參數資料
型號: K4H510838E-TLA0
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Dual Wide Bandwidth High Output Drive Single Supply Op Amp With Shutdown 14-PDIP 0 to 70
中文描述: 128MB DDR SDRAM的
文件頁數: 15/24頁
文件大?。?/td> 366K
代理商: K4H510838E-TLA0
Rev. 0.3 June. 2005
DDR SDRAM
DDR SDRAM 512Mb D-die (x8, x16)
Preliminary
Parameter
Specification
DDR400
DDR333
DDR200/266
Maximum peak amplitude allowed for overshoot
TBD
TBD
1.2 V
Maximum peak amplitude allowed for undershoot
TBD
TBD
1.2 V
The area between the overshoot signal and VDD must be less than or equal to
TBD
TBD
2.4 V-ns
The area between the undershoot signal and GND must be less than or equal to
TBD
TBD
2.4 V-ns
5
4
3
2
1
0
-1
-2
-3
-4
-5
0
0.5 1.0 1.42 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 5.68 6.0 6.5 7.0
VDDQ
Overshoot
Maximum Amplitude = 1.2V
Area = 2.4V-ns
Maximum Amplitude = 1.2V
undershoot
GND
V
Tims(ns)
DQ/DM/DQS AC overshoot/Undershoot Definition
18.0 Overshoot/Undershoot specification for Data, Strobe and Mask Pins
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