16 Clock Generators 39

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Part RoHS Manufacturer Peripheral IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount Maximum Supply Voltage Screening Level Address Bus Width Maximum Output Clock Frequency DAC Channels Power Supplies (V) Package Style (Meter) Package Equivalence Code Minimum Supply Voltage Maximum Operating Temperature Minimum Operating Temperature Terminal Finish ADC Channels Terminal Position DMA Channels Maximum Seated Height Width Additional Features External Data Bus Width Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Total Dose (V) Technology Maximum Supply Current Nominal Supply Voltage PWM Channels Sub-Category ROM Programmability Terminal Pitch JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Speed Nominal Primary Clock/Crystal Frequency JESD-609 Code No. of I/O Lines

FS7145-02G-XTP

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

COMMERCIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

300 MHz

3.3

SMALL OUTLINE, SHRINK PITCH

SSOP16,.3

3 V

70 Cel

0 Cel

TIN

DUAL

1.99 mm

5.3 mm

30

260

6.2 mm

CMOS

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

2

Not Qualified

35 MHz

e3

AD9573ARUZ-RL7

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

100 MHz

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

3.3 V

.65 mm

R-PDSO-G16

1

25 MHz

e3

P1P40167MNTWG

Onsemi

CLOCK GENERATOR, OTHER

COMMERCIAL EXTENDED

NO LEAD

16

HVQCCN

SQUARE

UNSPECIFIED

YES

2 V

48 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.7 V

80 Cel

-10 Cel

Tin (Sn)

QUAD

1 mm

3 mm

3 mm

CMOS

1.8 V

.5 mm

S-XQCC-N16

1

27 MHz

e3

NB3N508SDTG

Onsemi

CLOCK GENERATOR, OTHER

COMMERCIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.465 V

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3.135 V

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

62 mA

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

27 MHz

e4

CDCR61APWRG4

Texas Instruments

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

400 MHz

1.8,3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3 V

85 Cel

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

1.2 mm

4.4 mm

NOT SPECIFIED

260

5 mm

CMOS

50 mA

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

18.75 MHz

e4

NB3N5573DTG

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.63 V

200 MHz

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

2.97 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

135 mA

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

25 MHz

e4

CDCEL925PWRG4

Texas Instruments

CLOCK GENERATOR, VIDEO

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1.9 V

230 MHz

1.8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

1.7 V

85 Cel

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

1.2 mm

4.4 mm

NOT SPECIFIED

260

5 mm

CMOS

1.8 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

32 MHz

e4

NB3H83905CDR2G

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.465 V

SMALL OUTLINE

3.135 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

30

260

9.9 mm

CMOS

3.3 V

1.27 mm

R-PDSO-G16

1

Not Qualified

100 MHz

e3

NB3H83905CDTG

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.465 V

SMALL OUTLINE

3.135 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

3.3 V

.65 mm

R-PDSO-G16

1

Not Qualified

100 MHz

e4

CDCE925PWG4

Texas Instruments

CLOCK GENERATOR, VIDEO

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

230 MHz

1.8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

2.3 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

1.8 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

32 MHz

e4

CDCE925PWRG4

Texas Instruments

CLOCK GENERATOR, VIDEO

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

230 MHz

1.8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

2.3 V

85 Cel

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

1.2 mm

4.4 mm

NOT SPECIFIED

260

5 mm

CMOS

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

32 MHz

e4

CDCE925PW

Texas Instruments

CLOCK GENERATOR, VIDEO

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

230 MHz

1.8

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

2.3 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

1.8 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

32 MHz

e4

CY22150KFZXI

Cypress Semiconductor

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.465 V

166.6 MHz

2.5/3.3,3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3.135 V

85 Cel

-40 Cel

Matte Tin (Sn)

DUAL

1.1 mm

4.4 mm

OPERATES AT 2.5 V MINIMUM SUPPLY AT 150 MHZ

20

260

5 mm

CMOS

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

3

Not Qualified

30 MHz

e3

NB3N51032DTG

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.465 V

200 MHz

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3.135 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

