XRT86L30
SINGLE T1/E1/J1 FRAMER/LIU COMBO
REV. 1.0.1
AC ELECTRICAL CHARACTERISTICS TRANSMIT FRAMER
Test Conditions: TA = 25°C, VDD = 3.3V + 5% unless otherwise specified
S
YMBOL
P
ARAMETER
M
IN
.
TYP
.
MAX
.
U
NITS
C
ONDITIONS
t1
TxMSYNC Setup Time (Falling Edge TxSERCLK)
TxMSYNC Hold Time (Falling Edge TxSERCLK)
TxSYNC Setup Time (Falling Edge TxSERCLK)
TxSYNC Hold Time (Falling Edge TxSERCLK)
TxSER Setup Time (Falling Edge TxSERCLK)
TxSER Hold Time (Falling Edge TxSERCLK)
Rising Edge of TxSERCLK to Rising Edge of TxCHCLK
Rising Edge of TxCHCLK to Valid TxCHN[4:0] Data
TxSIG Setup Time (Falling Edge TxSERCLK)
TxSIG Hold Time (Falling Edge TxSERCLK)
TxFRACT Setup Time (Falling Edge TxSERCLK)
TxFRACT Hold Time (Falling Edge TxSERCLK)
5
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
t2
t3
1
5
1
5
1
t4
t5
t6
t7
11
t8
6
t9
5
1
5
1
t10
t11
t12
F
IGURE 114. FRAMER
t1
t3
S
YSTEM
TRANSMIT
TIMING
D
IAGRAM
t2
t4
TxMSYNC
TxSYNC
TxSERCLK
t5
t6
TxSER
t7
TxCHCLK
(Output)
t8
TxCHN[4:0]
(Output)
t9
t10
t12
TxCHN_0
(TxSIG)
B
A
C
D
t11
TxCHN_1
(TxFRACT)
263
EXAR [ EXAR CORPORATION ]
