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MBV400TC70PTB03 (IC950) : 4M-bit flash memory
1. Pin layout
1
~
24
2. Pin function
Symbol
A-
, A
~A
1
0
17
Address input
~DQ
DQ0
15
Data input / Output
CE
Chip enable
OE
Output enable
WE
Write enable
RESET
Hardware reset
3. Block diagram
Vcc
RY/BY
Vss
buffer
WE
BYTE
RESET
CE
OE
Low Vcc detect
~
A
A
0
17
A-
1
48
~
25
Function
Symbol
RY / BY
BYTE
Vss
Vcc
N.C.
RY / BY
Erase circuit
Write circuit
se
palus
circuit
timer
Function
Ready / Busy output
8bit, 16bit select
GND
Power supply
Not connect
enable
STB
Output
enable
Y decoder
STB
X decoder
NX-HD10
~
DQ
DQ
0
15
Input / Output
buffer
Data latch
Y gate
4, 194, 304
cell matrix
1-39
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