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IDT82V2048S Datasheet(PDF) 2 Page - Integrated Device Technology

Part No. IDT82V2048S
Description  OCTAL T1/E1 SHORT HAUL LINE INTERFACE UNIT WITH SINGLE ENDED OPTION
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT82V2048S Datasheet(HTML) 2 Page - Integrated Device Technology

 
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IDT82V2048S OCTAL T1/E1 SHORT HAUL LIU WITH SINGLE ENDED OPTION
INDUSTRIAL TEMPERATURE RANGES
DESCRIPTION
The IDT82V2048S is a single chip, 8-channel T1/E1 short haul PCM
transceiver with a reference clock of 1.544 MHz (T1) or 2.048 MHz (E1).
The IDT82V2048S contains 8 transmitters and 8 receivers.
All the receivers and transmitters can be programmed to work either
in Single Rail mode or Dual Rail mode. B8ZS/HDB3 or AMI 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 inte-
grated 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.
A jitter attenuator is integrated in the IDT82V2048S and can be
switched into either the transmit path or the receive path for all channels.
The jitter attenuation performance meets ETSI CTR12/13, ITU G.736,
G.742, G.823, and AT&T Pub 62411 specifications.
The IDT82V2048S offers hardware control mode and software
control mode. Software control mode works with either serial host inter-
face or parallel host interface. The latter works via an Intel/Motorola
compatible 8-bit parallel interface for both multiplexed or non-multi-
plexed applications. Hardware control mode uses multiplexed pins to
select different operation modes when the host interface is not available
to the device.
The IDT82V2048S also provides loopback and JTAG boundary scan
testing functions. Using the integrated monitoring function, the
IDT82V2048S can be configured as a 7-channel transceiver with non-
intrusive protected monitoring points.
The IDT82V2048S can be used for SDH/SONET multiplexers,
central office or PBX, digital access cross connects, digital radio base
stations, remote wireless modules and microwave transmission
systems.
PIN CONFIGURATIONS
Figure-2 TQFP144 Package Pin Assignment
IDT82V2048S
(Top View)
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
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
BPVI4/TDN4
RCLK4
RD4/RDP4
CV4/RDN4
LOS4
OE
CLKE
VDDT4
TTIP4
TRING4
GNDT4
RTIP4
RRING4
GNDT5
TRING5
TTIP5
VDDT5
RRING5
RTIP5
VDDT6
TTIP6
TRING6
GNDT6
RTIP6
RRING6
GNDT7
TRING7
TTIP7
VDDT7
RRING7
RTIP7
LOS7
CV7/RDN7
RD7/RDP7
RCLK7
BPVI7/TDN7


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