Datasheet

DS21348/DS21Q348
72 of 76
Table 11-5. AC Characteristics—Transmit Side
(V
DD
= 3.3V ± 5%, T
A
= -40°C to +85°C.) (Figure 11-10)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
488 ns 1
TCLK Period t
CP
648 ns 2
t
CH
75 ns
TCLK Pulse Width
t
CL
75 ns
TPOS/TNEG Setup to TCLK
Falling or Rising
t
SU
20 ns
TPOS/TNEG Hold from TCLK
Falling or Rising
t
HD
20 ns
TCLK Rise and Fall Times t
R
, t
F
25 ns
NOTES:
1) E1 mode.
2) T1 or J1 mode.
Figure 11-10. Transmit Side Timing
t
F
t
R
TPOS, TNEG
t
CL
t
CH
CP
t
HD
t
SU
TCLK
1
t
TCLK
2
NOTE 1: TCES = 0 (CCR2.1) or CES = 0.
NOTE 2: TCES = 1 (CCR2.1) or CES = 1.