MT28F800B5SG-8B 데이터 시트보기 (PDF) - Micron Technology
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MT28F800B5SG-8B Datasheet PDF : 30 Pages
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8Mb
SMART 5 BOOT BLOCK FLASH MEMORY
TRUTH TABLE (MT28F800B5)1
FUNCTION
RP# CE# OE# WE# WP# BYTE# A0
Standby
RESET
HHXXX
X
X
L XXXX
X
X
READ
READ (word mode)
HL LHX
H
X
READ (byte mode)
HL LHX
L
X
Output Disable
H L HHX
X
X
WRITE/ERASE (EXCEPT BOOT BLOCK)2
ERASE SETUP
ERASE CONFIRM3
HLHLX
X
X
HLHLX
X
X
WRITE SETUP
WRITE (word mode)4
WRITE (byte mode)4
READ ARRAY5
HLHLX
X
X
HLHLX
H
X
HLHLX
L
X
HLHLX
X
X
WRITE/ERASE (BOOT BLOCK)2
ERASE SETUP
ERASE CONFIRM3
ERASE CONFIRM3, 6
HLHLX
X
X
VHH L
H
L
X
X
X
HLHLH
X
X
WRITE SETUP
HLHLX
X
X
WRITE (word mode)4
VHH L
H
L
X
H
X
WRITE (word mode)4, 6
HLHLH
H
X
WRITE (byte mode)4
VHH L
H
L
X
L
X
WRITE (byte mode)4, 6
HLHLH
L
X
READ ARRAY5
HLHLX
X
X
DEVICE IDENTIFICATION 7
Manufacturer
Compatibility (word
mode)8
HL LHX
H
L
Manufacturer
Compatibility (byte
mode)
HL LHX
L
L
Device (word mode, top H L L H X
H
H
boot)8
Device (byte mode, top H L L H X
L
H
boot)
Device (word mode,
bottom boot)8
HL LHX
H
H
Device (byte mode,
bottom boot)
HL LHX
L
H
A9 VPP
XX
XX
DQ0–
DQ7
High-Z
High-Z
DQ8–
DQ14
High-Z
High-Z
DQ15/
A-1
High-Z
High-Z
X X Data-Out Data-Out Data-Out
X X Data-Out High-Z
A-1
X X High-Z High-Z High-Z
XX
20h
X VPPH D0h
X X 10h/40h
X VPPH Data-In
X VPPH Data-In
XX
FFh
X
X
X
Data-In
X
X
X
X
X
Data-In
A-1
X
XX
20h
X VPPH D0h
X VPPH D0h
X X 10h/40h
X VPPH Data-In
X VPPH Data-In
X VPPH Data-In
X VPPH Data-In
XX
FFh
X
X
X
X
Data-In
Data-In
X
X
X
X
X
X
X
Data-In
Data-In
A-1
A-1
X
VID X
89h
00h
–
VID X
89h
High-Z
X
VID X
9Ch
88h
–
VID X
9Ch
High-Z
X
VID X
9Dh
88h
–
VID X
9Dh
High-Z
X
Notes: 1. L = VIL (LOW), H = VIH (HIGH), X = VIL or VIH (“Don’t Care”).
2. VPPH = 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. A1–A8, A10–A17 = VIL.
8. Value reflects DQ8–DQ15.
8Mb Smart 5 Boot Block Flash Memory
MT28F800B5_3.fm - Rev. 3, Pub. 8/2002
5Micron Technology, Inc. Reserves the right to change products or specifications without notice.
©2002, Micron Technology Inc.
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