20 Phase Locked Loops (PLL) & Frequency Synthesis Circuits 536

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Part	Manufacturer	Other IC type	Temperature Grade	No. of Terminals	Package Code	Package Shape	Surface Mount	Package Body Material	Maximum Supply Current (Isup)	No. of Functions	Technology	Terminal Form	Nominal Supply Voltage (Vsup)	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	JESD-30 Code	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width (mm)	Qualification	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length
CYW2315X	Infineon Technologies		INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY				GULL WING		3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.635 mm	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
IMI145156020LT	Infineon Technologies		MILITARY	20	QCCN	SQUARE	YES	CERAMIC			CMOS	NO LEAD			CHIP CARRIER	LCC20,.35SQ	PLL or Frequency Synthesis Circuits	1.27 mm	125 Cel	-55 Cel	Tin/Lead (Sn/Pb)	QUAD	S-XQCC-N20				Not Qualified			e0
MB15F73ULPV	Infineon Technologies	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	VBCC	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS	BUTT	2.7 V		CHIP CARRIER, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		BOTTOM	R-PBCC-B20	3.6 V	.6 mm	3.4 mm	Not Qualified	2.4 V	SELECTABLE 64/65 OR 128/129 FOR 2250 MHZ PRESCALER, AND 8/9 OR 16/17 FOR 600 MHZ PRESCALER				3.6 mm
MB15F78ULPVA	Infineon Technologies	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	VBCC	RECTANGULAR	YES	PLASTIC/EPOXY		1	BICMOS	BUTT	2.7 V		CHIP CARRIER, VERY THIN PROFILE			.5 mm	85 Cel	-40 Cel		BOTTOM	R-PBCC-B20	3.6 V	.6 mm	3.4 mm	Not Qualified	2.4 V	SELECTABLE 32/33 OR 64/65 PRESCALER FOR THE 2600 MHZ AND 16/17 OR 32/33 PRESCALER FOR THE 1200 MHZ		NOT SPECIFIED	NOT SPECIFIED	3.6 mm
MB15C02PFV2	Infineon Technologies	PLL FREQUENCY SYNTHESIZER	COMMERCIAL	20	LSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	2.2 mA	1	CMOS	GULL WING		1/1.5	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.65 mm	60 Cel	-20 Cel		DUAL	R-PDSO-G20	1.5 V	1.45 mm	4.4 mm	Not Qualified	1 V					6.5 mm
WB1337TX-TR	Infineon Technologies		INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY			BICMOS	GULL WING		3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.635 mm	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
MB15F73ULPFT	Infineon Technologies	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY	2.8 mA		BICMOS	GULL WING		2.4/3.6	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.635 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20				Not Qualified
CYW2325LFITR	Infineon Technologies		INDUSTRIAL	20	QCCN	SQUARE	YES	PLASTIC/EPOXY				NO LEAD		3/5	CHIP CARRIER	LCC20,.16SQ,20	PLL or Frequency Synthesis Circuits	.5 mm	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	QUAD	S-PQCC-N20				Not Qualified			e0
SDA3412X	Infineon Technologies		COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY			BIPOLAR	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.4	PLL or Frequency Synthesis Circuits	1.27 mm	80 Cel	-20 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
SDA2121-2X	Infineon Technologies		OTHER	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY				GULL WING	5 V	5	SMALL OUTLINE	SOP20,.4	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	-25 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
SDA3402X	Infineon Technologies		COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY			BIPOLAR	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.4	PLL or Frequency Synthesis Circuits	1.27 mm	80 Cel	-20 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
SDA3252	Infineon Technologies		COMMERCIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY				THROUGH-HOLE		5,33	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20				Not Qualified			e0
SDA2121-2	Infineon Technologies		OTHER	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY				THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-25 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20				Not Qualified			e0
SDA2121	Infineon Technologies		OTHER	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY				THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-25 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20				Not Qualified			e0
SDA3302X	Infineon Technologies		COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY			BIPOLAR	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.4	PLL or Frequency Synthesis Circuits	1.27 mm	80 Cel	-20 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
SDA3202-2X	Infineon Technologies		OTHER	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY			BIPOLAR	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.4	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
SDA3203	Infineon Technologies		COMMERCIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY			BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	70 Cel	0 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20				Not Qualified			e0
TC9217P	Toshiba	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	25 mA	1	CMOS	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0			24.6 mm
TC9257APG	Toshiba	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	15 mA	1	CMOS	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-40 Cel	TIN SILVER	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e2			24.6 mm
TD6382N	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SDIP	RECTANGULAR	NO	PLASTIC/EPOXY	66 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE, SHRINK PITCH	SDIP20,.3	PLL or Frequency Synthesis Circuits	1.778 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.5 mm	7.62 mm	Not Qualified	4.5 V		e0			18.6 mm
TC9217FG	Toshiba		INDUSTRIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	25 mA		CMOS	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.3	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20				Not Qualified
TD6359P	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	80 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0			24.6 mm
TD6358P	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	80 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0			24.6 mm
TD6358N	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SDIP	RECTANGULAR	NO	PLASTIC/EPOXY	80 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE, SHRINK PITCH	SDIP20,.3	PLL or Frequency Synthesis Circuits	1.778 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.5 mm	7.62 mm	Not Qualified	4.5 V		e0			18.6 mm
