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IDT82V2044 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT - IDT

भाग संख्या IDT82V2044
समारोह QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT
मैन्युफैक्चरर्स IDT 
लोगो IDT लोगो 
पूर्व दर्शन
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IDT82V2044 pdf
IDT82V2044
DESCRIPTION
The IDT82V2044 is a single chip, 4-channel T1/E1 short haul PCM
transceiver with a reference clock of 1.544 MHz (T1) or 2.048 MHz (E1).
The IDT82V2044 contains 4 transmitters and 4 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 IDT82V2044 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.
QUAD T1/E1 SHORT HAUL LINE INTERFACE UNIT
The IDT82V2044 offers hardware control mode and software control
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 different
operation modes when the host interface is not available to the device.
The IDT82V2044 also provides loopback and JTAG boundary scan
testing functions. Using the integrated monitoring function, the
IDT82V2044 can be configured as a 4-channel transceiver with non-
intrusive protected monitoring points.
The IDT82V2044 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
GNDIO
DNC
DNC
DNC
DNC
OE
CLKE
VDDT
DNC
DNC
GNDT
DNC
DNC
GNDT
DNC
DNC
VDDT
DNC
DNC
VDDT
DNC
DNC
GNDT
DNC
DNC
GNDT
DNC
DNC
VDDT
DNC
DNC
DNC
DNC
DNC
DNC
GNDIO
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
IDT82V2044
(Top View)
72 BPVI3/TDN3
71 RCLK3
70 RD3/RDP3
69 CV3/RDN3
68 LOS3
67 RTIP3
66 RRING3
65 VDDT
64 TTIP3
63 TRING3
62 GNDT
61 RRING2
60 RTIP2
59 GNDT
58 TRING2
57 TTIP2
56 VDDT
55 RTIP1
54 RRING1
53 VDDT
52 TTIP1
51 TRING1
50 GNDT
49 RRING0
48 RTIP0
47 GNDT
46 TRING0
45 TTIP0
44 VDDT
43 MODE1
42 LOS0
41 CV0/RDN0
40 RD0/RDP0
39 RCLK0
38 BPVI0/TDN0
37 TD0/TDP0
Description
Figure-2 TQFP144 Package Pin Assignment
2
September 22, 2005

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अनुशंसा डेटापत्रक

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