EDJ1108BASE datasheet(21/148 Pages) ELPIDA

21 / 148 page

EDJ1104BASE, EDJ1108BASE, EDJ1116BASE

Data Sheet E1128E60 (Ver. 6.0)

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

Ω and an effective test load of 25Ω 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

Ω and an effective test load of 25Ω 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 =

Input Slew Rate Definition for Single-Ended Signals

EDJ1108BASE Datasheet(PDF) 21 Page - Elpida Memory

EDJ1108BASE Datasheet(HTML) 21 Page - Elpida Memory

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL