K7R321882 Samsung semiconductor, K7R321882 Datasheet - Page 15

• Manufacturer Part Number: K7R321882
• Description: 1Mx36 & 2Mx18 & 4Mx9 QDRTM II b2 SRAM
• Manufacturer: Samsung semiconductor

K7R323682M
K7R321882M
K7R320982M
TIMING WAVE FORMS OF READ, WRITE AND NOP
K
K
SA
W
R
D(Data In)
Q(Data Out)
C
C
C Q
C Q
Note: 1. If address A1=A2, data Q1-1=D2-1, data Q1-2=D2-2.
2.BWx ( NWx ) assumed active.
Write data is forwarded immediately as read results.
D2-1
A1
READ
D2-2
A2
WRITE
D4-1
A3
READ
D4-2
A4
1Mx36 & 2Mx18 & 4Mx9 QDR
WRITE
D6-1
A5
Q1-1
READ
- 15 -
D6-2
A6
Q1-2
WRITE
D7-1
Q3-1
NOP
D7-2
A7
Q3-2
WRITE
Q5-1
NOP
Don t Care
TM
II b2 SRAM
Q5-2
Undefined
Dec. 2003
Rev 2.0