RMLD232UAW datasheet(37/50 Pages) EMLSI

部品番号	RMLD232UAW

部品情報	2M x 32 bit Low Power DDR SDRAM

PDF	50 Pages

Scroll/Zoom	100%

メーカー	EMLSI [Emerging Memory & Logic Solutions Inc]

ホームページ	http://www.emlsi.com

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37 / 50 page

Rev 0.7

64Mb Low Power DDR SDRAM

Advanced

AC Overshoot/Undershoot Specification for Address & Control Pins

AC Overshoot/Undershoot Specification for CLK, DQ, DQS and DM Pins

Parameter

Specification

Maximum peak Amplitude allowed for overshoot area

0.9V

Maximum peak Amplitude allowed for undershoot area

0.9V

Maximum overshoot area above VDD

3V-ns

Maximum undershoot area below VSS

3V-ns

Parameter

Specification

Maximum peak Amplitude allowed for overshoot area

0.9V

Maximum peak Amplitude allowed for undershoot area

0.9V

Maximum overshoot area above VDDQ

3V-ns

Maximum undershoot area below VSSQ

3V-ns

Overshoot Area

Undershoot Area

Maximum Amplitude

VDDQ

VSSQ

Volts(V)

Time(ns)

Figure 4. AC Overshoot and Undershoot Definition for CLK, DQ, DQS and DM Pins

Overshoot Area

Undershoot Area

Maximum Amplitude

VDD

VSS

Volts(V)

Time(ns)

Figure 3. AC Overshoot and Undershoot Definition for Address and Control Pins

RMLD232UAW データシート(PDF) 37 Page - Emerging Memory & Logic Solutions Inc

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