OKI Semiconductor

FEDR27V25653L-02-01

Issue Date: Mar. 10, 2005

MR27V25653L

16M–Word

× 16–Bit or 32M–Word × 8–Bit Page Mode

P2ROM

1/8

FEATURES

· 16,777,216-word

× 16-bit / 33,554,432-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

· Random Access time

100 ns MAX

· Page Access time

35 ns MAX

· Operating current

60 mA MAX

· Standby current

5 mA MAX

· Input/Output TTL compatible

· Three-state output

PACKAGES

· MR27V25653L-xxxMB

70-pin plastic SSOP (SSOP70-P-500-0.80-K)

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;

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.

mask for storing customer code, no mask charges apply.

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.

PIN CONFIGURATION (TOP VIEW)

A11

A10

A9

A8

A7

A6

A5

A4

A3

A2

A1

A23

NC

NC

NC

NC

NC

GND

NC

NC

NC

NC

NC

BYTE#

A0

D0

D8

D1

D9

Vcc

D2

D10

D3

D11

GND

CE#

A12

A13

A14

A15

Vcc

A16

A17

A18

A19

A20

A21

NC

NC

NC

NC

NC

GND

NC

NC

NC

NC

NC

A22

NC

OE#

D15/A-1

D7

D14

D6

D13

D5

D12

D4

Vcc

70SSOP

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

40

39

38

37

36

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35