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Eight channel T1/E1/J1 long haul/short haul line interfaces

Supports HPS (Hitless Protection Switching) for 1+1 protection

without external relays

Receiver sensitivity exceeds -36 dB@772KHz and -43 dB@1024

KHz

Programmable T1/E1/J1 switchability allowing one bill of ma-

terial for any line condition

Single 3.3 V power supply with 5 V tolerance on digital interfaces

Meets or exceeds specifications in

-

ANSI T1.102, T1.403 and T1.408

- ITU I.431, G.703,G.736, G.775 and G.823

- ETSI 300-166, 300-233 and TBR 12/13

- AT&T Pub 62411

Per channel software selectable on:

- Wave-shaping templates for short haul and long haul LBO (Line Build

Out)

- Line terminating impedance (T1:100

鈩?

J1:110

鈩?

E1:75

鈩?120 鈩?

- Adjustment of arbitrary pulse shape

- JA (Jitter Attenuator) position (receive path or transmit path)

- Single rail/dual rail system interfaces

-

B8ZS/HDB3/AMI line encoding/decoding

- Active edge of transmit clock (TCLK) and receive clock (RCLK)

Active level of transmit data (TDATA) and receive data (RDATA)

Receiver or transmitter power down

High impedance setting for line drivers

PRBS (Pseudo Random Bit Sequence) generation and detection

with 2

15

-1 PRBS polynomials for E1

- QRSS (Quasi Random Sequence Signals) generation and detection

with 2

20

-1 QRSS polynomials for T1/J1

- 16-bit BPV (Bipolar Pulse Violation)/Excess Zero/PRBS or QRSS

error counter

- Analog loopback, Digital loopback, Remote loopback and Inband

loopback

Per channel cable attenuation indication

Adaptive receive sensitivity

Non-intrusive monitoring per ITU G.772 specification

Short circuit protection for line drivers

LOS (Loss Of Signal) & AIS (Alarm Indication Signal) detection

JTAG interface

Supports serial control interface, Motorola and Intel Non-Multi-

plexed interfaces

Package:

IDT82V2088: 208-pin PQFP and 208-pin PBGA

-

鈥?/div>

DESCRIPTION:

The IDT82V2088 can be configured as an octal T1, octal E1 or octal J1

Line Interface Unit. In receive path, an Adaptive Equalizer is integrated to

remove the distortion introduced by the cable attenuation. The IDT82V2088

also performs clock/data recovery, AMI/B8ZS/HDB3 line decoding and

detects and reports the LOS conditions. In transmit path, there is an AMI/

B8ZS/HDB3 encoder, Waveform Shaper and LBOs. There is one Jitter

Attenuator for each channel, which can be placed in either the receive path

or the transmit path. The Jitter Attenuator can also be disabled. The

IDT82V2088 supports both Single Rail and Dual Rail system interfaces and

both serial and parallel control interfaces. To facilitate the network mainte-

nance, a PRBS/QRSS generation/detection circuit is integrated in each

channel, and different types of loopbacks can be set on a per channel basis.

Four different kinds of line terminating impedance, 75鈩? 100

鈩?

110

鈩?/div>

and

120

鈩?/div>

are selectable on a per channel basis. The chip also provides driver

short-circuit protection and supports JTAG boundary scanning.

The IDT82V2088 can be used in SDH/SONET, LAN, WAN, Routers,

Wireless Base Stations, IADs, IMAs, IMAPs, Gateways, Frame Relay

Access Devices, CSU/DSU equipment, etc.

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

INDUSTRIAL TEMPERATURE RANGES

1

July 2004

DSC-6043/5

錚?/div>

標(biāo)準(zhǔn)包裝
10
類別
集成電路 (IC)
家庭
接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器
系列
-
類型
線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)
-
規(guī)程
E1
電源電壓
3.13 V ~ 3.47 V
安裝類型
表面貼裝
封裝/外殼
208-BGA
供應(yīng)商設(shè)備封裝
208-PBGA（17x17）
包裝
托盤
其它名稱
82V2088BB

IDT82V2088BB相關(guān)型號(hào)PDF文件下載

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