參數資料
型號: K4B1G1646C-CF8
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 1Gb C-die DDR3 SDRAM Specification
中文描述: 1Gb的?芯片的DDR3 SDRAM規(guī)范
文件頁數: 58/63頁
文件大小: 1255K
代理商: K4B1G1646C-CF8
Page 58 of 63
Rev. 1.0 June 2007
1Gb DDR3 SDRAM
K4B1G04(08/16)46C
V
SS
Hold Slew Rate
Falling Signal
Delta TF
Delta TR
tangent line [ Vih(dc)min - V
REF(dc)
]
Delta TF
=
V
DDQ
V
IH(ac)
min
V
IH(dc)
min
V
REF(dc)
V
IL(dc)
max
V
IL(ac)
max
tangent
line
tangent
line
dc to V
REF
region
dc to V
REF
region
nominal
line
nominal
line
Hold Slew Rat=
REF(dc)
- Vil(dc)max ]
Rising Signal
Delta TR
Figure 24 - Illustration of tangent line for hold time tDH (for DQ with respect to strobe) and tIH
(for ADD/CMD with respect to clock)
CK
CK
tIS
tIH
tIS
tIH
Note :Clock and Strobe are drawn on a different time scale.
tDS
tDH
tDS
tDH
DQS
DQS
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