XC25BS5_12 datasheet(1/12 Pages) TOREX

Part #	XC25BS5

Description	PLL Clock Generator ICs with Built-In Divider/Multiplier Circuits

PDF	12 Pages

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Manufacturer	TOREX [Torex Semiconductor]

Direct Link	http://www.torex.co.jp

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XC25BS5 Series

PLL Clock Generator ICs with Built-In Divider/Multiplier Circuits

(For Low Frequency Range)

●CE, Q0/Q1 Pin Function

C E

FUNCTION

"H"

Q0, Q1 Clock Output

"L"

Stand-by. Output Pin = High Impedance

Open

Stand-by. Output Pin = High Impedance

(VSS Pin Pull-Down Due to IC's Internal Resistor)

■GENERAL DESCRIPTION

The XC25BS5 series are high frequency, low power consumption PLL clock generator ICs with divider circuit & multiplier

PLL circuit.

Laser trimming gives the option of being able to select from divider ratios (M) of 1,3

to 2047 and multiplier ratios (N) of 6 to

2047.

Output frequency (Q0) is equal to reference oscillation (fCLKin) multiplied by N/M, within a range of 3MHz to 30MHz.

Q1

output is selectable from input reference frequency (f0), input reference frequency/2 (f0/2), ground (GND), and comparative

frequency (f0/M). Further, comparative frequencies, within a range of 12KHz to 500KHz, can be obtained by dividing the

reference oscillation.

By halting operation via the CE pin, consumption current can be controlled and output will be one of

high-impedance.

■PIN CONFIGURATION

■PIN ASSIGNMENT

■APPLICATIONS

●Crystal oscillation modules

●Personal computers

●PDAs

●Portable audio systems

●Various system clocks

■FEATURES

Output Frequency : 3MHz ~ 30MHz (Q0=fCLKin

×N/M)

Input Frequency (fCLKin)

: 12kHz ~ 35MHz

Divider Ratio (M)

: Selectable from divisions of 1, 3~2047

Multiplier Ratio (N) : Selectable from multiplications of 6~2047

Output

: 3-State

Q1 output selectable from input reference

oscillation, input reference oscillation/2,

GND, comparative frequency.

Operating Voltage Range

: 2.97V ~ 5.5V

Low Power Consumption

: CMOS (stand-by function included)*1

Comparative Frequency

: 12kHz~500kHz

Package

: SOT-26, USP-6B

*1 High output impedance during standby

Environmentally Friendly: EU RoHS Compliant, Pb Free

*The dissipation pad for the USP-6B package

should be solder-plated in recommended mount

pattern and metal masking so as to enhance

mounting strength and heat release.

If the pad needs to be connected to other pins,

it should be connected to the VDD pin.

PIN NUMBER

SOT-26

USP-6B

NAME

FUNCTION

1

3

CE

Chip Enable

2

VSS

GND

3

1

Q0

PLL Output

4

6

Q1

Reference Oscillation,

Reference Oscillation/2,

GND, or Comparative

Frequency Output

5

VDD

Power Supply

6

4

CLKin

Reference Clock Input

■FUNCTION LIST

"H" = High level

"L" = Low level

SOT-26

(TOP VIEW)

1 Q0

2 VSS

3 CE

CLKin 4

VDD 5

Q1 6

USP-6B

(BOTTOM VIEW)

ETR1502_003a

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