DS2188

8 of 11

AC ELECTRICAL CHARACTERISTICS

(0

°C to 70°C; V

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

RCLK Period

-200

+200

ppm

1

RCLK Pulse Width

100

ns

RCLK Rise and Fall Times

50

ns

RPOS, RNEG Setup to RCLK

50

ns

RPOS, RNEG Hold for

RCLK

50

ns

Propagation delay from

RRCLK to RPOS, RRNEG

Valid

50

ns

Propagation delay from

XTAL OUT to RRCLK

50

ns

2

RST

Pulse Width

1

µA

NOTES:

1. The average period of RCLK must be within ±200 ppm of the fundamental frequency of the crystal

divided by four.

2. Only valid when the incoming jitter is less than 120 Ulpp (BDS=0) or 28 Ulpp (BDS=1).