MT28F004B5 Micron, MT28F004B5 Datasheet - Page 3

• Manufacturer Part Number: MT28F004B5
• Description: FLASH MEMORY
• Manufacturer: Micron

NOTE: 1. Does not apply to MT28F004B5.
4Mb Smart 5 Boot Block Flash Memory
F44_B.p65 – Rev. 7/02
A0–A17/(18)
BYTE#
WP#
WE#
OE#
CE#
RP#
V
V
CC
PP
1
Control
Logic
I/O
A9
Command
Execution
Logic
(Current)
Control
Buffer/
Power
Addr.
Latch
Machine
State
FUNCTIONAL BLOCK DIAGRAM
18 (19)
Counter
Switch/
Addr.
Pump
V
Register
PP
Status
Identification
SMART 5 BOOT BLOCK FLASH MEMORY
(10)
Register
9
9
Decoder
Y -
3
8KB Parameter Block
8KB Parameter Block
Compare and Verify
128KB Main Block
128KB Main Block
128KB Main Block
Sense Amplifiers
16KB Boot Block
96KB Main Block
Y - Select Gates
Write/Erase-Bit
Micron Technology, Inc., reserves the right to change products or specifications without notice.
DQ15
7
8
8
Input Data
Latch/Mux
16
8
7
A-1
Output
Output
Output
Buffer
Buffer
Buffer
Buffer
Buffer
Buffer
Input
Input
Input
7
©2002, Micron Technology, Inc.
8
4Mb
DQ15/(A - 1)
DQ8–DQ14
DQ0–DQ7
1
1