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IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS
MX29LV040 (4M-Bit CMOS Single Voltage 3V Only Equal Sector Flash Memory)
BLOCK DIAGRAM
CE
OE
WE
A0-A18
PIN LAYOUT
A11
1
A9
2
A8
3
A13
4
A14
5
A17
6
WE
7
VCC
8
MX29LV040
A18
9
A16
10
A15
11
A12
12
A7
13
A6
14
A5
15
A4
16
PROGRAM/ERASE
CONTROL
INPUT
HIGH VOLTAGE
LOGIC
MX29LV040
FLASH
ARRAY
ADDRESS
LATCH
AND
BUFFER
Y-PASS GATE
SENSE
AMPLIFIER
I/O BUFFER
Q0-Q7
32
OE
31
A10
30
CE
29
Q7
28
Q6
27
Q5
26
Q4
25
Q3
24
GND
23
Q2
22
Q1
21
Q0
20
A0
19
A1
18
A2
17
A3
WRITE
STATE
MACHINE
(WSM)
STATE
REGISTER
ARRAY
SOURCE
HV
COMMAND
DATA
DECODER
PGM
DATA
COMMAND
HV
DATA LATCH
PROGRAM
DATA LATCH
TERMINAL DESCRIPTION
Pin Name
Description
A0~A18
Address Input
Q0~Q7
Data Input/Output
CE
Chip Enable Input
WE
Write Enable Input
OE
Output Enable Input
GND
Ground Pin
VCC
+3.0V single power supply
TX-SR55
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