TD6380N	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SDIP	RECTANGULAR	NO	PLASTIC/EPOXY	66 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE, SHRINK PITCH	SDIP20,.3	PLL or Frequency Synthesis Circuits	1.778 mm	75 Cel	-20 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T20	5.5 V	4.5 mm	7.62 mm	Not Qualified	4.5 V		e0			18.6 mm
TD6380P	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	66 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0			24.6 mm
TC9217PG	Toshiba		INDUSTRIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	25 mA		CMOS	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-40 Cel		DUAL	R-PDIP-T20				Not Qualified
TD6359N	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SDIP	RECTANGULAR	NO	PLASTIC/EPOXY	80 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE, SHRINK PITCH	SDIP20,.3	PLL or Frequency Synthesis Circuits	1.778 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.5 mm	7.62 mm	Not Qualified	4.5 V		e0			18.6 mm
TC9217F	Toshiba	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	25 mA	1	CMOS	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.3	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	1.8 mm	5.3 mm	Not Qualified	4.5 V		e0			12.8 mm
TC9257AFG	Toshiba	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	15 mA	1	CMOS	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.3	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	-40 Cel	TIN COPPER/TIN SILVER	DUAL	R-PDSO-G20	5.5 V	1.9 mm	5.3 mm	Not Qualified	4.5 V		e2			12.8 mm
TD6382P	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	66 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0			24.6 mm
TC9257P	Toshiba	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	15 mA	1	CMOS	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0			24.6 mm
TD6381N	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SDIP	RECTANGULAR	NO	PLASTIC/EPOXY	66 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE, SHRINK PITCH	SDIP20,.3	PLL or Frequency Synthesis Circuits	1.778 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.5 mm	7.62 mm	Not Qualified	4.5 V		e0			18.6 mm
TD7614F	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	65 mA	1	BIPOLAR	GULL WING	5 V	5,12,33	SMALL OUTLINE	SOP20,.3	PLL or Frequency Synthesis Circuits	1.27 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2.25 mm	5.3 mm	Not Qualified	4.5 V	SELECTABLE 1/32 OR 1/33 PRESCALER	e0			12.6 mm
TC9257F	Toshiba	PLL FREQUENCY SYNTHESIZER	INDUSTRIAL	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	15 mA	1	CMOS	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.3	PLL or Frequency Synthesis Circuits	1.27 mm	85 Cel	-40 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	1.8 mm	5.3 mm	Not Qualified	4.5 V		e0			12.8 mm
TD6381P	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	DIP	RECTANGULAR	NO	PLASTIC/EPOXY	66 mA	1	BIPOLAR	THROUGH-HOLE	5 V	5	IN-LINE	DIP20,.3	PLL or Frequency Synthesis Circuits	2.54 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDIP-T20	5.5 V	4.45 mm	7.62 mm	Not Qualified	4.5 V		e0			24.6 mm
TD7603F	Toshiba	PLL FREQUENCY SYNTHESIZER	COMMERCIAL EXTENDED	20	SOP	RECTANGULAR	YES	PLASTIC/EPOXY	41 mA	1	BIPOLAR	GULL WING	5 V	5	SMALL OUTLINE	SOP20,.3	PLL or Frequency Synthesis Circuits	1.27 mm	75 Cel	-20 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	1.8 mm	5.3 mm	Not Qualified	4.5 V	SELECTABLE 1/32 OR 1/33 PRESCALER	e0			12.8 mm
UPD3140GS-T1	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY	6.6 mA	2	BICMOS	GULL WING	2 V	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-35 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2 mm	6.1 mm	Not Qualified	1.8 V		e0
UPD3150GS-E2	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY	9.8 mA	2	BICMOS	GULL WING	3 V	3	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-30 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2 mm	6.1 mm	Not Qualified	2.7 V		e0
UPD3160GS	Renesas Electronics		OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY	1.5 mA		CMOS	GULL WING	3 V	3	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	PLL or Frequency Synthesis Circuits	.635 mm	85 Cel	-30 Cel	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G20				Not Qualified			e0
UPD3140GS	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY		2	BICMOS	GULL WING	2 V		SMALL OUTLINE, SHRINK PITCH			.65 mm	85 Cel	-35 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2 mm	6.1 mm	Not Qualified	1.8 V		e0
UPD3150GS-E1	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY	9.8 mA	2	BICMOS	GULL WING	3 V	3	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-30 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2 mm	6.1 mm	Not Qualified	2.7 V		e0
UPD3160GS-E1	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS	GULL WING	3 V		SMALL OUTLINE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel	TIN LEAD	DUAL	R-PDSO-G20	3.6 V	2 mm	6.1 mm	Not Qualified	2.7 V		e0
UPD3140GS-E2	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY	6.6 mA	2	BICMOS	GULL WING	2 V	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-35 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2 mm	6.1 mm	Not Qualified	1.8 V		e0
UPD3160GS-E2	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY		1	CMOS	GULL WING	3 V		SMALL OUTLINE, SHRINK PITCH			.65 mm	85 Cel	-30 Cel	TIN LEAD	DUAL	R-PDSO-G20	3.6 V	2 mm	6.1 mm	Not Qualified	2.7 V		e0
UPD3140GS-E1	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY	6.6 mA	2	BICMOS	GULL WING	2 V	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-35 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2 mm	6.1 mm	Not Qualified	1.8 V		e0
UPD3140GS-T2	Renesas Electronics	PLL FREQUENCY SYNTHESIZER	OTHER	20	SSOP	RECTANGULAR	YES	PLASTIC/EPOXY	6.6 mA	2	BICMOS	GULL WING	2 V	2/5	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	PLL or Frequency Synthesis Circuits	.65 mm	85 Cel	-35 Cel	TIN LEAD	DUAL	R-PDSO-G20	5.5 V	2 mm	6.1 mm	Not Qualified	1.8 V		e0
S1M8821X01-R0T0(20TSSOP)	Samsung		INDUSTRIAL	20	TSSOP	RECTANGULAR	YES	PLASTIC/EPOXY			BICMOS	GULL WING	3 V	3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	PLL or Frequency Synthesis Circuits	.635 mm	85 Cel	-40 Cel		DUAL	R-PDSO-G20				Not Qualified

