IDT7027S55PFI datasheet(3/19 Pages) IDT

Part #	IDT7027S55PFI

Description	HIGH-SPEED 32K x 16 DUAL-PORT STATIC RAM

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Manufacturer	IDT [Integrated Device Technology]

Direct Link	http://www.idt.com

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3 / 19 page

6.42

IDT7027S/L

High-Speed 32K x 16 Dual-Port Static RAM

Military, Industrial and Commercial Temperature Ranges

3

Pin Configurations(1,2,3) (con't.)

Pin Names

NOTES:

1. All VCC pins must be connected to power supply.

2. All GND pins must be connected to ground supply.

3. Package body is approximately 1.21 in x 1.21 in x .16 in.

4. This package code is used to reference the package diagram.

5. This text does not indicate orientation of the actual part-marking.

Left Port

Right Port

Names

CE0L, CE1L

CE0R, CE1R

Chip Enables

R/WL

R/WR

Read/Write Enable

OEL

OER

Output Enable

A0L - A14L

A0R - A14R

Address

I/O0L - I/O15L

I/O0R - I/O15R

Data Input/Output

SEML

SEMR

Semaphore Enable

UBL

UBR

Upper Byte Select

LBL

LBR

Lower Byte Select

INTL

INTR

Interrupt Flag

BUSYL

BUSYR

Busy Flag

M/S

Master or Slave Select

VCC

Power

GND

Ground

3199 tbl 01

3199 drw 03

80

77

74

72

69

68

65

63

60

83

78

76

73

70

67

64

61

59

84

56

86

87

88

90

91

92

94

95

97

96

100

99

103

101

105

104

2

1

5

4

7

8

10

12

13

17

16

21

19

25

22

28

24

32

31

34

35

37

39

40

44

43

48

46

52

49

55

51

IDT7027G

G108-1(4)

108-Pin PGA

Top View(5)

AB

C

D

E

F

G

H

J

K

L

M

81

57

54

53

82

79

75

71

66

62

58

50

33

36

38

41

42

45

47

3

6

9

1114

1518

2023

29

30

26

27

85

89

93

98

102

106

107

108

12

11

10

09

08

07

06

05

04

03

02

01

INDEX

GND

OER

R/

WR

SEMR

CE1R

CE0R

NC

GND

A12R

A13R

A11R

A10R

A9R

GND

OEL

R/

WL

SEML

CE1L

CE0L

Vcc

NC

A14L

A13L

NC

A12L

A11L

A10L

A9L

I/O6R

I/O5R

I/O4R

I/O3R

I/O2R

I/O0R

GND

Vcc

I/O0L

I/O1L

GND

I/O2L

I/O4L

I/O5L

I/O6L

I/O7L

I/O3L

I/O1R

I/O7R

NC

I/O8R

I/O9R

I/O8L

I/O9L

Vcc

A6R

A5R

A4R

A3R

A2R

A1R

A0R

INTR

BUSYR

M/

S

BUSYL INTL

NC

A0L

GND

A2L

A3L

A5L

A6L

A1L

A4L

A8R

A7R

A8L

A7L

A14R

NC

I/O10R

I/O11R

I/O12R

I/O13R

I/O14R

I/O15R

I/O10L

I/O11L

I/O12L

I/O13L

I/O14L

GND

UBR

LBR

UBL

LBL

GND

NC

I/O15L

.

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