2 MEG x 16
ASYNC/PAGE/BURST FLASH MEMORY
FUNCTIONAL BLOCK DIAGRAM
PR Lock
PR Lock
Query
Query/OTP
OTP
DQ0–DQ15
Manufacturer’s ID
Device ID
Block Lock
RCR
X DEC
Bank 1 Blocks
Data Input
Buffer
Y/Z DEC
Y/Z Gating/Sensing
Data
Register
ID Reg.
RST#
CE#
Status
Reg.
CSM
WE#
OE#
Program/
Erase
Pump Voltage
Generators
DQ0–DQ15
WSM
Output
Multiplexer
Output
Buffer
I/O Logic
Address
Input
Buffer
A0–A20
Address
CNT WSM
WAIT#
Address
Multiplexer
Y/Z DEC
X DEC
Y/Z Gating/Sensing
Bank 2 Blocks
ADV#
CLK
Address Latch
BSM
2 Meg x 16 Async/Page/Burst Flash Memory
MT28F322D20FH_4.p65 – Rev. 4, Pub. 7/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2002, Micron Technology, Inc.
4
MICRON [ MICRON TECHNOLOGY ]
