R31DS0145EU0116 Rev. 1.16

Page 14

Sep 24, 2025

XK Datasheet

Phase Jitter



jit

625

CML

50

61

fs RMS

HCSL

50

61

LVDS

50

61

LVPECL

49

60

Phase Jitter



jit

644.53125

CML

49

67

fs RMS

HCSL

49

65

LVDS

50

66

LVPECL

49

63

Phase Jitter



jit

1250

CML

50

62

fs RMS

LVDS

49

61

LVPECL

49

61

Table 16. Phase Jitter at 3.3V with 4MHz High-Pass Filter

Parameter

Symbol

Test Frequency

(MHz)

Output Type

Typical

Maximum

Unit

Phase Jitter



jit

312.5

LVPECL

24

32

fs RMS

625

22

28

Table 17. AC Characteristics at 3.3V

Parameter

Symbol

Conditions

Minimum

Typical

Maximum

Unit

Output Rise Time [1]

1. All measurements taken with 20% to 80% thresholds at 156.25MHz.

tR

CML

144

180

216

ps

HCSL

162

190

228

LVDS

136

152

169

LVPECL

147

170

221

Output Fall Time [1]

tF

CML

138

190

233

ps

HCSL

175

204

238

LVDS

175

216

259

LVPECL

164

200

251

Output Duty Cycle [2]

2. All measurements taken at the crossing points for differential signals and at VDD/2 for LVCMOS outputs, if applicable. Applies to all output

configurations.

ODC

FOUT 1000MHz

49

51

53

%

FOUT 1000MHz

51

53

56

Table 15. Phase Jitter at 3.3V (Cont.)

Parameter

Symbol

Test Frequency

(MHz)

Output Type

Typical

Maximum

Unit