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AM29F040B 数据表(PDF) 20 Page - Advanced Micro Devices |
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AM29F040B 数据表(HTML) 20 Page - Advanced Micro Devices |
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20 / 30 page ![]() 20 Am29F040B P R E L I M I NARY AC CHARACTERISTICS Read Only Operations Notes: 1. See Figure 7 and Table 6 for test conditions. 2. Output driver disable time. 3. Not 100% tested. Parameter Symbols Description Test Setup Speed Options (Note 1) Unit JEDEC Standard -55 -70 -90 -120 -150 tAVAV tRC Read Cycle Time (Note 3) Min 55 70 90 120 150 ns tAVQV tACC Address to Output Delay CE# = VIL, OE# = VIL Max 55 70 90 120 150 ns tELQV tCE Chip Enable to Output Delay OE# = VIL Max 55 70 90 120 150 ns tGLQV tOE Output Enable to Output Delay Max 30 30 35 50 55 ns tOEH Output Enable Hold Time (Note 3) Read Min 0000 0 ns Toggle and Data# Polling Min 1010 10 1010 ns tEHQZ tDF Chip Enable to Output High Z (Notes 2, 3) Max 1820 20 3035 ns tGHQZ tDF Output Enable to Output High Z (Notes 2, 3) 18 20 20 30 35 ns tAXQX tOH Output Hold Time from Addresses, CE# or OE#, Whichever Occurs First Min 0000 0 ns tCE Outputs WE# Addresses CE# OE# HIGH Z Output Valid HIGH Z Addresses Stable tRC tACC tOEH tOE 0 V tDF tOH 21445B-13 Figure 8. Read Operation Timings |
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