25 MHz

e4

FS6377-01G-XTD

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

150 MHz

3.3/5

SMALL OUTLINE

SOP16,.25

4.5 V

70 Cel

0 Cel

MATTE TIN

DUAL

1.73 mm

3.9 mm

ALSO OPERATES WITH 3.3V SUPPLY

30

260

9.89 mm

CMOS

5 V

Clock Generators

1.27 mm

R-PDSO-G16

2

Not Qualified

27 MHz

e3

FS6377-01G-XTP

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

150 MHz

3.3/5

SMALL OUTLINE

SOP16,.25

4.5 V

70 Cel

0 Cel

MATTE TIN

DUAL

1.73 mm

3.9 mm

ALSO OPERATES WITH 3.3V SUPPLY

30

260

9.89 mm

CMOS

5 V

Clock Generators

1.27 mm

R-PDSO-G16

2

Not Qualified

27 MHz

e3

FS6377-01IG-XTD

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

150 MHz

3.3/5

SMALL OUTLINE

SOP16,.25

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

ALSO OPERATES WITH 5V SUPPLY

30

260

9.9 mm

CMOS

3.3 V

Clock Generators

1.27 mm

R-PDSO-G16

2

Not Qualified

27 MHz

e3

FS6377-01IG-XTP

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

150 MHz

3.3/5

SMALL OUTLINE

SOP16,.25

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.73 mm

3.9 mm

ALSO OPERATES WITH 3.3V SUPPLY

30

260

9.89 mm

CMOS

5 V

Clock Generators

1.27 mm

R-PDSO-G16

2

Not Qualified

27 MHz

e3

FS7140-01G-XTP

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

300 MHz

3.3

SMALL OUTLINE

SOP16,.25

3 V

70 Cel

0 Cel

DUAL

1.7272 mm

3.937 mm

9.9314 mm

CMOS

3.3 V

Clock Generators

1.27 mm

R-PDSO-G16

Not Qualified

35 MHz

FS7145-01-XTD

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

300 MHz

3.3

SMALL OUTLINE

SOP16,.25

3 V

70 Cel

0 Cel

DUAL

1.7272 mm

3.937 mm

9.9314 mm

CMOS

3.3 V

Clock Generators

1.27 mm

R-PDSO-G16

1

Not Qualified

35 MHz

FS7145-01-XTP

Onsemi

CLOCK GENERATOR, PROCESSOR SPECIFIC

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

300 MHz

3.3

SMALL OUTLINE

SOP16,.25

3 V

70 Cel

0 Cel

DUAL

1.7272 mm

3.937 mm

9.9314 mm

CMOS

3.3 V

Clock Generators

1.27 mm

R-PDSO-G16

1

Not Qualified

35 MHz

ASM3P2854CG-16TR

Onsemi

CLOCK GENERATOR, OTHER

COMMERCIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

66 MHz

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3 V

70 Cel

0 Cel

TIN

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

15 mA

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

24 MHz

e3

AD9575ARUZLVD

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

312.5 MHz

3.3

SMALL OUTLINE

TSSOP16,.25

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

130 mA

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

25.78 MHz

e3

AD9575ARUZPEC

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

312.5 MHz

3.3

SMALL OUTLINE

TSSOP16,.25

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

160 mA

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

25.78 MHz

e3

ADF4001BRU

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

200 MHz

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.2 mm

4.4 mm

ALSO OPERATES AT 5 V NOMINAL SUPPLY

240

5 mm

BICMOS

3 V

.65 mm

R-PDSO-G16

1

Not Qualified

100 MHz

e0

ADF4001BRU-REEL7

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

200 MHz

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

2.7 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.2 mm

4.4 mm

ALSO OPERATES AT 5 V NOMINAL SUPPLY

240

5 mm

BICMOS

3 V

.65 mm

R-PDSO-G16

1

Not Qualified

100 MHz

e0

AD809BRZ

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

155.52 MHz

SMALL OUTLINE

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

30

260

9.9 mm

ECL

26 mA

5 V

1.27 mm

R-PDSO-G16

1

Not Qualified

19.44 MHz

e3

AD809BRZ-REEL

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

155.52 MHz

SMALL OUTLINE

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

260

9.9 mm

ECL

26 mA

5 V

1.27 mm

R-PDSO-G16

1

Not Qualified

19.44 MHz

e3

AD809BRZ-REEL7

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

155.52 MHz

SMALL OUTLINE, SHRINK PITCH

4.5 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

30

260

9.9 mm

CMOS

26 mA

5 V

1.27 mm

R-PDSO-G16

1

Not Qualified

19.44 MHz

e3

CY22395FXCT

Cypress Semiconductor

CLOCK GENERATOR, PROCESSOR SPECIFIC

COMMERCIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.465 V

200 MHz

2.5,3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3.135 V

70 Cel

0 Cel

MATTE TIN

DUAL

1.1 mm

4.4 mm

ALSO OPERATES AT 2.5V SUPPLY

20

260

5 mm

CMOS

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

3

Not Qualified

166 MHz

e3

CY25823ZXCT

Cypress Semiconductor

CLOCK GENERATOR, OTHER

COMMERCIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.465 V

100 MHz

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

3.135 V

70 Cel

0 Cel

MATTE TIN

DUAL

1.1 mm

4.4 mm

20

260

5 mm

CMOS

3.3 V

.65 mm

R-PDSO-G16

3

Not Qualified

14.131818 MHz

e3

NB4N507ADG

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

200 MHz

3.3/5

SMALL OUTLINE

SOP16,.25

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.75 mm

3.9 mm

30

260

9.9 mm

CMOS

35 mA

3.3 V

Clock Generators

1.27 mm

R-PDSO-G16

1

Not Qualified

52 MHz

e3

NB4N507ADR2

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

200 MHz

3.3/5

SMALL OUTLINE

SOP16,.25

3 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.75 mm

3.9 mm

235

9.9 mm

CMOS

35 mA

3.3 V

Clock Generators

1.27 mm

R-PDSO-G16

Not Qualified

52 MHz

e0

NB4N507AD

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

200 MHz

3.3/5

SMALL OUTLINE

SOP16,.25

3 V

85 Cel

-40 Cel

TIN LEAD

DUAL

1.75 mm

3.9 mm

235

9.9 mm

CMOS

35 mA

3.3 V

Clock Generators

1.27 mm

R-PDSO-G16

1

Not Qualified

52 MHz

e0

ADF4001BRUZ-RL

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.5 V

200 MHz

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

2.7 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

ALSO OPERATES AT 5 V NOMINAL SUPPLY

30

260

5 mm

BICMOS

3 V

.65 mm

R-PDSO-G16

1

Not Qualified

100 MHz

e3

AD9573ARUZ

Analog Devices

CLOCK GENERATOR, OTHER

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

100 MHz

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

3.3 V

Clock Generators

.65 mm

R-PDSO-G16

1

Not Qualified

25 MHz

e3

NB3V63143G00MNR2G

Onsemi

CLOCK GENERATOR, OTHER

INDUSTRIAL

NO LEAD

16

HVQCCN

SQUARE

UNSPECIFIED

YES

1.9 V

200 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC16,.12SQ,20

1.7 V

85 Cel

-40 Cel

NICKEL GOLD PALLADIUM

QUAD

1 mm

3 mm

SINGLE ENDED CLOCK INPUT RANGE 3 MHZ TO 200 MHZ

30

260

3 mm

CMOS

1.8 V

.5 mm

S-XQCC-N16

1

50 MHz

PI6LC48H02-01LIEX

Diodes Incorporated

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

200 MHz

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3 V

85 Cel

-40 Cel

MATTE TIN

DUAL

1.2 mm

4.4 mm

30

260

5 mm

CMOS

115 mA

3.3 V

.65 mm

R-PDSO-G16

1

25 MHz

e3

PI6LC48H02-01LIE

Diodes Incorporated

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.6 V

200 MHz

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

3 V

85 Cel

-40 Cel

DUAL

1.2 mm

4.4 mm

5 mm

CMOS

115 mA

3.3 V

.65 mm

R-PDSO-G16

25 MHz

Clock Generators

A clock generator is an electronic circuit that generates an electrical signal that serves as a timing reference for other circuits in a system. Clock generators are used in many electronic devices, such as computers, cell phones, and digital cameras. The clock signal is used to synchronize the operation of different components in the system, such as microprocessors, memory devices, and input/output interfaces.

Clock generators can be classified based on their output frequency and stability. Some clock generators produce a fixed frequency output, while others have a programmable output frequency. The stability of the clock signal is also an important parameter, and clock generators can be designed to produce a stable frequency output over a wide range of temperature and voltage conditions.

Clock generators can also include additional features such as frequency multiplication, frequency division, and phase locking. Frequency multiplication allows the output frequency to be multiplied by an integer value, while frequency division allows the output frequency to be divided by an integer value. Phase locking is used to ensure that the output frequency of the clock generator is synchronized with an external reference signal.