MR27V12850J datasheet(1/8 Pages) OKI

Part #	MR27V12850J

Description	8M-Word x 16-Bit or 16M-Word x 8-Bit P2ROM

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Manufacturer	OKI [OKI electronic componets]

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OKI Semiconductor

FEDR27V12850J-02-03

Issue Date: Jul. 9, 2004

MR27V12850J

8M–Word

× 16–Bit or 16M–Word × 8–Bit Page mode

P2ROM

1/8

FEATURES

·8,388,608-word

× 16-bit/16,777,216-word × 8-bit electrically

switchable configuration

· Page size of 8-word x 16-Bit or 16-word x 8-Bit

· 3.0 V to 3.6 V power supply

· Access time

100 ns MAX

· Page Access time

25 ns MAX

· Operating current

50 mA MAX(5MHz)

· Standby current

10 µA MAX

· Input/Output TTL compatible

· Three-state output

PACKAGES

· MR27V12850J-xxxTN

48-pin plastic TSOP (TSOP I 48-P-1220-0.50-1K)

P2ROM ADVANCED TECHNOLOGY

P2ROM stands for Production Programmed ROM. This

exclusive Oki technology utilizes factory test equipment for

programming the customers code into the P2ROM prior to final

production testing. Advancements in this technology allows

production costs to be equivalent to MASKROM and has many

advantages and added benefits over the other non-volatile

technologies, which include the following;

· Short lead time, since the P2ROM is programmed at the

final stage of the production process, a large P2ROM

inventory "bank system" of un-programmed packaged

products are maintained to provide an aggressive lead-time

and minimize liability as a custom product.

· No mask charge, since P2ROMs do not utilize a custom

mask for storing customer code, no mask charges apply.

· No additional programming charge, unlike Flash and

OTP that require additional programming and handling

costs, the P2ROM already has the code loaded at the

factory with minimal effect on the production throughput.

The cost is included in the unit price.

· Custom Marking is available at no additional charge.

· Pin Compatible with Mask ROM

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

BYTE#

A16

A15

A14

A13

A12

A11

A10

A9

A8

A19

A21

A20

A18

A17

A7

A6

A5

A4

A3

A2

A1

A0

CE#

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

48TSOP(Type-I)

PIN CONFIGURATION (TOP VIEW)

Vss

D15/A–1

D7

D14

D6

D13

D5

D12

D4

VCC

A22

D11

D3

D10

D2

D9

D1

D8

D0

OE #

Vss

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