CDCE937 datasheet(3/30 Pages) TI

部件名	CDCE937

功能描述	Programmable 3-PLL VCXO Clock Synthesizer With 1.8-V, 2.5-V and 3.3-V LVCMOS Outputs

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制造商	TI [Texas Instruments]

网页	http://www.ti.com

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3 / 30 page

EEPROM

Xin/CLK

Xout

VDD

GND

InputClock

Vctr

Vddout

VCXO

XO

LVCMOS

Y1

Y2

LV

CMOS

Pdiv1

10-Bit

Y3

Y4

Y5

Y6

LV

CMOS

Pdiv7

Pdiv6

LV

CMOS

LV

CMOS

Pdiv5

Pdiv4

LV

CMOS

LV

CMOS

Pdiv3

Pdiv2

7-Bit

LV

CMOS

Programming

and

SDA/SCL

Register

Y7

PLL Bypass

PLL1

withSSC

PLL Bypass

PLL 2

withSSC

PLL Bypass

PLL 3

withSSC

S0

S1/SDA

S2/SCL

7-Bit

CDCE937

CDCEL937

www.ti.com

SLAS564F – AUGUST 2007 – REVISED MARCH 2010

FUNCTIONAL BLOCK DIAGRAM

ABSOLUTE MAXIMUM RATINGS

over operating free-air temperature range (unless otherwise noted)

(1)

VALUE

UNIT

VDD

Supply voltage range

–0.5 to 2.5

V

VI

Input voltage range(2) (3)

–0.5 to VDD + 0.5

V

VO

Output voltage range(2)

–0.5 to Vddout + 0.5

V

II

Input current (VI < 0, VI > VDD)

20

mA

IO

Continuous output current

50

mA

Tstg

Storage temperature range

–65 to 150

°C

TJ

Maximum junction temperature

125

°C

(1)

Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings

only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating

conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

The input and output negative voltage ratings may be exceeded if the input and output clamp-current ratings are observed.

(3)

SDA and SCL can go up to 3.6V as stated in the Recommended Operating Conditions table.

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Product Folder Link(s): CDCE937 CDCEL937

类似零件编号 - CDCE937

制造商	部件名	数据表	功能描述
Texas Instruments	CDCE937	376Kb / 21P	[Old version datasheet] Programmable 1-PLL VCXO Clock Synthesizer With 1.8-V, 2.5-V, and 3.3-V Outputs
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类似说明 - CDCE937

制造商	部件名	数据表	功能描述
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