Datasheet

DS21Q50
86 of 87
21.6 Special Modes AC Characteristics
AC CHARACTERISTICS—SPECIAL MODES
(V
DD
= 3.3V ±5%, T
A
= 0°C to +70°C for DS21Q50L; V
DD
= 3.3V ± 5%, T
A
= -40°C to +85°C for DS21Q50LN.)
PARAMETER SYMBOL MIN TYP MAX UNITS
RTIP Period t
CP
488 ns
t
CH
75 ns
RTIP Pulse Width
t
CL
75 ns
RTIP Setup to RRING Falling t
SU
20 ns
TSER Hold from TCLK Falling t
HD
20 ns
RTIP, RRING Rise and Fall Times t
R
, t
F
25 ns
Special Mode: OUTBC.7 = 1
Note: RTIP and RRING become NRZ data and clock inputs.
Figure 21-13. NRZ Input AC Timing
RRING
RTIP
t
SU
CL
t
t
CP
CH
t
t
HD
t
F
t
R