M27C256B-20F3X View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M27C256B-20F3X Datasheet PDF : 16 Pages
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M27C256B
Figure 2A. DIP Connections
VPP
A12
A7
A6
A5
A4
A3
A2
A1
A0
Q0
Q1
Q2
VSS
1
28
2
27
3
26
4
25
5
24
6
23
7
22
M27C256B
8
21
9
20
10
19
11
18
12
17
13
16
14
15
VCC
A14
A13
A8
A9
A11
G
A10
E
Q7
Q6
Q5
Q4
Q3
AI00756
Figure 2B. LCC Connections
A6
A5
A4
A3
A2 9
A1
A0
NC
Q0
1 32
M27C256B
17
A8
A9
A11
NC
25 G
A10
E
Q7
Q6
AI00757
Figure 2C. TSOP Connections
G
A11
A9
A8
A13
A14
VCC
VPP
A12
A7
A6
A5
A4
A3
22
21
28
15
M27C256B
1
14
7
8
AI00614B
A10
E
Q7
Q6
Q5
Q4
Q3
VSS
Q2
Q1
Q0
A0
A1
A2
Table 1. Signal Names
A0-A14
Address Inputs
Q0-Q7
Data Outputs
E
Chip Enable
G
Output Enable
VPP
Program Supply
VCC
Supply Voltage
VSS
Ground
NC
Not Connected Internally
DU
Don’t Use
2/16
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