KM718V887 View Datasheet(PDF) - Samsung

Part Name

Description

Manufacturer

KM718V887

256Kx18-Bit Synchronous Burst SRAM

Samsung 

KM718V887

PIN CONFIGURATION(TOP VIEW)

256Kx18 Synchronous SRAM

N.C.

1

N.C.

2

N.C.

3

VDDQ

4

VSSQ

5

N.C.

6

N.C.

7

DQb0

8

DQb1

9

VSSQ

10

VDDQ

11

DQb2

12

DQb3

13

N.C.

14

VDD

15

N.C.

16

VSS

17

DQb4

18

DQb5

19

VDDQ

20

VSSQ

21

DQb6

22

DQb7

23

DQPb

24

N.C.

25

VSSQ

26

VDDQ

27

N.C.

28

N.C.

29

N.C.

30

100 Pin TQFP

(20mm x 14mm)

80

A10

79

N.C.

78

N.C.

77

VDDQ

76

VSSQ

75

N.C.

74

DQPa

73

DQa7

72

DQa6

71

VSSQ

70

VDDQ

69

DQa5

68

DQa4

67

VSS

66

N.C.

65

VDD

64

ZZ

63

DQa3

62

DQa2

61

VDDQ

60

VSSQ

59

DQa1

58

DQa0

57

N.C.

56

N.C.

55

VSSQ

54

VDDQ

53

N.C.

52

N.C.

51

N.C.

PIN NAME

SYMBOL

PIN NAME

A0 - A17

Address Inputs

ADV

ADSP

ADSC

CLK

CS1

CS2

CS2

WEx

OE

GW

BW

ZZ

LBO

Burst Address Advance

Address Status Processor

Address Status Controller

Clock

Chip Select

Chip Select

Chip Select

Byte Write Inputs

Output Enable

Global Write Enable

Byte Write Enable

Power Down Input

Burst Mode Control

TQFP PIN NO.

32,33,34,35,36,37,

44,45,46,47,48,49,

50,80,81,82,99,100

83

84

85

89

98

97

92

93,94

86

88

87

64

31

SYMBOL

VDD

VSS

N.C.

DQa0~a7

DQb0~b7

DQPa, Pb

VDDQ

VSSQ

PIN NAME

Power Supply(+3.3V)

Ground

No Connect

Data Inputs/Outputs

Output Power Supply

(2.5V or 3.3V)

Output Ground

TQFP PIN NO.

15,41,65,91

17,40,67,90

1,2,3,6,7,14,16,25,28,

29,30,38,39,42,43,51

52,53,56,57,66,75

78,79,95,96

58,59,62,63,68,69,72,73

8,9,12,13,18,19,22,23

74,24

4,11,20,27,54,61,70,77

5,10,21,26,55,60,71,76

-3-

December 1998

Rev. 2.0

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