Phase Locked Loops (PLL) & Frequency Synthesis Circuits

Phase Locked Loops (PLL) and Frequency Synthesis Circuits are electronic circuits used to generate and control stable and precise frequencies for use in various applications, such as communication systems, signal processing, and instrumentation.

A PLL is a feedback system that compares the phase of an input signal to the phase of a reference signal and adjusts the output frequency to match the reference frequency. The basic components of a PLL include a phase detector, a low-pass filter, a voltage-controlled oscillator (VCO), and a frequency divider. The phase detector compares the phase of the input and reference signals and generates an error signal that is filtered and used to adjust the frequency of the VCO. The output of the VCO is divided by a frequency divider to generate the output frequency. PLLs are commonly used for frequency synthesis, clock recovery, and phase modulation/demodulation.

Frequency synthesis circuits are electronic circuits used to generate precise and stable frequencies by combining multiple signals with different frequencies. These circuits use various techniques, such as direct digital synthesis (DDS), fractional-N synthesis, and frequency mixing to generate frequencies. DDS is a technique that uses a digital signal generator to generate a waveform with a specific frequency, phase, and amplitude. Fractional-N synthesis is a technique that uses a PLL to generate a frequency that is a fraction of the reference frequency. Frequency mixing is a technique that combines two signals with different frequencies to generate a signal with a frequency equal to the difference between the two frequencies.

PLLs and frequency synthesis circuits are critical components in many electronic systems that require precise and stable frequencies. These circuits are used in communication systems, signal processing, instrumentation, and other applications where accurate frequency generation and control is required.