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MT28F800B3VG-9BET Datasheet(PDF) 5 Page - Micron Technology |
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MT28F800B3VG-9BET Datasheet(HTML) 5 Page - Micron Technology |
5 / 30 page 5 8Mb Smart 3 Boot Block Flash Memory Micron Technology, Inc., reserves the right to change products or specifications without notice. Q10_3.p65 – Rev. 3, Pub. 10/01 ©2001, Micron Technology, Inc. 8Mb SMART 3 BOOT BLOCK FLASH MEMORY NOTE: 1. L = VIL (LOW), H = VIH (HIGH), X = VIL or VIH (“Don’t Care”). 2. VPPH = VPPH1 = 3.3V or VPPH2 = 5V. 3. Operation must be preceded by ERASE SETUP command. 4. Operation must be preceded by WRITE SETUP command. 5. The READ ARRAY command must be issued before reading the array after writing or erasing. 6. When WP# = VIH, RP# may be at VIH or VHH. 7. VHH = 12V. 8. VID = 12V; may also be read by issuing the IDENTIFY DEVICE command. 9. A1–A8, A10–A18 = VIL. 10. Value reflects DQ8–DQ15. TRUTH TABLE (MT28F800B3)1 FUNCTION RP# CE# OE# WE# WP# BYTE# A0 A9 VPP DQ0–DQ7 DQ8–DQ14 DQ15/A - 1 Standby H H X X X X X X X High-Z High-Z High-Z RESET L X X X X X X X X High-Z High-Z High-Z READ READ (word mode) H L L H X H X X X Data-Out Data-Out Data-Out READ (byte mode) H L L H X L X X X Data-Out High-Z A-1 Output Disable H L H H X X X X X High-Z High-Z High-Z WRITE/ERASE (EXCEPT BOOT BLOCK)2 ERASE SETUP H L H L X X X X X 20h X X ERASE CONFIRM3 HL HL X X X X VPPH D0h X X WRITE SETUP H L H L X X X X X 10h/40h X X WRITE (word mode)4 HL HL X H X X VPPH Data-In Data-In Data-In WRITE (byte mode)4 HL HL X L X X VPPH Data-In X A-1 READ ARRAY5 HL HL X X X X X FFh X X WRITE/ERASE (BOOT BLOCK)2, 7 ERASE SETUP H L H L X X X X X 20h X X ERASE CONFIRM3 VHH LH L X X X X VPPH D0h X X ERASE CONFIRM3, 6 HL HL H X X X VPPH D0h X X WRITE SETUP H L H L X X X X X 10h/40h X X WRITE (word mode)4 VHH LH L X H X X VPPH Data-In Data-In Data-In WRITE (word mode)4, 6 HL HL H H X X VPPH Data-In Data-In Data-In WRITE (byte mode)4 VHH LH L X L X X VPPH Data-In X A-1 WRITE (byte mode)4, 6 HL HL H L X X VPPH Data-In X A-1 READ ARRAY5 HL HL X X X X X FFh X X DEVICE IDENTIFICATION8, 9 Manufacturer Compatibility H L L H X H L VID X 89h 00h – (word mode)10 Manufacturer Compatibility H L L H X L L VID X 89h High-Z X (byte mode) Device (word mode, top boot)10 HL L H X H H VID X 9Ch 88h – Device (byte mode, top boot) H L L H X L H VID X 9Ch High-Z X Device (word mode, bottom boot)10 HL L H X H H VID X 9Dh 88h – Device (byte mode, bottom boot) H L L H X L H VID X 9Dh High-Z X |
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