K7R643684M_07 SAMSUNG [Samsung semiconductor], K7R643684M_07 Datasheet - Page 13

• Manufacturer Part Number: K7R643684M_07
• Description: 2Mx36 & 4Mx18 QDR II b4 SRAM
• Manufacturer: SAMSUNG [Samsung semiconductor]

K7R643684M
K7R641884M
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=50Ω Vt=V
Vt
Vt
SA
D
REF
R W BW
SRAM#1
0
BW
1
- 13 -
C C
2Mx36 & 4Mx18 QDR
K
CQ
CQ
Q
ZQ R=250Ω
K
D
SA
R
Vt
Vt
RW BW
Rev. 1.3 March 2007
SRAM#4
TM
0
BW
II b4 SRAM
1
C C
K
CQ
ZQ
CQ
ZQ
Q
K
R=250Ω