Datasheet > 微控制器和处理器 > 时钟发生器> FS6370-01G-XTD

FS6370-01G-XTD

更新时间： 2024-02-06 18:42:53

品牌	Logo	应用领域
安森美 - ONSEMI		时钟发生器光电二极管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
28页	591K
描述
EEPROM Programmable 3-PLL Clock Generator IC

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FS6370-01G-XTD 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
Reach Compliance Code：	unknown	风险等级：	5.88
JESD-30 代码：	R-PDSO-G16	JESD-609代码：	e0
端子数量：	16	最高工作温度：	70 °C
最低工作温度：		封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP16,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
电源：	3.3/5 V	认证状态：	Not Qualified
子类别：	Clock Generators	最大压摆率：	43 mA
表面贴装：	YES	技术：	CMOS
温度等级：	COMMERCIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	Base Number Matches：	1

FS6370-01G-XTD 数据手册

FS6370

3.3 Post Dividers

A post divider performs several useful functions. First, it allows the VCO to be operated in a narrower range of speeds compared to the

variety of output clock speeds that the device is required to generate. Second, it changes the basic PLL equation to:

where NP is the post divider modulus. The extra integer in the denominator permits more flexibility in the programming of the loop for

many applications where frequencies must be achieved exactly.

The modulus on two of the four post dividers (post dividers C and D in Figure 2) can be altered without reprogramming by a logic level

on the SEL_CD pin.

4.0 Device Operation

The FS6370 has two modes of operation:

• Program mode: during which either the EEPROM or the FS6370 control registers can be programmed directly with the desired PLL

settings

• Run mode: where the PLL settings stored the EEPROM are transferred to the FS6370 control registers on power-up, and the device

then operates based on those settings

Note that the EEPROM locations are not physically the same registers used to control the FS6370.

Direct access to either the EEPROM or the FS6370 control registers is achieved in program mode. The EEPROM register contents are

automatically transferred to the FS6370 control registers in normal device operation (run mode).

4.1 MODE Pin

The MODE pin controls the mode of operation. A logic-low places the FS6370 in program mode. A logic-high puts the device in run

mode. A pull-up on this pin defaults the device into run mode.

Reprogramming of either the control registers or the EEPROM is permitted at any time if the MODE pin is a logic-low.

Note, however, that a logic-high state on the MODE pin is latched so that only one transfer of EEPROM data to the FS6370 control

registers can occur. If a second transfer of EEPROM data into the FS6370 is desired, power (VDD) must be removed and reapplied to

the device.

The MODE pin also controls the function of the PD/SCL and OE/SDA pins. In run mode, these two pins function as power-down (PD)

and output enable (OE) controls. In program mode, the pins function as the I C interface for clock (SCL) and data (SDA).

4.2 SEL_CD Pin

The SEL_CD pin provides a way to alter the operation of PLL C, muxes C and D, and post dividers C and D without having to

reprogram the device. A logic-low on the SEL_CD pin selects the control bits with a "C1" or "D1" notation, per Table 3. A logic-high on

the SEL_CD pin selects the control bits with "C2" or "D2" notation, per Table 3.

Note that changing between two running frequencies using the SEL_CD pin may produce glitches in the output, especially if the post-

divider(s) is/are altered.

4.3 Oscillator Overdrive

For applications where an external reference clock is provided (and the crystal oscillator is not required), the reference clock should be

connected to XOUT and XIN must be left unconnected (float).

Rev. 3 | Page 5 of 28 | www.onsemi.com

1 2 3 456 7 8...28

中文翻译

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FS6370-01G-XTD 替代型号

型号	品牌	替代类型	描述	数据表
FS6370-01G-XTP	ONSEMI	完全替代	EEPROM Programmable 3-PLL Clock Generator IC

与FS6370-01G-XTD相关器件

型号	品牌	获取价格	描述	数据表
FS6370-01G-XTP	ONSEMI	获取价格	EEPROM Programmable 3-PLL Clock Generator IC
FS6370-01G-XTP	AMI	获取价格	Clock Generator, CMOS, PDSO16,
FS6370-01TR	AMI	获取价格	Clock Generator, CMOS, PDSO16,
FS6370-01-XTD	ONSEMI	获取价格	暂无描述
FS6370-01-XTD	AMI	获取价格	Clock Generator, CMOS, PDSO16,
FS6370-01-XTP	AMI	获取价格	Clock Generator, CMOS, PDSO16,
FS6377	ONSEMI	获取价格	Programmable 3-PLL Clock Generator IC
FS6377-01	AMI	获取价格	Programmable 3-PLL Clock Generator IC
FS6377-01G	AMI	获取价格	Programmable 3-PLL Clock Generator IC
FS6377-01G-XTD	ONSEMI	获取价格	Programmable 3-PLL Clock Generator IC

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