MT28F321P20 Datasheet, PDF (4/35 Pages) Micron Technology – FLASH MEMORY

RST#
CE#
WE#
OE#
A0–A20
DQ0–DQ15
Data Input
Buffer
CSM
WSM
I/O Logic
PRELIMINARY
2 MEG x 16
PAGE FLASH MEMORY
FUNCTIONAL BLOCK DIAGRAM
Data
Register
X DEC
Y/Z DEC
PR Lock
Query/OTP
Bank 1 Blocks
Y/Z Gating/Sensing
PR Lock
Query
OTP
Manufacturer’s ID
Device ID
Block Lock
RCR
ID Reg.
Status
Reg.
Program/
Erase
Pump Voltage
Generators
Output
Multiplexer
DQ0–DQ15
Output
Buffer
Address
Input
Buffer
Address
CNT WSM
Address Latch
Address
Multiplexer
Y/Z DEC
X DEC
Y/Z Gating/Sensing
Bank 2 Blocks
2 Meg x 16 Page Flash Memory
MT28F321P20_3.p65 – Rev. 3, Pub. 7/02
4
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©2002, Micron Technology, Inc.