K7B321825M-QC75 datasheet(5/18 Pages) SAMSUNG

Part #	K7B321825M-QC75

Description	1Mx36 & 2Mx18 Synchronous SRAM

Download	18 Pages

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Manufacturer	SAMSUNG [Samsung semiconductor]

Direct Link	http://www.samsung.com/Products/Semiconductor

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5 / 18 page

1Mx36 & 2Mx18 Synchronous SRAM

- 5 -

Rev 2.0

Nov. 2003

K7A321800M

K7A323600M

PIN CONFIGURATION(TOP VIEW)

PIN NAME

Note : 1. A 0 and A1 are the two least significant bits(LSB) of the address field and set the internal burst counter if burst is desired.

SYMBOL

PIN NAME

TQFP PIN NO.

SYMBOL

PIN NAME

TQFP PIN NO.

A0 - A20

ADV

ADSP

ADSC

CLK

CS1

CS2

WEx(x=a,b)

OE

GW

BW

ZZ

LBO

Address Inputs

Burst Address Advance

Address Status Processor

Address Status Controller

Clock

Chip Select

Byte Write Inputs

Output Enable

Global Write Enable

Byte Write Enable

Power Down Input

Burst Mode Control

32,33,34,35,36,37,39

42,43,44,45,46,47,48,

49,50 80,81,82,99,100

83

84

85

89

98

97

92

93,94

86

88

87

64

31

VDD

VSS

N.C.

DQa0 ~ a 7

DQb0 ~ b 7

DQPa, Pb

VDDQ

VSSQ

Power Supply(+3.3V)

Ground

No Connect

Data Inputs/Outputs

Output Power Supply

(3.3V or 2.5V)

Output Ground

15,41,65,91

17,40,67,90

1,2,3,6,7,14,16,25,28,29

30,38,51,52,53,56,57

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

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

100 Pin TQFP

(20mm x 14mm)

N.C.

VDDQ

VSSQ

N.C.

DQb0

DQb1

VSSQ

VDDQ

DQb2

DQb3

N.C.

VDD

N.C.

VSS

DQb4

DQb5

VDDQ

VSSQ

DQb6

DQb7

DQPb

N.C.

VSSQ

VDDQ

N.C.

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

N.C.

VDDQ

VSSQ

N.C.

DQPa

DQa7

DQa6

VSSQ

VDDQ

DQa5

DQa4

VSS

N.C.

VDD

ZZ

DQa3

DQa2

VDDQ

VSSQ

DQa1

DQa0

N.C.

VSSQ

VDDQ

N.C.

A10

K7A321800M(2Mx18)

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