參數(shù)資料
型號(hào)： HY5DU12422BTP
廠商： Hynix Semiconductor Inc.
英文描述： 512Mb DDR SDRAM
中文描述： 產(chǎn)品512Mb DDR SDRAM
文件頁(yè)數(shù)： 30/37頁(yè)
文件大?。?/td> 396K
代理商： HY5DU12422BTP
Rev. 0.1 / May 2004
30
HY5DU12422B(L)TP
HY5DU12822B(L)TP
HY5DU121622B(L)TP
AC Overshoot/Undershoot Specification for Address and Control Pins
This specification is intended for devices with no clamp protection and is guaranteed by design
Overshoot/Undershoot Specification for Data, Strobe, and Mask Pins
Parameter
Specification
DDR333
DDR200/266
Maximum peak amplitude allowed for overshoot (See Figure 1):
1.5V
1.5V
Maximum peak amplitude allowed for undershoot (See Figure 1):
1.5V
1.5V
The area between the overshoot signal and VDD must be less than or equal to (See Figure 1):
4.5V - ns
4.5V - ns
The area between the undershoot signal and GND must be less than or equal to (See Figure 1):
4.5V - ns
4.5V - ns
Parameter
Specification
DDR333
DDR200/266
Maximum peak amplitude allowed for overshoot (See Figure 2):
1.2V
1.2V
Maximum peak amplitude allowed for undershoot (See Figure 2):
1.2V
1.2V
The area between the overshoot signal and VDD must be less than or equal to (See Figure 2):
2.4V - ns
2.4V - ns
The area between the undershoot signal and GND must be less than or equal to (See Figure 2):
2.4V - ns
2.4V - ns
V
DD
0
1
2
3
4
5
6
0
+1
+2
+3
+4
+5
-1
-2
-3
Volts
(V)
Time(ns)
Undershoot
Ground
Max. area=4.5V-ns
Overshoot
Max. amplitude=1.5V
Figure 1: Address and Control AC Overshoot and Undershoot Definitio
V
DD
0
1
2
3
4
5
6
0
+1
+2
+3
+4
+5
-1
-2
-3
Volts
(V)
Time(ns)
Undershoot
Ground
Max. area=2.4V-ns
Overshoot
Max. amplitude=1.2V
Figure 2: DQ/DM/DQS AC Overshoot and Undershoot Definition
相關(guān)PDF資料
PDF描述
HY5DU12422BTP-X 512Mb DDR SDRAM
HY5DU12822BLTP 512Mb DDR SDRAM
HY5DU12822BLTP-X 512Mb DDR SDRAM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HY5DU12422BTP-X 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:512Mb DDR SDRAM
HY5DU12422C 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:512Mb DDR SDRAM
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HY5DU12422CLFP 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:512Mb DDR SDRAM
HY5DU12422CLTP 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:512Mb DDR SDRAM
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