the data pin with a bias of VCC/2. The time from OE# high to the data bus driven to VCC/2 is taken as tDF. 6. Valid CE1#/CE2# transitions: (CE1#= VIL, CE2#= VIH) or (CE1#= VIH, CE2#=VIL) to (CE1#= CE2#= VIH). 7. For 70 pF output load capacitance, 2 ns will be added to tACC, tCE, tPACC, tOE values for all speed options. Parameter Description All Speed Options Unit JEDEC Std tCCR CE1#/CE2# Recover Time Min 30 ns CE1# tCCR tCCR CE2# Figure 10. Timing Diagram for Alternating Between CE1# and CE2# Control Parameter Description Test Setup Speed Options JEDEC Std. 53 63 68 88 Unit tAVAV tRC Read Cycle Time (Note 1) Min 55 65 65 85 ns tAVQV tACC Address to Output Delay (Note 3) CE#, OE# = VIL Max 55656585 ns tELQV tCE Chip Enable to Output Delay (Note 4) OE# = VIL Max 60657085 ns tPACC Page Access Time Max 20 25 30 ns tGLQV tOE Output Enable to Output Delay Max 20 25 30 ns tEHQZ tDF Chip Enable to Output High Z (Notes 1, 5, 6) Max 16 ns tGHQZ tDF Output Enable to Output High Z (Notes 1, 5) Max 16 ns tAXQX tOH Output Hold Time From Addresses, CE#/CE2# or OE#, Whichever Occurs First (Notes 5, 6) Min 5 ns tOEH Output Enable Hold Time (Note 1) Read Min 0 ns Toggle and Data# Polling Min 10 ns |
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