XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 18
XRT94L33IB-L
Manufacturer Part Number
XRT94L33IB-L
Description
IC MAPPER DS3/E3/STS-1 504TBGA
Manufacturer
Exar Corporation
Specifications of XRT94L33IB-L
Applications
Network Switches
Interface
Bus
Voltage - Supply
3.14 V ~ 3.47 V
Package / Case
504-LBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L33IB-L
Manufacturer:
Exar Corporation
Quantity:
10 000
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XRT94L33
Rev.1.2.0.
W2
G3
D1
H4
D2
F3
E3
J4
J5
TxAPSDat0
TxAPSDat1
TxAPSDat2
TxAPSDat3
TxAPSDat4
TxAPSDat5
TxAPSDat6
TxAPSDat7
RxD_CLK/
RxAPSClk
TxA_D0/
TxA_D1/
TxA_D2/
TxA_D3/
TxA_D4/
TxA_D5/
TxA_D6/
TxA_D7/
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
STS-3/STM-1 T
I/O
I/O
O
O
I
I
CMOS/
CMOS
CMOS
CMOS
TTL/
TTL
TTL
TTL
ELECOM
B
Transmit STS-3/STM-1 Telecom Bus Interface – Transmit
Output Data Bus pins:
These 8 output pins function as the “Transmit STS-3/STM-1
Telecom Bus Interface” – Data bus output pins. If the STS-
3/STM-1 Telecom Bus Interface is enabled, then all “outbound”
STS-3/STM-1 data is output via these pins (in a byte-wide
manner), upon the rising edge of the “TXA_CLK” output clock
signal.
Transmit Payload APS Bus Interface – Data Input/Output
pins:
These pins can only be configured to operate in this function/role
if the XRT94L33 has been configured to operate in the “ATM
UNI” or “PPP over STS-3c” Mode.
Receive STS-3/STM-1 Telecom Bus Interface - Clock Input
Signal:
This input clock signal functions as the clock source for the
Receive STS-3/STM-1 Telecom Bus Interface block. All input
signals are sampled upon the falling edge of this input clock
signal.
This clock signal should operate at 19.44MHz.
Note:
Receive Payload APS Bus Interface - Clock input/output
signal:
This input can only be configured to operate in this role/function
if the XRT94L33 has been configured to operate in either the
“ATM UNI” or “PPP over STS-3c” Mode.
US
I
NTERFACE
18
This input pin is only used if the “STS-3/STM-1 Telecom
Bus” has been enabled. It should be connected to
GND otherwise.
– R
ECEIVE
D
IRECTION
xr
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