CY7C028V-20AXC datasheet(3/18 Pages) CYPRESS

Part #	CY7C028V-20AXC

Description	3.3V 32K/64K x 16/18 Dual-Port Static RAM

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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3 / 18 page

CY7C027V/027VN/027AV/028V

CY7C037V/037AV/038V

Document #: 38-06078 Rev. *B

Page 3 of 18

Pin Configurations (continued)

Figure 2. 100-Pin TQFP (Top View)

1

3

2

92 91 90

84

85

87 86

88

89

83 82 81

76

78 77

79

80

93

94

95

96

97

98

99

100

59

60

61

67

66

64

65

63

62

68

69

70

75

73

74

72

71

A8R

A9R

A10R

A11R

A12R

A13R

CE0R

A15R

UBR

SEMR

R/WR

GND

I/O17R

LBR

A14R

GND

OER

GND

I/O16R

I/O15R

I/O14R

I/O13R

I/O12R

I/O11R

CE1R

58

57

56

55

54

53

52

51

CY7C037V/037AV (32K x 18)

A9L

A10L

A11L

A12L

A13L

A14L

CE1L

LBL

CE0L

R/WL

OEL

I/O17L

I/O16L

UBL

A15L

VCC

GND

I/O15L

I/O14L

I/O13L

I/O12L

I/O11L

I/O10L

SEML

17

16

15

9

10

12

11

13

14

8

7

6

4

5

18

19

20

21

22

23

24

25

34 35 36

42

41

39 40

38

37

43 44 45

50

48 49

47

46

33

32

31

30

29

28

27

26

CY7C038V (64K x 18)

[2]

Selection Guide

Parameter

-15

-20

-25

Unit

Maximum Access Time

15

20

25

ns

Typical Operating Current

125

120

115

mA

Typical Standby Current for ISB1 (Both ports TTL level)

35

30

mA

Typical Standby Current for ISB3 (Both ports CMOS level)

10

μA10 μA10 μA

μA

Note

2. This pin is NC for CY7C037V/037AV.

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