IDT82V2084PFG8 IDT, Integrated Device Technology Inc, IDT82V2084PFG8 Datasheet - Page 25
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IDT82V2084PFG8
Manufacturer Part Number
IDT82V2084PFG8
Description
IC LINE INTERFC UNIT 4CH 128TQFP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Line Interface Units (LIUs)r
Datasheet
1.IDT82V2084PFG8.pdf
(75 pages)
Specifications of IDT82V2084PFG8
Protocol
E1
Voltage - Supply
3.13 V ~ 3.47 V
Mounting Type
Surface Mount
Package / Case
128-TQFP, 128-VQFP
Screening Level
Industrial
Mounting
Surface Mount
Package Type
TQFP
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Drivers/receivers
-
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
800-1864-2
82V2084PFG8
82V2084PFG8
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT82V2084PFG8
Manufacturer:
IDT, Integrated Device Technology Inc
Quantity:
10 000
QUAD CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
Table-18 LOS Declare and Clear Criteria for Long Haul Mode
3.5.2
the Clock&Data Recovery unit is enabled. The status of AIS detection is
reflected in the AIS_S bit (STAT0, 14H...). In T1/J1 applications, the criteria
for declaring/clearing AIS detection are in compliance with the ANSI
Table-19 AIS Condition
detected
cleared
The Alarm Indication Signal can be detected by the IDT82V2084 when
1=T1/J1
AIS
AIS
T1E1
0=E1
AIS DETECTION
Less than 3 zeros contained in each of two consecutive
512-bit streams are received
3 or more zeros contained in each of two consecutive
512-bit streams are received
1
0
0
1
LAC
(LAC bit is set to ‘0’ by default)
T1.231
G.775
I.431/
I.431 00111
ETSI
Control bit
-
-
-
-
-
-
ITU G.775 for E1
00000
00001
…
10001
…
10101
10110-11111
00000
…
00110
…
01101
01110
…
10001
…
10101
10110-11111
00000
…
00010
00011
…
10000
10001
…
10101(default)
10110-11111
00000
00001
…
01000
01001
…
10101(default)
10110-11111
LOS[4:0]
-4
-6
…
-38
…
-46
-48
-16
-18
…
-30
-32
…
-38
…
-46
-48
-4
…
-8
-10
…
…
-6
…
-20
…
-4
-36
-38
-46
-48
-4
-22
-46
-48
Q (dB)
Level < Q
N=175 bits
Level < Q
N=1544 bits
Level < Q
N=32 bits
N=2048 bits
Level < Q
LOS declare threshold
Less than 3 zeros contained in a 512-bit
stream are received
3 or more zeros contained in a 512-bit
stream are received
(LAC bit is set to ‘1’)
25
ETSI 300233 for E1
T1.231. In E1 applications, the criteria for declaring/clearing AIS detection
comply with the ITU G.775 or the ETSI 300233, as selected by the LAC bit
(MAINT0, 0AH...).
Declaring/Clearing.
Level > Q+ 4dB
M=128 bits
12.5% mark density
<100 consecutive zeroes
Level > Q+ 4dB
M=128 bits
12.5% mark density
<100 consecutive zeroes
Level > Q+ 4dB
M=32 bits
12.5% mark density
<16 consecutive zeroes
Level > Q+ 4dB
M=32 bits
12.5% mark density
<16 consecutive zeroes
LOS clear threshold
Table-19
Less than 9 zeros contained in an 8192-bit stream
(a ones density of 99.9% over a period of 5.3ms)
9 or more zeros contained in an 8192-bit stream
are received
summarizes different criteria for AIS detection
I.431 Level detect range is -18 to -30 dB.
G.775 Level detect range is -9 to -35 dB.
I.431 Level detect range is -6 to -20 dB.
ANSI T1.231 for T1/J1
TEMPERATURE RANGES
Note
INDUSTRIAL