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AM29PDL640G Arkusz danych(PDF) 44 Page - SPANSION |
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AM29PDL640G Arkusz danych(HTML) 44 Page - SPANSION |
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44 / 61 page ![]() February 26, 2003 Am29PDL640G 43 P R E L I M INARY AC CHARACTERISTICS Read-Only Operations Notes: 1. Not 100% tested. 2. See Figure 10 and Table 17 for test specifications 3. 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. . Parameter Description Test Setup Speed Options JEDEC Std. 63 73 83 98 Unit t AVAV t RC Read Cycle Time (Note 1) Min 65 70 85 90 ns t AVQV t ACC Address to Output Delay CE#, OE# = V IL Max 65 70 85 90 ns t ELQV t CE Chip Enable to Output Delay OE# = V IL Max 65 70 85 90 ns t PACC Page Access Time Max 25 30 45 ns t GLQV t OE Output Enable to Output Delay Max 25 30 45 ns t EHQZ t DF Chip Enable to Output High Z (Notes 1, 3) Max 25 30 45 ns t GHQZ t DF Output Enable to Output High Z (Notes 1, 3) Max 25 30 45 ns t AXQX t OH Output Hold Time From Addresses, CE# or OE#, Whichever Occurs First Min 4 5 ns t OEH Output Enable Hold Time (Note 1) Read Min 0 ns Toggle and Data# Polling Min 10 ns tOH tCE Data WE# Addresses CE#f OE# HIGH Z Valid Data HIGH Z Addresses Stable tRC tACC tOEH tRH tOE tRH 0 V RY/BY# RESET# tDF Figure 12. Read Operation Timings |
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