M29W400 ST Microelectronics, M29W400 Datasheet - Page 2

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M29W400

Manufacturer Part Number
M29W400
Description
4 Mbit 512Kb x8 or 256Kb x16 / Boot Block Low Voltage Single Supply Flash Memory
Manufacturer
ST Microelectronics
Datasheet

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M29W400T, M29W400B
Figure 2A. TSOP Pin Connections
Warning: NC = Not Connected.
Figure 2C. SO Pin Connections
Warning: NC = Not Connected.
2/34
A15
A14
A13
A12
A11
A10
A17
NC
NC
NC
NC
NC
DQ10
DQ11
RP
RB
A9
A8
A7
A6
A5
A4
A3
A2
A1
W
V SS
DQ0
DQ8
DQ1
DQ9
DQ2
DQ3
A17
NC
RB
A7
A6
A5
A4
A3
A2
A1
A0
G
E
1
12
13
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
M29W400T
M29W400B
M29W400B
M29W400T
(Normal)
AI02068
AI02066
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
48
37
36
25
RP
W
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE
V SS
DQ15A–1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
V CC
A16
BYTE
V SS
DQ15A–1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
V CC
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
G
V SS
E
A0
Figure 2B. TSOP Reverse Pin Connections
Warning: NC = Not Connected.
Table 1. Signal Names
A0-A17
DQ0-DQ7
DQ8-DQ14
DQ15A–1
E
G
W
RP
RB
BYTE
V
V
CC
SS
DQ15A–1
BYTE
DQ14
DQ13
DQ12
DQ11
DQ10
DQ7
DQ6
DQ5
DQ4
V CC
DQ3
DQ2
DQ9
DQ1
DQ8
DQ0
V SS
V SS
A16
A0
G
E
Address Inputs
Data Input/Outputs, Command Inputs
Data Input/Outputs
Data Input/Output or Address Input
Chip Enable
Output Enable
Write Enable
Reset / Block Temporary Unprotect
Ready/Busy Output
Byte/Word Organisation
Supply Voltage
Ground
1
12
13
24
M29W400T
M29W400B
(Reverse)
AI02067
48
37
36
25
A15
A14
A13
A12
A11
A10
A9
A8
NC
NC
W
RP
NC
NC
RB
NC
A17
A7
A6
A5
A4
A3
A2
A1

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