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參數(shù)資料
型號： IDT82P2821BH
廠商： IDT, Integrated Device Technology Inc
文件頁數(shù)： 29/151頁
文件大小： 0K
描述： IC LIU T1/J1/E1 21+1CH 640-PBGA
標準包裝： 5
功能： 線路接口單元（LIU）
接口： E1，J1，T1
電路數(shù)： 1
電源電壓： 1.8V, 3.3V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 640-BGA 裸露焊盤
供應商設(shè)備封裝： 640-PBGA-EP（31x31）
包裝： 托盤
包括： 缺陷和警報檢測，驅(qū)動器過流檢測和保護，LLOS 檢測，PRBSARB / IB 檢測和生成
其它名稱： 82P2821BH
IDT82P2821
21(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Physical And Electrical Specifications
124
February 6, 2009
8.4
DEVICE POWER CONSUMPTION AND DISSIPATION (MAXIMUM) 1
Mode
Parameter
Total Consumption (W)
Total Device Power Dissipation
(for Thermal Consideration, W)
1.89 V
3.47 V
Total
Fully Internal
R120IN=1 2
Partially Internal
R120IN=0 3
External 4
E1/120
PRBS
0.27
2.39
2.66
2.09
1.71
100% ones
0.28
3.20
3.48
2.64
2.07
E1/75
PRBS
0.27
2.55
2.82
2.47
1.71
100% ones
0.27
3.50
3.78
3.26
2.12
T1/100
QRSS
0.22
2.64
2.86
2.38
2.28
100% ones
0.22
3.88
4.09
3.33
3.18
J1/110
QRSS
0.22
2.57
2.78
2.30
2.25
100% ones
0.22
3.68
3.90
3.13
3.06
Note:
1. Test conditions: VDDx (maximum) at 85 °C operating temperature (ambient).
2. The transmitter is in Internal Impedance Matching mode and the receiver is in Fully Internal Impedance Matching mode. That is, the R120IN bit (b4, RCF0,...) is set to ‘1’. And the
T_TERM[2:0] bits (b2~0, TCF0,...) and R_TERM[2:0] bits (b2~0, RCF0,...) are set according to different cable conditions.
3. The transmitter is in Internal Impedance Matching mode and the receiver is in Partially Internal Impedance Matching mode. That is, the R120IN bit (b4, RCF0,...) is set to ‘0’. And the
T_TERM[2:0] bits (b2~0, TCF0,...) and R_TERM[2:0] bits (b2~0, RCF0,...) are set according to different cable conditions.
4. For E1 mode, both the transmitter and the receiver are in External Impedance Matching mode. That is, the T_TERM[2:0] bits (b2~0, TCF0,...) are set to ‘111’ and the R_TERM[2:0]
bits (b2~0, RCF0,...) are set to ‘1xx’. For T1/J1 mode, as the transmitter External Impedance Matching mode is not supported, the transmitter is in Internal Impedance Matching mode
and the receiver is in Internal Impedance Matching mode. That is, the T_TERM[2:0] bits (b2~0, TCF0,...) are set according to different cable conditions and the R_TERM[2:0] bits
(b2~0, RCF0,...) are set to ‘1xx’.
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