IDT79RC4640

IDT79RC4640™

RC4640 Package Pin-Out

N.C. pins should be left floating for maximum flexibility as well as for compatibility with future designs. An asterisk (*) identifies a pin that is active when low.

Function

Vss

SysCmd7

SysAD10

SysCmd8

Vcc

Vss

SysAD11

SysCmdP

SysAD12

SysADC0

SysCmd5

SysAD8

Vcc

Vss

SysCmd6

SysAD9

Vcc

SysAD6

Vcc

Vss

SysCmd3

SysAD7

SysCmd4

Vcc

Vss

N.C.

SysCmd2

Vcc

Vss

SysAD5

WrRdy*

ModeClock

Function

SysAD22

Modein

RdRdy*

SysAD21

Vss

Vcc

ExtRqst*

SysAD20

ValidOut*

SysADC2

Vss

Vcc

NMI*

SysAD23

Release*

Vss

Vcc

SysAD26

N.C.

Vss

Vcc

SysAD25

Vss

Vcc

SysAD24

Vcc

SysAD28

ColdReset*

SysAD27

Vss

Vcc

N.C.

94

95

92

93

96

90

91

88

89

86

87

84

85

82

83

80

81

78

79

76

77

74

75

72

73

70

71

68

69

65

66

67

Pin

62

63

60

61

64

58

59

56

57

54

55

52

53

50

51

48

49

46

47

44

45

42

43

40

41

38

39

36

37

33

34

35

Pin

30

31

28

29

32

26

27

24

25

22

23

20

21

18

19

16

17

14

15

12

13

10

11

8

9

6

7

4

5

1

2

3

Pin Function

Vss

Vcc

SysAD31

Vss

Vcc

SysAD30

SysAD29

Reset*

Vss

Vss

Vss

Vss

Vss

Vss

Vss

SysADC3

VccOK

Vcc

Vss

SysAD13

SysAD14

Vss

Vcc

SysAD15

Vss

Vcc

SysADC1

Vss

Vcc

MasterClock

VssP

VccP

Pin

124

125

126

127

128

120

121

122

123

116

117

118

119

112

113

114

115

108

109

110

111

104

105

106

107

100

101

102

103

97

98

99

Function

SysAD2

Vcc

Vss

SysCmd0

SysAD3

Vcc

Vss

SysCmd1

SysAD4

Vss

Int3*

SysAD0

Int4*

Vcc

Vss

SysAD1

Int5*

Int0*

SysAD17

Vcc

Vss

Int1*

SysAD16

Int2*

Vcc

Vcc

Vss

SysAD19

ValidIn*

Vcc

Vss

SysAD18

22 of 23 December 5, 2008