XRT94L31IB Exar Corporation, XRT94L31IB Datasheet - Page 115

• Manufacturer Part Number: XRT94L31IB
• Description: IC MAPPER DS3/E3/STS-1 504TBGA
• Manufacturer: Exar Corporation

Specifications of XRT94L31IB

• Applications: Network Switches
• Interface: Bus
• Voltage - Supply: 3.14 V ~ 3.47 V
• Package / Case: 504-LBGA
• Mounting Type: Surface Mount
• Product: Mapper
• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant

REV. 1.0.1
Figure 18
STM-0 Telecom Bus Interface along with the timing parameter (t12).
N
In the Receive STS-1/STM-0 Telecom Bus Interface, all of the signals (which are output via this Bus Interface)
are updated upon the rising edge of RxD_CLK (19.44MHz clock signal).
Figure 19
STM-0 Telecom Bus Interface, associated with Channel 0, whenever it is configured to operate in the STS-3/
STM-1 Mode.
F
STM-0 T
1.4.3
S
OTE
IGURE
YMBOL
t12
: The value for t12 can be found in
18. A
ELECOM
RxD_CLK
RxD_C1J1
RxD_D[7:0]
Rising edge of RxD_CLK to updates in RxD_D[7:0], RxD_PL, RxD_C1J1,
RxD_ALARM and RxD_DP
The Receive STS-1/STM-0 Telecom Bus Interface Timing (for Channel 0 when configured to
operate in the STS-3/STM-1 Mode)
presents an illustration of the waveforms of the signals that will be output via the Receive STS-1/
T
presents an illustration of the waveforms of the signals that will be output via the Receive STS-1/
RxD_PL
ABLE
N
I
LLUSTRATION OF THE
B
19: T
US
I
NTERFACE
IMING
A2
I
NFORMATION FOR THE
t12
Table 19
W
C1
D
AVEFORMS OF THE
ESCRIPTION
.
C1
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
R
ECEIVE
115
S
IGNALS THAT ARE OUTPUT VIA THE
STS-1/STM-0 T
J1
Data
ELECOM
M
0ns
IN
B
.
US
J1
I
NTERFACE
R
T
YP
ECEIVE
XRT94L31
.
STS-1/
9.4ns
M
AX
.