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S71PL254 Datasheet(PDF) 86 Page - SPANSION |
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S71PL254 Datasheet(HTML) 86 Page - SPANSION |
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86 / 196 page ![]() 86 S29PL127J/S29PL064J/S29PL032J for MCP S29PL127J_064J_032J_MCP_00_A3 August 12, 2004 Advance I n f o rmation Read Operations Notes: 1. Not 100% tested. 2. See Figure 9 and Table 21 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. 4. For 70pF Output Load Capacitance, 2 ns will be added to the above tACC,tCE,tPACC,tOE values for all speed grades. Table 23. Read-Only Operations Parameter Description Test Setup Speed Options JEDEC Std. 55 60 65 70 Unit tAVAV tRC Read Cycle Time (Note 1) Min 55 60 65 70 ns tAVQV tACC Address to Output Delay CE#, OE# = VIL Max 55 60 65 70 ns tELQV tCE Chip Enable to Output Delay OE# = VIL Max 55 60 65 70 ns tPACC Page Access Time Max 20 25 30 ns tGLQV tOE Output Enable to Output Delay Max 20 25 30 ns tEHQZ tDF Chip Enable to Output High Z (Note 3) Max 16 ns tGHQZ tDF Output Enable to Output High Z (Notes 1, 3) Max 16 ns tAXQX tOH Output Hold Time From Addresses, CE# or OE#, Whichever Occurs First (Note 3) Min 5 ns tOEH Output Enable Hold Time (Note 1) Read Min 0 ns Toggle and Data# Polling Min 10 ns Figure 11. Read Operation Timings tOH tCE Data WE# Addresses CE# OE# HIGH Z Valid Data HIGH Z Addresses Stable tRC tACC tOEH tRH tOE tRH 0 V RY/BY# RESET# tDF |
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