Datasheet > TQ8213

TQ8213

更新时间： 2024-09-18 21:55:47

品牌	Logo	应用领域
TRIQUINT		复用器
页数	文件大小	规格书
23页	243K
描述
Multiplexer

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数据手册

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TQ8213 数据手册

S E M I C O N D U C T O R , I N C .

TQ8213

PRELIMINARY DATA SHEET

The TQ8213 is a SONET/SDH OC48 MUX that time-division multiplexes a

16-bit or 32-bit parallel data bus to a serial 2.48832 Gb/s NRZ data stream

for transmission through a communications channel. Without any

additional amplification, the 2.48832 Gb/s output stage can drive either a

directly modulated laser or an optical external modulator. Output may also

be configured to provide standard ECL/PECL levels with excellent rise/fall

times. The serial output data stream is available through either single-

ended or differential pins. Mark/space ratio adjustment allows

OC48/STM16

Multiplexer

Features

compensation for asymmetries encountered in optoelectronics.

• Single-chip 16:1 or 32:1

The TQ8213 operates in two different time-division multiplexing modes,

making it extremely flexible for use in telecom and datacom applications.

The serial 2.48832 Gb/s data stream can be generated from either a 16-bit

wide 155.52 MHz data stream or a 32-bit wide 77.76 MHz data stream.

Data integrity may be ensured through a byte-wise parity check, which

occurs in parallel with the incoming data stream. An external parity alarm

is set whenever a parity check error is detected.

Multiplexer with integrated clock-

synthesis and high performance

75mA/3.75V output driver

• Output can drive external optical

modulator, 50Ω PECL/ECL

transmission line, or directly

modulated laser without further

amplification

Transmit clocking is selectable from either an internal or external Voltage

Controlled Oscillator(VCO) as well as a selectable external or internal Phase

Locked Loop (PLL). The selected clock source may be monitored at

HCKOUT. The internal PLL utilizes an external reference clock, REFCLK, to

aid in timing generation. The reference clock may be one of seven

commonly used system frequencies. A TTL level LOCK signal is supplied

to indicate when the phase difference between the external reference clock

and the internal divided down clock is less than π/4 radians.

• Output symmetry adjust

• Selectable internal/external active

highspeed 2.48832 GHz clock

• SONET/SDH compliant for

2.48832 Gb/s output data rate

• 622.08, 311.04, 155.52, 77.76,

51.84, 38.88, or 19.44 MHz

PECL or TTL reference clock

inputs

Operating from a single +5V supply, the TQ8213 will provide fully

compliant functionality and performance. Direct-connected TTL levels are

used with both of the input modes.

• Integrated PLL with external filter

• Four output clocks at 311.04,

155.52, 77.76, and 38.88 MHz.

The TQ8213 is fully compliant with SONET/SDH jitter specifications.

• Internal even/odd (mode

programmable) parity checker

with alarm output

• 23mm 208-pin BGA package

• 5V single supply

• –40 to +125°C case operating

temperature

12 3 4 5 6 7...23

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