RZSLASHG2UL datasheet(23/67 Pages) RENESAS

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RZ/G2UL Group

3. Electrical Characteristics

R01DS0486EJ0110 Rev.1.10

Page 23 of 67

Jun 16, 2025

Table 3.12

DC Characteristics (10) [1.35-V Input (DDR3L)]

Item

Symbol

Min.

Typ.

Max.

Unit

Remarks

DC input high level

VIH(DC)

VREF + 0.09

—

DC input low level

VIL(DC)

—

VREF − 0.09

VREF =0.5 x

DDR_VDDQ

AC input high level

VIH(AC)

VREF + 0.135

—

AC input low level

VIL(AC)

—

VREF − 0.135

VREF =0.5 x

DDR_VDDQ

DC differential input high

VIHdiff

0.18

—

DC differential input low

VILdiff

—

−0.18

AC differential input high

VIHdiff(AC)

2 ×

(VIH(AC) − VREF)

—

AC differential input low

VILdiff(AC)

—

2 ×

(VREF − VIL(AC))

VREF =0.5 x

DDR_VDDQ

Differential input cross point voltage

relative to 0.5 × DDR_VDDQ for DQS

VIX(DQS)

−0.075

—

0.075

Table 3.13

DC Characteristics (11) [1.2-V Output (DDR4)]

Item

Symbol

Min.

Typ.

Max.

Unit

Remarks

DC output high measurement level

(for IV curve linearity)

VOH(DC)

—

1.1 × DDR_VDDQ —

The swing of ± 0.15 ×

DDR_VDDQ is based on

approximately 50% of

the static single-ended

output peak-to-peak

swing with a driver

impedance of 40Ω and

an effective test load of

50Ω to VTT = DDR_VDDQ.

DC output mid measurement level

(for IV curve linearity)

VOM(DC)

—

0.8 × DDR_VDDQ —

DC output low measurement level

(for IV curve linearity)

VOL(DC)

—

0.5 × DDR_VDDQ —

AC output high measurement level

(for output slew rate)

VOH(AC)

—

0.85 ×

DDR_VDDQ

—

AC output low measurement level

(for output slew rate)

VOL(AC)

—

0.55 ×

DDR_VDDQ

—

Table 3.14

DC Characteristics (12) [1.35-V Output (DDR3L)]

Item

Symbol

Min.

Typ.

Max.

Unit

Remarks

DC output high measurement level

(for IV curve linearity)

VOH(DC)

—

0.8 × DDR_VDDQ —

The swing of ± 0.1 ×

DDR_VDDQ is based on

approximately 50% of

the static single-ended

output high or low swing

with a driver impedance

of 40Ω and an effective

test load of 25Ω to VTT =

DDR_VDDQ/2.

DC output mid measurement level

(for IV curve linearity)

VOM(DC)

—

0.5 × DDR_VDDQ —

DC output low measurement level

(for IV curve linearity)

VOL(DC)

—

0.2 × DDR_VDDQ —

AC output high measurement level

(for output slew rate)

VOH(AC)

—

VTT + 0.1 ×

DDR_VDDQ

—

AC output low measurement level

(for output slew rate)

VOL(AC)

—

VTT − 0.1 ×

DDR_VDDQ

—

Table 3.15

DC Characteristics (13) [DDR4 Cross Point Voltage for Differential Output Signals (CK/DQS)]

Item

Symbol

Min.

Typ.

Max.

Unit

Remarks

Differential output cross point voltage

relative to 0.67 × DDR_VDDQ

VOX(CK/DQS) −0.06

—

0.06

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