Datasheet > 2308B-4DCGI8

2308B-4DCGI8

更新时间： 2024-11-19 08:52:47

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
17页	399K
描述
PLL Based Clock Driver, 2308 Series, 8 True Output(s), 0 Inverted Output(s), CMOS, PDSO16, ROHS COMPLIANT, SOIC-16

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2308B-4DCGI8 数据手册

DATASHEET

3.3 VOLT ZERO DELAY CLOCK MULTIPLIER

IDT2308B

Description

Features

The IDT2308B is a high-speed phase-lock loop (PLL) clock

multiplier. It is designed to address high-speed clock

distribution and multiplication applications. The zero delay

is achieved by aligning the phase between the incoming

clock and the output clock, operable within the range of 10

to 133 MHz.

• Phase-Lock Loop Clock Distribution for Applications

ranging from 10 MHz to 133 MHz operating frequency

• Distributes one clock input to two banks of four outputs

• Separate output enable for each output bank

• External feedback (FBK) pin is used to synchronize the

outputs to the clock input

The IDT2308B has two banks of four outputs each that are

controlled via two select addresses. By proper selection of

input addresses, both banks can be put in tri-state mode. In

test mode, the PLL is turned off, and the input clock directly

drives the outputs for system testing purposes. In the

absence of an input clock, the IDT2308B enters power

down, and the outputs are tri-stated. In this mode, the

device will draw less than 25µA.

• Output Skew <200 ps

• Low jitter <200 ps cycle-to-cycle

• 1x, 2x, 4x output options (see Available Options table)

• No external RC network required

• Operates at 3.3 V V

• Available in 16-pin SOIC and TSSOP packages

The IDT2308B is available in six unique configurations for

both prescaling and multiplication of the Input REF Clock.

(see Available Options table.)

• Available in Commercial and Industrial temperature

ranges

The PLL is closed externally to provide more flexibility by

allowing the user to control the delay between the input

clock and the outputs.

Block Diagram

IDT™ 3.3 VOLT ZERO DELAY CLOCK MULTIPLIER

IDT2308B

REV B 030509

12 3 4 5 6 7...17

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