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EN29LV640A Datasheet(PDF) 13 Page - Eon Silicon Solution Inc. |
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EN29LV640A Datasheet(HTML) 13 Page - Eon Silicon Solution Inc. |
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13 / 53 page  This Data Sheet may be revised by subsequent versions ©2004 Eon Silicon Solution, Inc., www.eonssi.com or modifications due to changes in technical specifications. 13 EN29LV640A Rev. D, Issue Date: 2011/10/26 TABLE 4. Autoselect Codes (Using High Voltage, V B ID B ) 64M FLASH MANUFACTURER/DEVICE ID TABLE 64M FLASH SECURED SILICON SECTOR TABLE3 L=logic low= VIL, H=Logic High= VIH, VID = 9 ± 0.5V, X=Don’t Care (either L or H, but not floating!), SA=Sector Addresses Note: 1. A8 = H is recommended for Manufacturing ID check. If a manufacturing ID is read with A8=L, the chip will output a configuration code 7Fh. 2. A9 = VID is for HV A9 Autoselect mode only. A9 must be ≤ Vcc (CMOS logic level) for Command Autoselect Mode. 3. 64M FLASH SECURED SILICON SECTOR TABLE is valid only in Secured Silicon Sector. 4. AC Waveform for Secured Silicon Sector Lock / Verification Operations Timings Description CE# OE# WE# A21 to A12 A11 to A10 A9 P 2 P A8 A7 A6 A5 to A2 A1 A0 DQ8 to DQ15 DQ7 to DQ0 H P 1 P 1Ch Manufacturer ID: Eon L L H X X V B IDB L XLXL L X 7Fh Word L L H 22h C9h Device ID (top boot sector) Byte L L H X X V B IDB XX L X L H X C9h Word L L H 22h CBh Device ID (bottom boot sector) Byte L L H X X V B IDB XX L X L H X CBh X 01h (Protected) Sector Protection Verification L L H SA X V B IDB XX L X H L X 00h (Unprotected) Description CE# OE# WE# A21 to A12 A11 to A10 A9 P 2 P A8 A7 A6 A5 to A2 A1 A0 DQ8 to DQ15 DQ7 to DQ0 Secured Silicon Sector Lock 4 L V B IDB X X V B IDB XX L X H L X X X1h (Locked) Secured Silicon Sector Lock Bit Verification (DQ0) 4 L L H X X V B IDB XX L X H L X X0h (Unlocked) Lock : 150μs >1μs >0.4μs A6, A1, A0 tVIDR tVIDR Valid Valid Valid Valid 0V 0V VID Vcc Secured Silicon Sector Lock Verify VID |
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