K7R161884B-FC25 Samsung semiconductor, K7R161884B-FC25 Datasheet - Page 13
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K7R161884B-FC25
Manufacturer Part Number
K7R161884B-FC25
Description
512Kx36 & 1Mx18 QDR II b4 SRAM
Manufacturer
Samsung semiconductor
Datasheet
1.K7R161884B-FC25.pdf
(18 pages)
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Manufacturer
Quantity
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Company:
Part Number:
K7R161884B-FC25
Manufacturer:
SAMSUNG
Quantity:
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Company:
Part Number:
K7R161884B-FC25
Manufacturer:
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Quantity:
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TIMING WAVE FORMS OF READ AND NOP
K7R163684B
K7R161884B
K
K
SA
R
Q
(Data Out)
C
C
CQ
CQ
Note: 1. Q1-1 refers to output from address A1+0, Q1-2 refers to output from address A1+1 i.e. the next internal burst address following A1+0.
TIMING WAVE FORMS OF WRITE AND NOP
Note: 1. D1-1 refers to input to address A1+0, D1-2 refers to input to address A1+1, i.e the next internal burst address following A1+0.
K
K
SA
W
D(Data In)
2. Outputs are disabled one cycle after a NOP.
t
IVKH
2. BWx ( NWx ) assumed active.
A1
READ
t
KHIX
t
KHKL
t
KHKL
t
KHKH
t
IVKH
t
KHKH
A1
WRITE
t
KLKH
t
KHIX
t
t
KLKH
KHKL
t
KHKH
t
KHKH
t
t
KHKH
KLKH
t
KHCH
D1-1
t
CHQX
t
t
CHCQV
CHQV
t
t
AVKH
KHKH
1
t
CHCQX
A2
t
Q1-1
CQHQV
READ
D1-2
t
KHAX
t
CHQV
t
AVKH
Q1-2
D1-3
t
A2
512Kx36 & 1Mx18 QDR
CHQX
- 13 -
WRITE
t
CQHQX
t
t
KHAX
KHIX
Q1-3
D1-4
t
CHCQV
t
CHCQX
t
Q1-4
DVKH
D2-1
Q2-1
NOP
D2-2
t
KHDX
Q2-2
D2-3
Don
NOP
TM
′
Don
t Care
II b4 SRAM
Q2-3
′
NOP
t Care
D2-4
t
CHQZ
Undefined
July. 2004
Q2-4
Undefined
Rev 3.1
NOP