K7R643682M SAMSUNG [Samsung semiconductor], K7R643682M Datasheet - Page 13

• Manufacturer Part Number: K7R643682M
• Description: 2Mx36 & 4Mx18 & 8Mx9 QDRTM II b2 SRAM
• Manufacturer: SAMSUNG [Samsung semiconductor]

K7R643682M
K7R641882M
K7R640982M
APPLICATION INRORMATION
MEMORY
CONTROLLER
SRAM1 Input CQ
SRAM1 Input CQ
SRAM4 Input CQ
SRAM4 Input CQ
Source CLK
Source CLK
Return CLK
Return CLK
Data Out
Address
Data In
BW
W
R
Vt
R
R=50 Vt=V
Vt
Vt
SA
D
REF
R W BW
2Mx36 & 4Mx18 & 8Mx9 QDR
SRAM#1
0
BW
1
- 13 -
C C
K
CQ
CQ
Q
ZQ R=250
K
D
SA
R
Vt
Vt
RW BW
SRAM#4
TM
0
BW
Preliminary
II b2 SRAM
1
C C
Oct. 2004
K
CQ
ZQ
CQ
ZQ
Q
Rev 0.5
K
R=250