HYB18T512160AC-37 INFINEON [Infineon Technologies AG], HYB18T512160AC-37 Datasheet - Page 50

• Manufacturer Part Number: HYB18T512160AC-37
• Description: 512-Mbit Double-Data-Rate-Two SDRAM
• Manufacturer: INFINEON [Infineon Technologies AG]

Figure 42
Figure 43
Data Sheet
C K , C K
D Q S ,
D Q S
C M D
D Q S ,
D Q S
C M D
C K , C K
D Q
D Q
first 4-bit prefetch
P o s t C A S
R E A D A
T0
R E A D A
T0
Read Operation Followed by Precharge Example 4:
RL = 6, (AL = 2, CL = 4), BL = 4,
Read Operation Followed by Precharge Example 5:
RL = 4, (AL = 0, CL = 4), BL = 8,
A L + B L /2 clo cks
A L = 2
T1
T1
N O P
N O P
A L + B L /2 clks + 1
> = tR A S
R L = 6
C L = 4
R L = 4
second 4-bit prefetch
> = tR A S
T2
T2
N O P
N O P
> = tR C
> = tR T P
T3
T3
C L = 4
N O P
N O P
t
t
RTP
RTP
> 2 clocks
> = tR T P
2 clocks
P re ch a rg e
T4
T4
50
N O P
Dout A0
A
512-Mbit Double-Data-Rate-Two SDRAM
Dout A1
HYB18T512[400/800/160]A[C/F]–[3.7/5]
P re ch a rg e
T5
T5
N O P
Dout A2
tR P
C L = 4
Dout A3
T6
T6
N O P
N O P
Dout A0
Dout A4
tR P
Dout A1
Dout A5
T7
T7
Functional Description
N O P
N O P
Dout A2
Dout A6
09112003-SDM9-IQ3P
Rev. 1.13, 2004-05
Dout A3
Dout A7
T8
B a n k A
A ctiva te
T8
B a n k A
A ctiva te
BR-P404(8)
BR-P624