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5V49EE904NLGI8

更新时间： 2024-11-27 12:50:11

品牌	Logo	应用领域
艾迪悌 - IDT		时钟发生器微控制器和处理器 PC 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
29页	652K
描述
EEPROM PROGRAMMABLE CLOCK GENERATOR

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中文翻译

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技术参数
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替代型号

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5V49EE904NLGI8 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Not Recommended	零件包装代码：	VFQFPN
包装说明：	,	针数：	32
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.76
Samacsys Confidence：	3	Samacsys Status：	Released
Samacsys PartID：	11129685	Samacsys Pin Count：	33
Samacsys Part Category：	Integrated Circuit	Samacsys Package Category：	Quad Flat No-Lead
Samacsys Footprint Name：	32-pin VFQFPN25	Samacsys Released Date：	2020-01-23 04:49:11
Is Samacsys：	N	JESD-609代码：	e3
湿度敏感等级：	3	端子面层：	Matte Tin (Sn) - annealed
Base Number Matches：	1

5V49EE904NLGI8 数据手册

DATASHEET

EEPROM PROGRAMMABLE CLOCK GENERATOR

IDT5V49EE904

Description

Features

The IDT5V49EE904 is a programmable clock generator

intended for high performance data-communications,

telecommunications, consumer, and networking

applications. There are four internal PLLs, each individually

programmable, allowing for four unique non-integer-related

frequencies. The frequencies are generated from a single

reference clock. The reference clock can come from one of

the two redundant clock inputs. A glitchless automatic or

manual switchover function allows any one of the redundant

clocks to be selected during normal operation.

• Four internal PLLs

• Internal non-volatile EEPROM

• Fast (400kHz) mode I C serial interface

• Input frequency range: 1 MHz to 200 MHz

• Output frequency range: 4.9 kHz to 200 MHz

• Reference crystal input with programmable linear load

capacitance

– Crystal frequency range: 8 MHz to 50 MHz

The IDT5V49EE904 is in-system, programmable and can

be programmed through the use of I C interface. An

internal EEPROM allows the user to save and restore the

configuration of the device without having to reprogram it on

power-up.

• Four independently controlled VDDO (1.8V - 3.3V)

• Each PLL has a 7-bit reference divider and a 12-bit

feedback-divider

• 8-bit output-divider blocks

• Fractional division capability on one PLL

Each of the four PLLs has an 7-bit reference divider and a

12-bit feedback divider. This allows the user to generate

four unique non-integer-related frequencies. The PLL loop

bandwidth is programmable to allow the user to tailor the

PLL response to the application. For instance, the user can

tune the PLL parameters to minimize jitter generation or to

maximize jitter attenuation. Spread spectrum generation

and/or fractional divides are allowed on two of the PLLs.

• Two of the PLLs support spread spectrum generation

capability

• I/O Standards:

– Outputs - 1.8 - 3.3 V LVTTL/ LVCMOS

– Inputs - 3.3 V LVTTL/ LVCMOS

• Programmable slew rate control

• Programmable loop bandwidth

• Programmable output inversion to reduce bimodal jitter

There are a total of six 8-bit output dividers. The outputs are

connected to the PLLs via a switch matrix. The switch

matrix allows the user to route the PLL outputs to any

output bank. This feature can be used to simplify and

optimize the board layout. In addition, each output's slew

rate and enable/disable function is programmable.

• Redundant clock inputs with glitchless auto and manual

switchover options

• Individual output enable/disable

• Power-down mode

• 3.3V core V

• Available in VFQFPN package

• -40 to +85 C Industrial Temp operation

IDT® EEPROM PROGRAMMABLE CLOCK GENERATOR

IDT5V49EE904 REV H 022310

12 3 4 5 6 7...29

中文翻译

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5V49EE904NLGI8 替代型号

型号	品牌	替代类型	描述	数据表
5V49EE904NLGI	IDT	完全替代	EEPROM PROGRAMMABLE CLOCK GENERATOR

与5V49EE904NLGI8相关器件

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5V50009DCG	IDT	获取价格	SPREAD SPECTRUM CLOCK GENERATOR
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5V50012LCG	IDT	获取价格	PLL Based Clock Driver, 5V Series, 1 True Output(s), 0 Inverted Output(s), CMOS, LCC-16
5V50012LCG8LF	IDT	获取价格	PLL Based Clock Driver, 5V Series, 1 True Output(s), 0 Inverted Output(s), CMOS, ROHS COMP
5V50012LCGLF	IDT	获取价格	PLL Based Clock Driver, 5V Series, 1 True Output(s), 0 Inverted Output(s), CMOS, ROHS COMP
5V50013PGG	IDT	获取价格	Clock Driver, 5V Series, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8, ROHS COMPLIA
5V50013PGG8	IDT	获取价格	Clock Driver, 5V Series, 1 True Output(s), 0 Inverted Output(s), CMOS, PDSO8
5V50015DCG	IDT	获取价格	LOW EMI CLOCK GENERATOR
5V50015DCG8	IDT	获取价格	LOW EMI CLOCK GENERATOR
5V50015PGG	IDT	获取价格	LOW EMI CLOCK GENERATOR

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