128Mb, 64Mb, 32Mb
Q-FLASH MEMORY
FUNCTIONALBLOCKDIAGRAM
(128Mb)
Input
Buffer
I/O
Control
Logic
128KB Memory Block (0)
128KB Memory Block (1)
128KB Memory Block (2)
Addr.
Buffer/
Latch
A0–A23
Addr.
Power
(Current)
Control
Write
Buffer
Counter
DQ0–DQ15
CE0
CE1
CE2
OE#
WE#
RP#
128KB Memory Block (125)
128KB Memory Block (126)
128KB Memory Block (127)
CE Logic
Command
Execution
Logic
State
Y -
Decoder
Machine
Y - Select Gates
V
CC
Sense Amplifiers
Write/Erase-Bit
Compare and Verify
V
PP
STS
Switch/
Pump
VPEN
Status
Register
Identification
Register
Query
Output
Buffer
FUNCTIONALBLOCKDIAGRAM
(64Mb)
Input
Buffer
I/O
Control
Logic
128KB Memory Block (0)
Addr.
Buffer/
Latch
128KB Memory Block (1)
128KB Memory Block (2)
A0–A22
Addr.
Power
(Current)
Control
Write
Buffer
Counter
DQ0–DQ15
CE0
CE1
CE2
OE#
WE#
RP#
128KB Memory Block (61)
128KB Memory Block (62)
128KB Memory Block (63)
CE Logic
Command
Execution
Logic
State
Y -
Decoder
Machine
Y - Select Gates
V
CC
Sense Amplifiers
Write/Erase-Bit
Compare and Verify
V
PP
STS
Switch/
Pump
VPEN
Status
Register
Identification
Register
Query
Output
Buffer
128Mb, 64Mb, 32MbQ-FlashMemory
MT28F640J3_7.p65 – Rev. 6, Pub. 8/02
MicronTechnology,Inc.,reservestherighttochangeproductsorspecificationswithoutnotice.
©2002,MicronTechnology,Inc.
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