M27C256B-10B1X STMICROELECTRONICS [STMicroelectronics], M27C256B-10B1X Datasheet - Page 2

• Manufacturer Part Number: M27C256B-10B1X
• Description: 256 Kbit (32Kb x 8) UV EPROM and OTP EPROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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