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AM29PDS322D 数据表(PDF) 37 Page - Advanced Micro Devices |
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AM29PDS322D 数据表(HTML) 37 Page - Advanced Micro Devices |
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37 / 51 page ![]() December 4, 2006 23569A5 Am29PDS322D 35 D A TA SH EET AC CHARACTERISTICS Read-Only Operations Notes: 1. Not 100% tested. 2. See Figure 13 and Table 12 for test specifications. 3. Measurements performed by placing a 50 Ω termination on the data pin with a bias of V CC/2. The time from OE# high to the data bus driven to VCC/2 is taken as tDF. Parameter Description Test Setup Speed Option JEDEC Std 10 12 Unit t AVAV t RC Read Cycle Time (Note 1) Min 100 120 ns t AVQV t ACC Address to Output Delay CE#, OE# = V IL Max 100 120 ns tPRC Page Read Cycle Min 40 50 ns tPACC Page Address to Output Delay CE#, OE# = VIL Max 40 50 ns tELQV tCE Chip Enable to Output Delay OE# = VIL Max 100 120 ns tGLQV tOE Output Enable to Output Delay Max 35 50 ns tEHQZ tDF Chip Enable to Output High Z (Notes 1, 3) Max 16 ns tGHQZ tDF Output Enable to Output High Z (Notes 1, 3) Max 16 ns t AXQX t OH Output Hold Time From Addresses, CE# or OE#, Whichever Occurs First Min 0 ns tOEH Output Enable Hold Time (Note 1) Read Min 0 ns Toggle and Data# Polling Min 10 ns tOH tCE Outputs WE# Addresses CE# OE# HIGH Z Output Valid HIGH Z Addresses Stable tRC tACC tOEH tRH tOE tRH 0 V RY/BY# RESET# tDF Figure 15. Conventional Read Operation Timings |
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