XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 105
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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3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
F7
D5
D3
E7
F5
F4
REFCLK45
REFCLK34
REFCLK51
TRST
TDO
TDI
I
O
I
I
I
I
TTL
CMOS
TTL
TTL
TTL
TTL
B
C
OUNDARY
LOCK
Test Data Out: Boundary Scan Test data output
T
Note:
JTAG Test Reset Input
EST
E3 Reference Clock Input for the Jitter Attenuator within
the DS3/E3 Mapper Block:
To operate any of the channels (within the XRT94L33) in the
E3 Mode, apply a clock signal with a frequency of
34.368±20ppm to this input pin.
This input pin functions as the timing reference for the
DS3/E3/STS-1 Jitter Attenuator (within the DS3/E3 Mapper
block) for E3 applications.
Note:
STS-1 Reference Clock Input for the Jitter Attenuator
within the DS3/E3 Mapper Block.
To operate any of the channels (within the XRT94L33) in the
STS-1/STM-0 Mode, apply a clock signal with a frequency of
51.84MHz±20ppm to this input pin.
This input pin functions as the timing reference for the
DS3/E3/STS-1 Jitter Attenuator (within the DS3/E3 Mapper
block) for STS-1 applications.
Notes:
If the user intends to operate the XRT94L33 in the SFM Mode,
apply a 12.288MHz
If the user does not intend to operate any of the channels in
the STS-1/STM-0 Mode, connect this input pin to GND.
DS3 Reference Clock Input for the Jitter Attenuator within
the DS3/E3 Mapper Block:
To operate any of the channels of the XRT94L33 in the DS3
Mode, apply a clock signal with a frequency of 44.736±20ppm
to this input pin.
This input pin functions as the timing reference for the
DS3/E3/STS-1 Jitter Attenuator (within the DS3/E3 Mapper
block) for DS3 applications.
If the user does not intend to operate any of the three (3)
channels within the XRT94L33 in the DS3 Mode, or if the user
intends to configure the XRT94L33 to operate in the SFM
Mode, then tie this input pin to GND.
105
I
Data In: Boundary Scan Test data input
NPUTS
S
This input pin should be pulled “Low” for normal
CAN
operation.
Connect this pin to GND if none of the channels of
the XRT94L33 are to be operated in the E3 or if the
XRT94L33 is to be operated in the SFM mode.
±
20ppm clock signal to this input pin.
XRT94L33
Rev.1.2.0.
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