Datasheet

DS26504 T1/E1/J1/64KCC BITS Element
126 of 129
20.5 Transmit Side AC Characteristics
Table 20-5. Transmit Side AC Characteristics
(V
DD
= 3.3V ±5%, T
A
= -40°C to +85°C.) (Note 1) (Figure 20-11)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
488 ns 2
648 ns 3
15.6
μs
4
TCLK Period t
CP
158.4 ns 5
t
CH
75 ns
TCLK Pulse Width
t
CL
75 ns
TCLK Rise and Fall Times t
R
, t
F
25 ns
TX CLOCK Setup to TSER,
TS_8K_4
t
SU
20 ns 6, 7
Delay TX CLOCK to TS_8K_4 t
D2
50 ns 7, 8
Delay TCLK to PLL_OUT,
TX CLOCK
t
D3
20 ns 7, 9
Delay TCLKO to TPOSO and
TNEGO
t
DD
50 ns
Note 1:
The timing parameters in this table are guaranteed by design (GBD).
Note 2:
E1 mode.
Note 3:
T1 or J1 mode.
Note 4:
64KCC mode.
Note 5:
6312kHz mode.
Note 6:
TS_8K_4 in input mode.
Note 7:
TX CLOCK is an internal signal.
Note 8:
TS_8K_4 in output mode.
Note 9:
TX CLOCK is an internal signal that samples TSER and TS_8K_4 when TS_8K_4 is in input mode.