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Part Name
Description
M27V256-90K1 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
M27V256-90K1
256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM
STMicroelectronics
M27V256-90K1 Datasheet PDF : 15 Pages
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M27V256
Figure 2A. DIP Connections
Figure 2B. LCC Connections
VPP 1
A12 2
28 VCC
27 A14
A7 3
A6 4
26 A13
25 A8
1 32
A6
A8
A5 5
24 A9
A5
A9
A4 6
23 A11
A4
A11
A3 7
22 G
M27V256
A2 8
21 A10
A3
A2 9
M27V256
NC
25 G
A1 9
20 E
A1
A10
A0 10
19 Q7
A0
E
Q0 11
18 Q6
NC
Q7
Q1 12
17 Q5
Q0
Q6
Q2 13
t(s)
VSS 14
16 Q4
15 Q3
AI01909
17
AI01910
te
Produc
Figure 2C. TSOP Connections
Obsole
G
-
A11
t(s)
A9
A8
c
A13
du
A14
ro
VCC
P
VPP
A12
te
A7
le
A6
so
A5
b
A4
O
A3
22
21
28
15
M27V256
1
14
7
8
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
V
PP
Program Supply
V
CC
Supply Voltage
V
SS
Ground
NC
Not Connected Internally
DU
Don’t Use
AI01911
2/15
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