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D161DB12PI Folha de dados(PDF) 38 Page - Advanced Micro Devices |
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D161DB12PI Folha de dados(HTML) 38 Page - Advanced Micro Devices |
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38 / 57 page ![]() 40 Am29DL16xD 21533E5 December 1, 2006 D A TA SH EET AC CHARACTERISTICS Read-Only Operations Notes: 1. Not 100% tested. 2. See Figure 11 and Table 16 for test specifications. 3. Measurements performed by placing a 50-ohm termination on the data pin with a bias of V CC/2. The time from OE# high to the data bus driven to V CC/2 is taken as tDF. Parameter Description Test Setup Speed Options JEDEC Std 70 80 90 120 Unit t AVAV t RC Read Cycle Time (Note 1) Min 70 80 90 120 ns t AVQV t ACC Address to Output Delay CE#, OE# = V IL Max 70 80 90 120 ns tELQV tCE Chip Enable to Output Delay OE# = VIL Max 70 80 90 120 ns tGLQV tOE Output Enable to Output Delay Max 30 30 40 50 ns tEHQZ tDF Chip Enable to Output High Z (Notes 1, 3) Max 16 16 16 16 ns tGHQZ tDF Output Enable to Output High Z (Notes 1, 3) Max 16 16 16 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 13. Read Operation Timings |
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