XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 43
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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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REV. 1.0.1
PIN DESCRIPTION OF THE XRT94L31 (REV. B)
PIN #
D13
TXHDLCDAT_0_2
TXCELLTXED_0
STS1TXA_0_D2
SIGNAL NAME
I/O
I
TTL/
CMOS
TYPE
Transmit STS-1 Telecom Bus Interface - Channel 0 - Data Bus Input
pin number 2/Transmit High-Speed HDLC Controller Input Interface
block - Channel 0 - Input Data Bus - Pin 2:
The function of this pin depends upon whether or not the STS-1 Telecom
Bus Interface, associated with Channel 0 is enabled.
If STS-1 Telecom Bus (Channel 0) has been enabled - Transmit STS-
1 Telecom Bus Interface - Input Data Bus pin number 2 -
STS1TXA_0_D2:
This input pin along with STS1TXA_0_D[7:3] and STS1TXA_0_D[1:0]
function as the Transmit (Add) STS-1 Telecom Bus Interface - Input Data
Bus for Channel 0. The Transmit STS-1 Telecom Bus interface will sam-
ple and latch this pin upon the falling edge of STS1TXA_CLK_0.
If the STS-1 Telecom Bus Interface (associated with Channel 0) has
been disabled.
This input pin can function in either of the following roles, depending
upon which mode the XRT94L31 has been configured to operate in, as
described below.
If the XRT94L31 has been configured to operate in the High-Speed
HDLC Controller over DS3/STS-3 Mode - Transmit High-Speed
HDLC Controller Input Interface block - Channel 0 - Data Bus Input
pin # 2 - TXHDLCDAT_0_2:
If the XRT94L31 is configured to operate in the High-Speed HDLC Con-
troller over DS3/STS-3 Mode, then this input pin will function as Bit 1
within the Transmit High-Speed HDLC Controller Input Interface block -
Input Data Bus (e.g., the TxHDLCDat_0[7:0] input pins).
The Transmit High-Speed HDLC Controller Input Interface block will pro-
vide the System-Side Terminal equipment with a byte-wide Transmit
High-Speed HDLC Controlller clock output signal (TxHDLCClk_0). The
Transmit High-Speed HDLC Controller Input Interface block will sample
the data residing on this input pin (along with the rest of the
TxHDLCDat_0[7:0] input pins) upon the rising edge of the TxHDLCClk_0
clock output signal.
If the XRT94L31 has been configured to operate in the ATM UNI
Mode - TXCELLTXED_0 (Cell Transmitted - Channel 0)
This input pin will only function in this role if the XRT94L31 has been
configured to operate in the ATM UNI Mode.
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC
43
DESCRIPTION
XRT94L31
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