EDJ8232B5MB datasheet(21/142 Pages) ELPIDA

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EDJ8232B5MB

Data Sheet E1825E30 (Ver. 3.0)

AC and DC Output Measurement Levels (TC = 0

C to +85C, VDD, VDDQ = 1.5V  0.075V)

Parameter

Symbol

Specification

Unit

Notes

DC output high measurement level

(for IV curve linearity)

VOH (DC)

0.8

 VDDQ

DC output middle measurement level

(for IV curve linearity)

VOM (DC)

0.5

 VDDQ

DC output low measurement level

(for IV curve linearity)

VOL (DC)

0.2

 VDDQ

AC output high measurement level

(for output slew rate)

VOH (AC)

VTT + 0.1

 VDDQ

AC output low measurement level

(for output slew rate)

VOL (AC)

VTT

 0.1  VDDQ

AC differential output high measurement

level (for output slew rate)

VOHdiff

0.2

 VDDQ

AC differential output low measurement level

(for output slew rate)

VOLdiff

0.2  VDDQ

AC differential cross point voltage

VOX (AC)

TBD



Notes: 1. The swing of

0.1  VDDQ is based on approximately 50% of the static single-ended output high or low

swing with a driver impedance of 34

 and an effective test load of 25 to VTT = VDDQ/2 at each of the

differential outputs.

2. The swing of

0.2  VDDQ is based on approximately 50% of the static single-ended output high or low

swing with a driver impedance of 34

 and an effective test load of 25 to VTT = VDDQ/2 at each of the

differential outputs.

Output Slew Rate Definitions

[Single-Ended Output Slew Rate Definition]

Measured

Description

From

Defined by

Output slew rate for rising edge

VOL (AC)

VOH (AC)

VOH (AC) – VOL (AC)

TRse

Output slew rate for falling edge

VOH (AC)

VOL (AC)

VOH (AC) – VOL (AC)

TFse

TRse

TFse

VOH (AC)

 VOL (AC)

TFse

Falling slew =

VOH (AC)

VOL (AC)

VTT

VOH (AC)

 VOL (AC)

TRse

Rising slew =

Output Slew Rate Definition for Single-Ended Signals

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