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參數(shù)資料
| 型號： | K7R323682 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 1Mx36 & 2Mx18 & 4Mx9 QDRTM II b2 SRAM |
| 中文描述： | 1Mx36 |
| 文件頁數(shù)： | 14/19頁 |
| 文件大小： | 201K |
| 代理商： | K7R323682 |
1Mx36 & 2Mx18 & 4Mx9 QDRTM II b2 SRAM
- 4 -
Rev 2.0
Dec. 2003
K7R323682M
K7R321882M
K7R320982M
PIN CONFIGURATIONS(TOP VIEW) K7R321882M(2Mx18)
Notes: 1. * Checked No Connect(NC) or Vss pins are reserved for higher density address, i.e. 10A for 72Mb and 2A for 144Mb.
2. BW0 controls write to D0:D8 and BW1 controls write to D9:D17.
1
2
3
4
5
6
7
8
9
10
11
A
CQ
VSS/SA*
SA
W
BW 1
K
NC
R
SA
VSS/SA*
CQ
B
NC
Q9
D9
SA
NC
K
BW0
SA
NC
Q8
C
NC
D10
VSS
SA
VSS
NC
Q7
D8
D
NC
D11
Q10
VSS
NC
D7
E
NC
Q11
VDDQ
VSS
V DDQ
NC
D6
Q6
F
NC
Q12
D12
VDDQ
VDD
VSS
VDD
V DDQ
NC
Q5
G
NC
D13
Q13
VDDQ
VDD
VSS
VDD
V DDQ
NC
D5
H
Doff
VREF
VDDQ
VDD
VSS
VDD
V DDQ
VDDQ
VREF
ZQ
J
NC
D14
VDDQ
VDD
VSS
VDD
V DDQ
NC
Q4
D4
K
NC
Q14
VDDQ
VDD
VSS
VDD
V DDQ
NC
D3
Q3
L
NC
Q15
D15
VDDQ
VSS
V DDQ
NC
Q2
M
NC
D16
VSS
NC
Q1
D2
N
NC
D17
Q16
VSS
SA
VSS
NC
D1
P
NC
Q17
SA
C
SA
NC
D0
Q0
R
TDO
TCK
SA
C
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 VDD 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
PIN NUMBERS
DESCRIPTION
NOTE
K, K
6B, 6A
Input Clock
C, C
6P, 6R
Input Clock for Output Data
1
CQ, CQ
11A, 1A
Output Echo Clock
Doff
1H
DLL Disable when low
SA
3A,9A,4B,8B,5C-7C,5N-7N,4P,5P,7P,8P,3R-5R,7R-9R
Address Inputs
D0-17
10P,11N,11M,10K,11J,11G,10E,11D,11C,3B,3C,2D,
3F,2G,3J,3L,3M,2N
Data Inputs
Q0-17
11P,10M,11L,11K,10J,11F,11E,10C,11B,2B,3D,3E,
2F,3G,3K,2L,3N,3P
Data Outputs
W
4A
Write Control Pin,active when low
R
8A
Read Control Pin,active when low
BW0, BW1
7B, 5A
Block Write Control Pin,active when low
VREF
2H,10H
Input Reference Voltage
ZQ
11H
Output Driver Impedance Control Input
2
VDD
5F,7F,5G,7G,5H,7H,5J,7J,5K,7K
Power Supply ( 1.8 V )
VDDQ
4E,8E,4F,8F,4G,8G,3H,4H,8H,9H,4J,8J,4K,8K,4L,8L
Output Power Supply ( 1.5V or 1.8V )
V SS
2A,10A,4C,8C,4D-8D,5E-7E,6F,6G,6H,6J,6K,5L-7L,4M-8M,4N,8N
Ground
TMS
10R
JTAG Test Mode Select
TDI
11R
JTAG Test Data Input
TCK
2R
JTAG Test Clock
TDO
1R
JTAG Test Data Output
NC
7A,1B,5B,9B,10B,1C,2C,9C,1D,9D,10D,1E,2E,9E,1F,9F,
10F,1G,9G,10G,1J,2J,9J,1K,2K,9J,1L,9L,10L,1M,2M,
9M,1N,9N,10N,1P,2P,9P
No Connect
3
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