XK21 datasheet(10/29 Pages) RENESAS

10 / 29 page

R31DS0145EU0116 Rev. 1.16

Page 10

Sep 24, 2025

XK Datasheet

2.4.3

2.5V Specifications

VDD = 2.5V ±5%, 12kHz to 20MHz integration range.

Output Low Voltage [1]

VOL

CML

1.0

1.28

1.6

HCSL

LVCMOS, IOL = 2mA

0.1

0.2

Output common mode voltage

VCMR

HCSL [2]

0.29

0.36

0.45

LVDS

1.1

1.2

1.31

TRUE Binary state

VOT (+)

LVDS

218

366

503

FALSE binary state

VOT (-)

-226

-370

-492

Change in VOT between

complementary output states



VOT

4.1

Change in VCMR between

complementary output states



VCMR

1. All measurements taken at 156.25MHz.

2. For HCSL VCMR is equivalent to VCROSS.

Table 10. 1.8V Current Consumption

Parameter

Symbol

Output Type

Conditions

Typical

Maximum

Unit

Current

Consumption

IDD

CML

FOUT = 156.25MHz

101

FOUT = 1250MHz

104

111

HCSL

FOUT = 156.25MHz

109

116

FOUT = 1250MHz

121

127

LVCMOS

FOUT = 156.25MHz

101

FOUT = 322.265625MHz

113

120

LVDS

FOUT = 156.25MHz

103

FOUT = 1250MHz

111

118

Table 11. Phase Jitter at 2.5V

Parameter

Symbol

Test Frequency

(MHz)

Output Type

Typical

Maximum

Unit

Phase Jitter



jit

100

CML

fs RMS

HCSL

LVDS

103

Phase Jitter



jit

125

CML

fs RMS

HCSL

LVDS

103

Table 9. 1.8V DC Characteristics (Cont.)

Parameter

Symbol

Conditions

Minimum

Typical

Maximum

Unit

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