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M750000008 数据表(PDF) 69 Page - SPANSION |
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M750000008 数据表(HTML) 69 Page - SPANSION |
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69 / 136 page ![]() February 5, 2004 Am75PDL191CHH/Am75PDL193CHH 67 ADV ANCE I N FO RMAT I O N AC CHARACTERISTICS Read-Only Operations – Am29PDL127H Notes: 1. Not 100% tested. 2. See Figure 10 and Table 19 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 V CC/2 is taken as tDF. Read-Only Operations – Am29PDL129H Notes: 1. Not 100% tested. 2. See Figure 10 and Table 19 for test specifications 3. Valid CE#f1/CE#f2 conditions: (CE#f1= V IL, CE#f2= VIH) or (CE#f1= VIH, CE#f2=VIL). 4. Valid CE#f1/CE#f2 transitions: (CE#f1= CE#f2= V IH) to (CE#f1= V IL, CE#f2=VIH) or (CE#f1= VIH, CE#f2=VIL). 5. 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. 6. Valid CE#f1/CE#f2 transitions: (CE#f1= V IL, CE#f2= VIH) or (CE#f1= V IH, CE#f2=VIL) to (CE#f1= CE#f2= VIH). Parameter Description Test Setup All Speeds JEDEC Std. 70 Unit t AVAV t RC Read Cycle Time (Note 1) Min 70 ns t AVQV t ACC Address to Output Delay CE#f1, OE# = V IL Max 70 ns t ELQV t CE Chip Enable to Output Delay OE# = V IL Max 70 ns t PACC Page Access Time Max 30 ns t GLQV t OE Output Enable to Output Delay Max 30 ns t EHQZ t DF Chip Enable to Output High Z (Note 1, 3) Max 16 ns t GHQZ t DF Output Enable to Output High Z (Notes 1, 3) Max 16 ns t AXQX t OH Output Hold Time From Addresses, CE#f1 or OE#, Whichever Occurs First (Notes 3) Min 5 ns t OEH Output Enable Hold Time (Note 1) Read Min 0 ns Toggle and Data# Polling Min 10 ns Parameter Description Test Setup All Speeds JEDEC Std. 70 Unit t AVAV t RC Read Cycle Time (Note 1) Min 70 ns t AVQV t ACC Address to Output Delay (Note 3) CE#f1, OE# = V IL Max 70 ns t ELQV t CE Chip Enable to Output Delay (Note 4) OE# = V IL Max 70 ns t PACC Page Access Time Max 30 ns t GLQV t OE Output Enable to Output Delay Max 30 ns t EHQZ t DF Chip Enable to Output High Z (Notes 1, 5, 6) Max 16 ns t GHQZ t DF Output Enable to Output High Z (Notes 1, 5) Max 16 ns t AXQX t OH Output Hold Time From Addresses, CE#f1/CE#f2 or OE#, Whichever Occurs First (Notes 5, 6) Min 5 ns t OEH Output Enable Hold Time (Note 1) Read Min 0 ns Toggle and Data# Polling Min 10 ns |
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