MT28C6428P20 Micron Semiconductor Products, Inc., MT28C6428P20 Datasheet - Page 25
MT28C6428P20
Manufacturer Part Number
MT28C6428P20
Description
4 Meg X 16 Asynchronous/page Flash 512K X 16 SRAM Combo Memory
Manufacturer
Micron Semiconductor Products, Inc.
Datasheet
1.MT28C6428P20.pdf
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NOTE: 1. See Word Programming Flowchart for complete programming procedure.
4 Meg x 16 Asynchronous/Page Flash 512K x 16 SRAM Combo Memory
MT28C6428P20_3.p65 – Rev. 3, Pub. 7/02
ERASE SUSPEND/ERASE RESUME
2. See BLOCK ERASE Flowchart for complete erasure procedure.
NO
Read Status Register
SUSPEND Command
RESUME Command
Issue READ ARRAY
ERASE Continued
Issue ERASE
Issue ERASE
PROGRAM?
PROGRAM
Complete?
Command
Flowchart
SR7 = 1?
SR6 = 1?
READ or
READ or
Figure 8
Start
Bits
YES
YES
READ
YES
2
NO
NO
PROGRAM
PROGRAM
Complete
ERASE
Loop
4 MEG x 16 ASYNCHRONOUS/PAGE FLASH
(Note 1)
25
512K x 16 SRAM COMBO MEMORY
BUS
OPERATION COMMAND COMMENTS
WRITE
READ
Standby
Standby
WRITE
READ
WRITE
Micron Technology, Inc., reserves the right to change products or specifications without notice.
ERASE
SUSPEND
READ
MEMORY
ERASE
RESUME
Data = B0h
Status register data;
toggle OE# or CE# to
update status register.
Check SR7
1 = Ready
Check SR6
1 = Suspended
Data = FFh
Read data from block
other than that being
erased.
Data = D0h
©2002, Micron Technology, Inc.
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