參數(shù)資料
型號: HYS72T64300EP-3S-B2
廠商: QIMONDA AG
元件分類: DRAM
英文描述: 64M X 72 DDR DRAM MODULE, DMA240
封裝: GREEN, RDIMM-240
文件頁數(shù): 9/44頁
文件大小: 1430K
代理商: HYS72T64300EP-3S-B2
HYS72T[64/128]3x0EP–[25F/3S]–B2
VLP Registered DDR2 SDRAM Modules
Internet Data Sheet
Rev. 1.10, 2008-03
17
07302007-3B5G-IYPX
3.3
Speed Grade Definitions
TABLE 12
Speed Grade Definition
TABLE 13
Speed Grade Definition
1) Timings are guaranteed with CK/CK differential Slew Rate of 2.0 V/ns. For DQS signals timings are guaranteed with a differential Slew
Rate of 2.0 V/ns in differential strobe mode and a Slew Rate of 1 V/ns in single ended mode.
Speed Grade
DDR2–800D
Unit
Note
QAG Sort Name
–25F
CAS-RCD-RP latencies
5–5–5
t
CK
Parameter
Symbol
Min.
Max.
Clock Period
@ CL = 3
t
CK
58ns
@ CL = 4
t
CK
3.75
8
ns
@ CL = 5
t
CK
2.5
8
ns
@ CL = 6
t
CK
2.5
8
ns
Row Active Time
t
RAS
45
70k
ns
Row Active Time
t
RAS
40
70k
ns
Row Cycle Time
t
RC
57.5
ns
Row Cycle Time
t
RC
52.5
ns
RAS-CAS-Delay
t
RCD
12.5
ns
Row Precharge Time
t
RP
12.5
ns
Speed Grade
DDR2–667D
Unit
Note
QAG Sort Name
–3S
CAS-RCD-RP latencies
5–5–5
t
CK
Parameter
Symbol
Min.
Max.
Clock Period
@ CL = 3
t
CK
58ns
@ CL = 4
t
CK
3.75
8
ns
@ CL = 5
t
CK
38ns
Row Active Time
t
RAS
45
70k
ns
Row Active Time
t
RAS
40
70k
ns
Row Cycle Time
t
RC
60
ns
Row Cycle Time
t
RC
55
ns
RAS-CAS-Delay
t
RCD
15
ns
Row Precharge Time
t
RP
15
ns
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