M27W256(2006) 查看數據表（PDF） - STMicroelectronics

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M27W256
(Rev.:2006)

256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM

STMicroelectronics 

Summary description

M27W256

Table 1. Signal descriptions

Signal

Description

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

t(s) DU

Don’t Use

uc Figure 2. DIP Connections

Prod t(s) VPP

te c A12

le u A7

so rod A6

A5

b P A4

- O te A3

) le A2

t(s o A1

s A0

c b Q0

du - O Q1

ro )Q2

OObbssoolleettee PProduct(sVSS

1

28

2

27

3

26

4

25

5

24

6

23

7

22

M27W256

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

AI03627

6/23

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