K7A801800 Samsung semiconductor, K7A801800 Datasheet - Page 4

• Manufacturer Part Number: K7A801800
• Description: 256Kx36 & 512Kx18-Bit Synchronous Pipelined Burst SRAM
• Manufacturer: Samsung semiconductor

K7A403600B
K7A401800B
PIN CONFIGURATION
PIN NAME
A
ADV
ADSP
ADSC
CLK
CS
CS
CS
WEx
(x=a,b,c,d)
OE
GW
BW
ZZ
LBO
0
- A
1
2
2
SYMBOL
16
DQPd/NC
DQPc/NC
DQc
DQc
DQc
DQc
DQc
DQc
DQc
DQc
DQd
DQd
DQd
DQd
DQd
DQd
DQd
DQd
V
V
V
V
V
V
V
V
N.C.
N.C.
Address Inputs
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
V
DDQ
DDQ
V
DDQ
DDQ
SSQ
SSQ
SSQ
SSQ
DD
SS
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
PIN NAME
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9
(TOP VIEW)
K7A403600B(128Kx36)
K7A403200B(128Kx32)
100 Pin TQFP
32,33,34,35,36,37
44,45,46,47,48,49
50,81,82,99,100
83
84
85
89
98
97
92
93,94,95,96
86
88
87
64
31
128Kx36/x32 & 256Kx18 Synchronous SRAM
(20mm x 14mm)
TQFP PIN NO.
- 4 -
V
V
N.C.
DQa
DQb
DQc
DQd
DQPa~P
/NC
V
V
SYMBOL
DD
SS
DDQ
SSQ
0
0
0
0
~c
~a
~b
~d
7
7
7
7
d
Power Supply(+3.3V)
Ground
No Connect
Data Inputs/Outputs
Output Power Supply
(2.5V or 3.3V)
Output Ground
PIN NAME
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
15,41,65,91
17,40,67,90
14,16,38,39,42,43,66
52,53,56,57,58,59,62,63
68,69,72,73,74,75,78,79
2,3,6,7,8,9,12,13
18,19,22,23,24,25,28,29
51,80,1,30
4,11,20,27,54,61,70,77
5,10,21,26,55,60,71,76
DQPb/NC
DQb
DQb
V
V
DQb
DQb
DQb
DQb
V
V
DQb
DQb
V
N.C.
V
ZZ
DQa
DQa
V
V
DQa
DQa
DQa
DQa
V
V
DQa
DQa
DQPa/NC
DDQ
SSQ
SSQ
DDQ
SS
DD
DDQ
SSQ
SSQ
DDQ
TQFP PIN NO.
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
Nov 2001
Rev 1.0