XRT91L30ES Exar, XRT91L30ES Datasheet - Page 26

• Manufacturer Part Number: XRT91L30ES
• Description: Bus Transceivers
• Manufacturer: Exar

Specifications of XRT91L30ES

• Product Category: Bus Transceivers
• Rohs: yes

XRT91L30
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
When applying parallel data input to the transmitter, the setup and hold times should be followed as shown in
Figure 12
F
3.2
IGURE
XRT91L30 Device
Transmit Parallel
a.
Clock driven by
t
t
TXPCLK_IO
TXPCLK_IO
t
t
t
t
TXPCLK_IO
S
S
TXDI_SU
TXDI_HD
TXDI_SU
TXDI_HD
TXDI[7:0]
12. T
Transmit Parallel Data Input Timing
YMBOL
YMBOL
and
RANSMIT
Table
T
T
ABLE
ABLE
11,
Transmit Clock Output period
Transmit data setup time with respect to TXPCLK_IO
Transmit data hold time with respect to TXPCLK_IO
Transmit Clock Output period
Transmit data setup time with respect to TXPCLK_IO
Transmit data hold time with respect to TXPCLK_IO
P
11: T
12: T
ARALLEL
Table
RANSMIT
RANSMIT
12.
I
NPUT
P
P
ARALLEL
ARALLEL
T
IMING
P
P
Transmit Parallel Clock Output
t
TXDI_SU
ARAMETER
ARAMETER
D
D
ATA
a
ATA
t
TXPCLK_IO
I
I
NPUT
NPUT
22
T
T
IMING
IMING
(STS-12/STM-4 O
(STS-3/STM-1 O
t
TXDI_HD
M
M
2.0
1.0
2.0
1.0
IN
IN
PERATION
PERATION
12.86
51.44
T
T
YP
YP
).
)
M
M
AX
AX
REV. 1.0.2
ns
ns
ns
ns
ns
ns
U
U
NITS
NITS