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AM29F040B 数据表(PDF) 23 Page - Advanced Micro Devices |
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AM29F040B 数据表(HTML) 23 Page - Advanced Micro Devices |
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23 / 36 page ![]() November 1, 2006 21445E5 Am29F040B 21 D A TA SH EE T 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 Std -55 -70 -90 -120 tAVAV tRC Read Cycle Time (Note 3) Min 55 70 90 120 ns tAVQV tACC Address to Output Delay CE# = VIL, OE# = VIL Max 55 70 90 120 ns tELQV tCE Chip Enable to Output Delay OE# = VIL Max 55 70 90 120 ns tGLQV tOE Output Enable to Output Delay Max 30 30 35 50 ns tOEH Output Enable Hold Time (Note 3) Read Min 0 0 0 0 ns Toggle and Data# Polling Min 10 10 10 10 ns tEHQZ tDF Chip Enable to Output High Z (Notes 2, 3) Max 18 20 20 30 ns tGHQZ tDF Output Enable to Output High Z (Notes 2, 3) 18 20 20 30 ns tAXQX tOH Output Hold Time from Addresses, CE# or OE#, Whichever Occurs First Min 0 0 0 0 ns tCE Outputs WE# Addresses CE# OE# HIGH Z Output Valid HIGH Z Addresses Stable tRC tACC tOEH tOE 0 V tDF tOH Figure 8. Read Operation Timings |
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