S/UNI®-JET Data Sheet
Released
Table 53 Transmit Interface Timing (Figure 80)
Symbol
Description
TICLK Frequency:
Min
Typ
Max
Units
f
TICLK
DS3 Framer (TFRM[1:0] = 00)
E3 Framer (TFRM[1:0] = 01)
J2 Framer (TFRM[1:0] = 10)
framer bypass (TFRM[1:0] = 11)
TICLK minimum pulse width low:
52
35
7
MHz
52
t0
t1
TICLK
TICLK
DS3 Framer (TFRM[1:0] = 00)
E3 Framer (TFRM[1:0] = 01)
J2 Framer (TFRM[1:0] = 10)
framer bypass (TFRM[1:0] = 11)
TICLK minimum pulse width high:
7.7
11
57
ns
ns
7.7
DS3 Framer (TFRM[1:0] = 00)
E3 Framer (TFRM[1:0] = 01)
J2 Framer (TFRM[1:0] = 10)
framer bypass (TFRM[1:0] = 11)
TIOHM/TFPI/TMFPI to TICLK Set-up Time
7.7
11
57
7.7
5
tS
TIOHM
tH
ns
ns
ns
ns
ns
TIOHM/TFPI/TMFPI to TICLK Hold Time
TDATI to TICLK Set-up Time
1
5
1
5
TIOHM
TDATI
tS
tH
TDATI to TICLK Hold Time
TDATI
tS
TIOHM/TFPI/TMFPI to RCLK Set-up Time
(LOOPT=1)
LTIOHM
tH
TIOHM/TFPI/TMFPI to RCLK Hold Time
1
ns
LTIOHM
(LOOPT=1)
tS
tH
TDATI to RCLK Set-up Time (LOOPT=1)
TDATI to RCLK Hold Time (LOOPT=1)
5
1
2
ns
ns
ns
LTDATI
LTDATI
TFPO
tP
TICLK to TFPO/TMFPO[x] Prop Delay, or RCLK
to TFPO/TMFPO Prop Delay when loop timing
is used.
16
tS
TDATI to TGAPCLK Set-up Time
3
2
ns
ns
ns
ns
ns
ns
ns
ns
TGAP
tH
TDATI to TGAPCLK Hold Time
TGAP
tW
4
REF8KI pulse width
TOH to TOHCLK Set-Up Time
15
REF8KI
TOH
tS
tH
20
20
20
20
-15
TOH to TOHCLK Hold Time
TOH
tS
TOHINS to TOHCLK Set-Up Time
TOHINS to TOHCLK Hold Time
TOHCLK to TOHFP Prop Delay
TOHINS
tH
TOHINS
TOHFP
tP
20
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-1990267, Issue 3
329
PMC [ PMC-SIERRA, INC ]
