K7R643684M_07 SAMSUNG [Samsung semiconductor], K7R643684M_07 Datasheet - Page 15
K7R643684M_07
Manufacturer Part Number
K7R643684M_07
Description
2Mx36 & 4Mx18 QDR II b4 SRAM
Manufacturer
SAMSUNG [Samsung semiconductor]
Datasheet
1.K7R643684M_07.pdf
(19 pages)
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K7R643684M
K7R641884M
TIMING WAVE FORMS OF READ, WRITE AND NOP
K
K
SA
W
R
D (Data In)
D (Data Out)
C
C
Note: 1. If address A3=A2, data Q3-1=D2-1, data Q3-2=D2-2, data Q3-3=D2-3, data Q3-4=D2-4
2.BWx assumed active.
Write data is forwarded immediately as read results.
A1
READ
A2
WRITE
Q1-1
D2-1
A3
READ
- 15 -
2Mx36 & 4Mx18 QDR
Q1-2
D2-2
Q1-3
D2-3
A4
WRITE
Q1-4
D2-4
Rev. 1.3 March 2007
Q3-1
D4-1
NOP
Don
TM
′
t Care
D4-2
Q3-2
II b4 SRAM
D4-3
Q3-3
Undefined
NOP
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