XRT94L43IB-F Exar Corporation, XRT94L43IB-F Datasheet - Page 244

• Manufacturer Part Number: XRT94L43IB-F
• Description: IC MAPPER SONET/SDH OC12 516BGA
• Manufacturer: Exar Corporation

Specifications of XRT94L43IB-F

• Applications: Network Switches
• Interface: Bus
• Voltage - Supply: 2.5V, 3.3V
• Package / Case: 516-BBGA
• Mounting Type: Surface Mount
• Product: Mapper
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

REV. 1.0.2
STS-3/STM-1 TELECOM BUS INTERFACE - RECEIVE DIRECTION
P
C20
E25
IN
#
STS3RxD_Alarm_0
RxDS3FP_0
TxSTS1FP_0
STS3RxD_Alarm_1
RxDS3FP_1
TxSTS1FP_1
S
IGNAL
N
AME
I/O
O
O
S
CMOS STS-3/STM-1 Receive (Drop) Telecom Bus - Alarm Indica-
CMOS STS-3/STM-1 Receive (Drop) Telecom Bus - Alarm Indica-
T
IGNAL
YPE
tor Output signal - Channel 0; DS3/E3 Frame Synchronizer
Framing Pulse Output Pin - Channel 0:
The function of this output pin depends upon whether or not
theSTS-3/STM-1 Telecom Bus Interface for Channel 0 has
been enabled.
If STS-3/STM-1 Telecom Bus (Channel 0) has been enabled
- STS-3/STM-1 Receive Telecom Bus - Alarm Indicator Out-
put signal:
This output pin pulses "High", coincident with any STS-1 signal
(that is being output via the STS3RXD_D_0[7:0] output pins)
that is carrying an AIS-P indicator.
This output pin is "Low" for all other conditions.
If STS-3/STM-1 Telecom Bus (Channel 0) is disabled -
RxDS3FP_0 (Receive DS3 Frame Pulse Input/Output -
Channel 0):
If the STS-3/STM-1 Telecom Bus (Channel 0) is disabled and if
the DS3/E3 Framer block is enabled then this pin will function
as the Receiving Framing Reference output pin. In this mode,
the Frame Synchronizer block (associated with Channel 0) will
pulse this output pin "High" for one DS3/E3 bit-period, coinci-
dent with the first bit (within a given DS3 or E3 frame) being
output via the DS3/E3/STS1_Data_OUT_0 output pin.
N
tor Output signal - Channel 1; DS3/E3 Frame Synchronizer
Framing Pulse Output Pin - Channel 1:
The function of this output pin depends upon whether or not
theSTS-3/STM-1 Telecom Bus Interface for Channel 1 has
been enabled.
If STS-3/STM-1 Telecom Bus (Channel 1) has been enabled
- STS-3/STM-1 Receive Telecom Bus - Alarm Indicator Out-
put signal:
This output pin pulses "High", coincident with any STS-1 signal
(that is being output via the STS3RXD_D_1[7:0] output pins)
that is carrying an AIS-P indicator.
This output pin is "Low" for all other conditions.
If STS-3/STM-1 Telecom Bus (Channel 1) is disabled -
RxDS3FP_1 (Receive DS3 Frame Pulse Input/Output -
Channel 1):
If the STS-3/STM-1 Telecom Bus (Channel 1) is disabled and if
the DS3/E3 Framer block is enabled then this pin will function
as the Receiving Framing Reference output pin. In this mode,
the Frame Synchronizer block (associated with Channel 1) will
pulse this output pin "High" for one DS3/E3 bit-period, coinci-
dent with the first bit (within a given DS3 or E3 frame) being
output via the DS3/E3/STS1_Data_OUT_1 output pin.
N
238
OTE
OTE
: This pin is inactive if the Frame Synchronizer block,
: This pin is inactive if the Frame Synchronizer block,
associated with Channel 0 is by-passed.
associated with Channel 1 is by-passed.
SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
D
ESCRIPTION
XRT94L43