44 Clock Generators 57

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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

SI5342B-D-GMR

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

350 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.27SQ,20

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

ALSO OPERATES AT 3.3V NOM

7 mm

CMOS

260 mA

1.8 V

.5 mm

S-XQCC-N44

2

54.06 MHz

SI5342H-D-GM

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

2750 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

ALSO REQUIRES 3.3V SUPPLY

7 mm

CMOS

1.8 V

.5 mm

S-XQCC-N44

54 MHz

SI5342H-D06066-GMR

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

2750 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC44,.27SQ,20

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

ALSO REQUIRES 3.3V SUPPLY

40

260

7 mm

CMOS

190 mA

1.8 V

.5 mm

S-XQCC-N44

750 MHz

SI5342H-D09194-GMR

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

2750 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC44,.27SQ,20

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

ALSO REQUIRES 3.3V SUPPLY

40

260

7 mm

CMOS

190 mA

1.8 V

.5 mm

S-XQCC-N44

2

750 MHz

SI5342B-BXXXXX-GM

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

350 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

ALSO REQUIRES 3.3V SUPPLY

40

260

7 mm

CMOS

1.8 V

.5 mm

S-XQCC-N44

54 MHz

SI5342B-DXXXXX-GM

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

350 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC44,.27SQ,20

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

ALSO REQUIRES 3.3V SUPPLY

7 mm

CMOS

260 mA

1.8 V

.5 mm

S-XQCC-N44

2

750 MHz

SI5344A-D10038-GMR

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

1028 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

40

260

7 mm

CMOS

1.8 V

.5 mm

S-XQCC-N44

2

750 MHz

SI5344B-DXXXXX-GM

Silicon Labs

CLOCK GENERATOR, PROCESSOR SPECIFIC

INDUSTRIAL

NO LEAD

44

HVQCCN

SQUARE

UNSPECIFIED

YES

1.89 V

350 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC44,.27SQ,20

1.71 V

85 Cel

-40 Cel

QUAD

.9 mm

7 mm

ALSO REQUIRES 3.3V SUPPLY

7 mm

CMOS

260 mA

1.8 V

.5 mm

S-XQCC-N44

2

750 MHz

SM802355UMG

Microchip Technology

JITTER ATTENUATOR

INDUSTRIAL

NO LEAD

44

HVQCCN

SQUARE

PLASTIC/EPOXY

YES

2.625 V

TS 16949

840 MHz

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC44,.28SQ,20

2.375 V

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

QUAD

.9 mm

7 mm

IT ALSO OPERATES AT 3.3V NOM SUPPLY

7 mm

CMOS

345 mA

2.5 V

.5 mm

S-PQCC-N44

27 MHz

e4

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.