IDT82V2048 Integrated Device Technology, Inc., IDT82V2048 Datasheet - Page 2
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IDT82V2048
Manufacturer Part Number
IDT82V2048
Description
Manufacturer
Integrated Device Technology, Inc.
Datasheet
1.IDT82V2048.pdf
(61 pages)
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IDT82V2048 OCTAL T1/E1 SHORT HAUL LINE INTERFACE UNIT
DESCRIPTION:
transceiver with a reference clock of 1.544MHz (T1) or 2.048MHz (E1).
It contains 8 transmitters and 8 receivers.
either in single rail mode or dual rail mode. AMI or HDB3/B8ZS encoder/
decoder is selectable in single rail mode. Pre-encoded transmit data in
NRZ format can be accepted when the device is configured in dual rail
mode. The receivers perform clock and data recovery by using
integrated digital phase-locked loop. As an option, the raw sliced data
(no retiming) can be output on the receive data pins. Transmit
equalization is implemented with low-impedance output drivers that
provide shaped waveforms to the transformer, guaranteeing template
conformance.
switched into either the transmit path or the receive path for all chan-
PIN CONFIGURATIONS
The IDT82V2048 is a single chip, 8-channel T1/E1 short haul PCM
Both the receivers and transmitters can be programmed to work
A jitter attenuator is integrated in the IDT82V2048 and can be
BPVI4/TDN4
BPVI7/TDN7
RD4/RDP4
CV4/RDN4
CV7/RDN7
RD7/RDP7
RRING4
RRING5
RRING6
RRING7
TRING4
TRING5
TRING6
TRING7
RCLK4
GNDT4
GNDT5
GNDT6
GNDT7
RCLK7
VDDT4
VDDT5
VDDT6
VDDT7
RTIP4
RTIP5
RTIP6
RTIP7
CLKE
TTIP4
TTIP5
TTIP6
TTIP7
LOS4
LOS7
OE
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Figure - 2a. TQFP Package Pin Assignment
IDT
82V2048DA
2
nels. The jitter attenuation performance meets ETSI CTR12/13, ITU
G.736, G.742, G.823, and AT&T Pub 62411 specifications.
mode. Software control mode works with either serial host interface or
parallel host interface. The latter works via an Intel/Motorola compatible
8-bit parallel interface for both multiplexed or non-multiplexed applica-
tions. Hardware control mode uses multiplexed pins to select differ-
ent operation modes when the host interface is not available to the
device.
testing functions. Using the integrated monitoring function, the
IDT82V2048 can be configured as a 7-channel transceiver with non-in-
trusive protected monitoring points.
office or PBX, digital access cross connects, digital radio base stations,
remote wireless modules and microwave transmission systems.
The IDT82V2048 offers hardware control mode and software control
The IDT82V2048 also provides loopback and JTAG boundary scan
The IDT82V2048 can be used for SDH/SONET multiplexers, central
INDUSTRIAL TEMPERATURE RANGES
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BPVI3/TDN3
RCLK3
RD3/RDP3
CV3/RDN3
LOS3
RTIP3
RRING3
VDDT3
TTIP3
TRING3
GNDT3
RRING2
RTIP2
GNDT2
TRING2
TTIP2
VDDT2
RTIP1
RRING1
VDDT1
TTIP1
TRING1
GNDT1
RRING0
RTIP0
GNDT0
TRING0
TTIP0
VDDT0
MODE1
LOS0
CV0/RDN0
RD0/RDP0
RCLK0
BPVI0/TDN0
TD0/TDP0