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參數(shù)資料
| 型號(hào)： | IDT82P2816BBG |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 110/146頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LINE INTERFACE UNIT 416-PBGA |
| 標(biāo)準(zhǔn)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： | 416-BGA |
| 供應(yīng)商設(shè)備封裝： | 416-PBGA（27x27） |
| 包裝： | 托盤 |
| 包括： | 缺陷和警報(bào)檢測(cè)，驅(qū)動(dòng)器過流檢測(cè)和保護(hù)，LLOS 檢測(cè)，PRBSARB / IB 檢測(cè)和生成 |
| 產(chǎn)品目錄頁(yè)面： | 1259 (CN2011-ZH PDF) |
| 其它名稱： | 800-1702 82P2816BBG |
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IDT82P2816
16(+1) CHANNEL HIGH-DENSITY T1/E1/J1 LINE INTERFACE UNIT
Miscellaneous
66
February 6, 2009
4.3
POWER UP
No power up sequencing for the VDD inputs (1.8 V and 3.3 V) has to
be provided for the IDT82P2816. A Power-on reset will be initiated
during power up. Refer to Section 4.1 Reset.
4.4
HITLESS PROTECTION SWITCHING (HPS) SUM-
MARY
In today’s telecommunication systems, ensuring no traffic loss is
becoming increasingly important. To combat these problems, redun-
dancy protection must be built into the systems carrying this traffic.
There are many types of redundancy protection schemes, including 1+1
and 1:1 hardware protection without the use of external relays. Refer to
The IDT82P2816 provides an enhanced architecture to support both
protection schemes.
IDT82P2816 highlights for HPS support:
Independent programmable receive and transmit high impedance
for Tip and Ring inputs and outputs to support 1+1 and 1:1 redun-
dancy
Fully integrated receive termination, required to support 1:1 redun-
dancy
Enhanced internal architecture to guarantee High Impedance for
Tip and Ring Inputs and Outputs during Power Off or Power Fail-
ure
Asynchronous hardware control (OE, RIM) for fast global high
impedance of receiver and transmitter (hot switching between
working and backup board)
Figure-42 1+1 HPS Scheme, Differential Interface (Shared Common Transformer)
1:2
Tx
LIU on primary line card
LIU on backup line card
backplane
interface card
1:1
Tx
Rx
120
OE
RIM
OE
RIM
Hot switch control
VDDTn
VDDTn
VDDRn
VDDRn
VDDTn
VDDTn
VDDRn
VDDRn
Rx:
Partially Internal Impedance Matching mode. A fixed external 120
resistor is placed on the backplane and provides a common termination for
T1/J1/E1 applications. The R_TERM[2:0] bits (b2~0, RCF0,...) setting is as follows: ‘000’ for T1 100
twisted pair cable, ‘001’ for J1 110 twisted
pair cable, ‘010’ for E1 120
twisted pair cable and ‘011’ for E1 75 coaxial cable.
Tx:
Internal Impedance Matching mode. The
T_TERM[2:0] bits (b2~0, TCF0,...) setting is as follows: ‘000’ for T1 100 twisted pair cable, ‘001’
for J1 110
twisted pair cable, ‘010’ for E1 120 twisted pair cable and ‘011’ for E1 75 coaxial cable.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT82P2821 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:21(+1) Channel High-Density T1/E1/J1 Line Interface Unit |
| IDT82P2821BH | 功能描述:IC LIU T1/J1/E1 21+1CH 640-PBGA RoHS:否 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| IDT82P2821BHG | 功能描述:IC LINE INTERFACE UNIT 640-PBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 電信 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS 產(chǎn)品變化通告:Product Discontinuation 06/Feb/2012 標(biāo)準(zhǔn)包裝:750 系列:* |
| IDT82P2828 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:28(+1) Channel High-Density T1/E1/J1 Line Interface Unit |
| IDT82P2828BH | 功能描述:IC LIU T1/J1/E1 28+1CH 640-PBGA RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
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