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參數(shù)資料
| 型號： | K7R643682M |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 2Mx36 & 4Mx18 & 8Mx9 QDRTM II b2 SRAM |
| 中文描述： | 2Mx36 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 364K |
| 代理商： | K7R643682M |
2Mx36 & 4Mx18 & 8Mx9 QDR
TM
II b2 SRAM
- 5 -
Rev 0.5
Oct. 2004
Preliminary
K7R643682M
K7R641882M
K7R640982M
PIN CONFIGURATIONS
(TOP VIEW)
K7R640982M(8Mx9)
Notes:
1. BW controls write to D0:D8 .
1
2
3
4
5
6
7
8
9
10
11
A
CQ
SA
SA
W
NC
K
NC
R
SA
SA
CQ
B
NC
NC
NC
SA
NC
K
BW
SA
NC
NC
Q3
C
NC
NC
NC
V
SS
SA
SA
SA
V
SS
NC
NC
D3
D
NC
D4
NC
V
SS
V
SS
V
SS
V
SS
V
SS
NC
NC
NC
E
NC
NC
Q4
V
DDQ
V
SS
V
SS
V
SS
V
DDQ
NC
D2
Q2
F
NC
NC
NC
V
DDQ
V
DD
V
SS
V
DD
V
DDQ
NC
NC
NC
G
NC
D5
Q5
V
DDQ
V
DD
V
SS
V
DD
V
DDQ
NC
NC
NC
H
Doff
V
REF
V
DDQ
V
DDQ
V
DD
V
SS
V
DD
V
DDQ
V
DDQ
V
REF
ZQ
J
NC
NC
NC
V
DDQ
V
DD
V
SS
V
DD
V
DDQ
NC
Q1
D1
K
NC
NC
NC
V
DDQ
V
DD
V
SS
V
DD
V
DDQ
NC
NC
NC
L
NC
Q6
D6
V
DDQ
V
SS
V
SS
V
SS
V
DDQ
NC
NC
Q0
M
NC
NC
NC
V
SS
V
SS
V
SS
V
SS
V
SS
NC
NC
D0
N
NC
D7
NC
V
SS
SA
SA
SA
V
SS
NC
NC
NC
P
NC
NC
Q7
SA
SA
C
SA
SA
NC
D8
Q8
R
TDO
TCK
SA
SA
SA
C
SA
SA
SA
TMS
TDI
PIN NAME
Notes:
1. C, C, K or K cannot be set to V
REF
voltage.
2. When ZQ pin is directly connected to V
DD
output impedance is set to minimum value
and it
cannot be connected to ground or left unconnected
.
3. Not connected to chip pad internally.
SYMBOL
K, K
C, C
CQ, CQ
Doff
SA
D0-8
Q0-8
PIN NUMBERS
6B, 6A
6P, 6R
11A, 1A
1H
DESCRIPTION
Input Clock
Input Clock for Output Data
Output Echo Clock
DLL Disable when low
Address Inputs
Data Inputs
Data Outputs
NOTE
1
2A,3A,9A,10A,4B,8B,5C-7C,5N-7N,4P,5P,7P,8P,3R-5R,7R-9R
11M,11J,10E,11C,2D,2G,3L,2N,10P
11L,10J,11E,11B,3E,3G,2L,3P,11P
W
R
BW
V
REF
ZQ
V
DD
V
DDQ
V
SS
TMS
TDI
TCK
TDO
4A
8A
7B
Write Control Pin,active when low
Read Control Pin,active when low
Nybble Write Control Pin,active when low
Input Reference Voltage
Output Driver Impedance Control Input
Power Supply ( 1.8 V )
Output Power Supply ( 1.5V or 1.8V )
Ground
JTAG Test Mode Select
JTAG Test Data Input
JTAG Test Clock
JTAG Test Data Output
2H,10H
11H
2
5F,7F,5G,7G,5H,7H,5J,7J,5K,7K
4E,8E,4F,8F,4G,8G,3H,4H,8H,9H,4J,8J,4K,8K,4L,8L
4C,8C,4D-8D,5E-7E,6F,6G,6H,6J,6K,5L-7L,4M-8M,4N,8N
10R
11R
2R
1R
7A,5A,1B,2B,3B,5B,9B,10B,1C,2C,3C,9C,10C,1D,3D,9D,10D,
11D,1E,2E,9E,1F,2F,3F,9F,10F,11F,1G,9G,10G,11G,1J,2J,3J,9J
1K,2K,3K,10K,11K,9K,1L,9L,10L,1M,2M,3M,9M,10M,1N,3N,9N
10N,11N,1P,2P,9P
NC
No Connect
3
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