K4H280438F SAMSUNG [Samsung semiconductor], K4H280438F Datasheet - Page 14
K4H280438F
Manufacturer Part Number
K4H280438F
Description
128Mb F-die DDR SDRAM Specification
Manufacturer
SAMSUNG [Samsung semiconductor]
Datasheet
1.K4H280438F.pdf
(23 pages)
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DDR SDRAM 128Mb F-die (x4, x8)
Maximum peak amplitude allowed for overshoot
Maximum peak amplitude allowed for undershoot
The area between the overshoot signal and VDD must be less than or equal to
The area between the undershoot signal and GND must be less than or equal to
Overshoot/Undershoot specification for Data, Strobe, and Mask Pins
DQ/DM/DQS AC overshoot/Undershoot Definition
-1
-2
-3
-4
-5
5
4
3
2
1
0
Maximum Amplitude = 1.2V
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
Parameter
Area = 2.5V-ns
VDDQ
Overshoot
Tims(ns)
Maximum Amplitude = 1.2V
undershoot
GND
Rev. 1.1 May. 2004
DDR333
TBD
TBD
TBD
TBD
Specification
DDR SDRAM
DDR266
2.4 V-ns
2.4 V-ns
1.2 V
1.2 V
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