參數(shù)資料
型號(hào): HYB18T1G800C4F-3
廠商: QIMONDA AG
元件分類: DRAM
英文描述: 128M X 8 DDR DRAM, 0.45 ns, PBGA60
封裝: GREEN, PLASTIC, TFBGA-60
文件頁數(shù): 33/58頁
文件大?。?/td> 1898K
代理商: HYB18T1G800C4F-3
HYB18T1G[40/80/16]0C4F
1-Gbit Double-Data-Rate-Two SDRAM
Internet Data Sheet
Rev. 1.01, 2008-11
39
04212008-66HT-ZLFE
7
Timing Characteristics
This chapter contains speed grade definition, AC timing parameter and ODT tables.
7.1
Speed Grade Definitions
TABLE 35
Speed Grade Definition
Speed Grade
DDR2–800D
DDR2–800E
Unit
Note
QAG Sort Name
–25F
–2.5
CAS-RCD-RP latencies
5–5–5
6–6–6
t
CK
Parameter
Symbol
Min.
Max.
Min.
Max.
Clock Period
@ CL = 3
t
CK
585
8ns
@ CL = 4
t
CK
3.75
8
3.75
8
ns
@ CL = 5
t
CK
2.5
8
3
8
ns
@ CL = 6
t
CK
2.5
8
2.5
8
ns
@ CL = 7
t
CK
2.5
8
2.5
8
ns
Row Active Time
t
RAS
40
70k
40
70k
ns
Row Cycle Time
t
RC
52.5
55
ns
RAS-CAS-Delay
t
RCD
12.5
15
ns
Row Precharge Time
t
RP
12.5
15
ns
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