k7a803609b Samsung Semiconductor, Inc., k7a803609b Datasheet - Page 6

• Manufacturer Part Number: k7a803609b
• Description: 256kx36 & 512kx18-bit Synchronous Pipelined Burst Sram
• Manufacturer: Samsung Semiconductor, Inc.

K7A801809B
K7A803609B
PIN CONFIGURATION
PIN NAME
Notes : 1. A
A
ADV
ADSP
ADSC
CLK
CS
CS
CS
WEx
OE
GW
BW
ZZ
LBO
SYMBOL
0
- A
1
2
2
18
2. The pin 42 is reserved for address bit for the 16Mb .
0
and A
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
DQPb
DQb
DQb
DQb
DQb
DQb
DQb
DQb
DQb
V
V
V
V
V
V
V
V
1
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
V
DDQ
DDQ
V
DDQ
DDQ
SSQ
SSQ
SSQ
SSQ
are the two least significant bits(LSB) of the address field and set the internal burst counter if burst is desired.
DD
SS
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)
K7A801809B(512Kx18)
32,33,34,35,36,37,43
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
100 Pin TQFP
TQFP PIN NO.
(20mm x 14mm)
256Kx36 & 512Kx18 Synchronous SRAM
- 6 -
V
V
N.C.
DQa
DQb
DQPa, Pb
V
V
DD
SS
DDQ
SSQ
SYMBOL
0
0
~ a
~ b
7
7
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
Rev. 5.0 April 2006
15,41,65,91
17,40,67,90
1,2,3,6,7,14,16,25,28,29,
30,38,39,42,51,52,53,56,
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
N.C.
N.C.
V
V
N.C.
DQPa
DQa
DQa
V
V
DQa
DQa
V
N.C.
V
ZZ
DQa
DQa
V
V
DQa
DQa
N.C.
N.C.
V
V
N.C.
N.C.
N.C.
A
DDQ
SSQ
SSQ
DDQ
SS
DD
DDQ
SSQ
SSQ
DDQ
10
TQFP PIN NO.
7
6
5
4
3
2
1
0