Datasheet > DS250DF230RTVT

DS250DF230RTVT

更新时间： 2024-11-24 02:50:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
105页	2771K
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DS250DF230 25-Gbps Multi-Rate 2-Channel Retimer

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DS250DF230

SNLS590B –AUGUST 2018–REVISED OCTOBER 2019

DS250DF230 25-Gbps Multi-Rate 2-Channel Retimer

1 Features

2 Applications

•

Dual-channel multi-rate retimer with integrated

•

Jitter cleaning for front-port optical interface in

signal conditioning

wireless and wired systems

Backplane/mid-plane reach extension

Active cable assemblies

•

All channels lock independently from 19.6 to 25.8

Gbps (including sub-rates, such as 12.16512

Gbps, 9.8304 Gbps, 6.144 Gbps, and more)

•

802.3bj 100GbE, InfiniBand EDR, and OIF-CEI-

25G-LR/MR/SR/VSR electrical interfaces

•

Ultra-low latency: <500 ps Typical for 25.78125-

Gbps data rate

•

SFP28, QSFP28, CFP2/CFP4, CDFP

•

Adaptive continuous time linear equalizer (CTLE)

Continuous adaptive decision feedback equalizer

(DFE), capable of compensating large channel

loss variation over temperature

3 Description

The DS250DF230 is a dual-channel multi-rate retimer

with integrated signal conditioning. The device is

used to extend the reach and robustness of long,

lossy, crosstalk-impaired high-speed serial links and

while achieving a bit error rate (BER) of 10^–15or less.

•

Combined equalization supporting 35-dB channel

loss at 12.9 GHz

On-chip eye-opening monitor (EOM), PRBS

pattern checker and generator

Each channel of the DS250DF230 independently

locks to serial data rates in a continuous range from

19.6 Gbps to 25.8 Gbps or to any supported sub-rate

(÷2 and ÷4), including key data rates such as

12.16512 Gbps, 9.8304 Gbps, 6.144 Gbps.

•

Low-jitter transmitter with 3-Tap FIR filter

Integrated 2×2 cross-point

Recovered clock available for system clock

synchronization applications on channel 0

Device Information⁽¹⁾

•

Single power supply, no low-jitter reference clock

required

PART NUMBER

PACKAGE

BODY SIZE (NOM)

DS250DF230

NFBGA (36)

5.00 mm × 5.00 mm

Wide stay-in-lock temperature range

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Schematic

RX0P

RX0N

TX0P

TX0N

CDR

RX1P

RX1N

TX1P

TX1N

CDR

2.5V or 3.3V

VDD

SMBus

Slave mode

1 kΩ

To other open-drain

interrupt pins

EN_SMB

INT_N

SDA⁽¹⁾

TEST0 /RCK0

THR /TEST1

To system

SMBus

SDC⁽¹⁾

Address straps

ADDR0

(pull-up, pull-

ADDR1

down, or float)

30.72 MHz or 25 MHz

To next device‘s

CAL_CLK_IN

READ_EN_N

CAL_CLK_OUT

ALL_DONE_N

SMBus Slave

mode

2.5 V

Float for SMBus Slave

mode, or connect to next

device‘s READ_EN_N for

SMBus Master mode

GND

VDD

0.01 ꢀF

(2x)

0.1 ꢀF

(2x)

(1) SMBus signals need to be pulled up elsewhere in the system.

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...105

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与DS250DF230RTVT相关器件

型号	品牌	获取价格	描述	数据表
DS250DF230ZLSR	TI	获取价格	25Gbps 增强型多速率 2 通道重定时器 \| ZLS \| 36 \| -40 to 85
DS250DF230ZLST	TI	获取价格	25Gbps 增强型多速率 2 通道重定时器 \| ZLS \| 36 \| -40 to 85
DS250DF410	TI	获取价格	25Gbps 多速率 4 通道重定时器
DS250DF410ABMR	TI	获取价格	25Gbps 多速率 4 通道重定时器 \| ABM \| 101 \| -40 to 85
DS250DF410ABMT	TI	获取价格	25Gbps 多速率 4 通道重定时器 \| ABM \| 101 \| -40 to 85
DS250DF810	TI	获取价格	25Gbps 多速率 8 通道重定时器
DS250DF810ABVR	TI	获取价格	25Gbps 多速率 8 通道重定时器 \| ABV \| 135 \| -10 to 85
DS250DF810ABVT	TI	获取价格	25Gbps 多速率 8 通道重定时器 \| ABV \| 135 \| -10 to 85
DS2530	TTELEC	获取价格	Duct Averaging Sensor
DS2531	TTELEC	获取价格	Heavy Duty Sensor

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