HY5PS1G421LM HYNIX [Hynix Semiconductor], HY5PS1G421LM Datasheet - Page 45
HY5PS1G421LM
Manufacturer Part Number
HY5PS1G421LM
Description
1Gb DDR2 SDRAM(DDP)
Manufacturer
HYNIX [Hynix Semiconductor]
Datasheet
1.HY5PS1G421LM.pdf
(79 pages)
- Current page: 45 of 79
- Download datasheet (6Mb)
Rev. 0.2 / Oct. 2005
Example 3: Burst Read with Auto Precharge Followed by an activation to the Same
Bank(tRC Limit):
RL = 5 (AL = 2, CL = 3, internal tRCD = 3, BL = 4, t
Example 4: Burst Read with Auto Precharge Followed by an Activation to the Same
Bank(tRP Limit):
RL = 5 (AL = 2, CL = 3, internal tRCD = 3, BL = 4, t
CK/CK
CMD
DQS/DQS
DQ’s
CK/CK
CMD
DQS/DQS
DQ’s
A10 = 1
A10 = 1
Post CAS
Post CAS
T0
READ A
T0
READ A
T1
T1
AL = 2
AL = 2
NOP
NOP
> = tRAS(min)
> = tRAS(min)
T2
T2
NOP
NOP
> = t
> = t
RL = 5
RL = 5
RC
RC
T3
T3
NOP
NOP
CL =3
CL =3
Auto Precharge Begins
Auto Precharge Begins
T4
T4
NOP
NOP
T5
T5
RTP
RTP
NOP
NOP
DOUT A
DOUT A
CL =3
CL =3
<= 2 clocks)
<= 2 clocks)
0
0
> = t
> = t
DOUT A
DOUT A
RP
RP
T6
T6
1
1
NOP
NOP
DOUT A
DOUT A
1HY5PS12421(L)M
2
2
HY5PS12821(L)M
DOUT A
DOUT A
T7
T7
3
3
Bank A
Activate
NOP
Activate
T8
T8
Bank A
NOP
45
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