Instruction Manual

DS2188
021997 8/11
AC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V
DD
=5V ± 10%)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
RCLK Period t
P
–200 +200 ppm 1
RCLK Pulse Width t
WH
,t
WL
100 ns
RCLK Rise and Fall Times t
R
, t
F
50 ns
RPOS, RNEG Setup to RCLK t
SD
50 ns
RPOS, RNEG Hold from RCLK t
HD
50 ns
Propagation Delay from RRCLK
to RRPOS, RRNEG Valid
t
PD
50 ns
Propagation Delay from XTAL
OUT to RRCLK
t
PDC
50 ns 2
RST Pulse Width t
RST
1 µs
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 120UIpp (BDS=0) or 28UIpp (BDS=1).