Renesas Electronics Prescaler & Multivibrators 222

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	No. of Functions	Maximum Frequency At Nominal Supply	Technology	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Propagation Delay (tpd)	Sub-Category	Terminal Pitch	Maximum Operating Temperature	Output Characteristics	Minimum Operating Temperature	No. of Data/Clock Inputs	Terminal Finish	Terminal Position	Minimum fmax	JESD-30 Code	Moisture Sensitivity Level (MSL)	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Output Polarity	Minimum Supply Voltage (Vsup)	Maximum Power Supply Current (ICC)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Family
UPB1507GV-E1-A	Renesas Electronics	PRESCALER	INDUSTRIAL	GULL WING	8	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		BIPOLAR	5		SMALL OUTLINE, SHRINK PITCH				.65 mm	85 Cel		-40 Cel	1		DUAL	3000 MHz	R-PDSO-G8		5.5 V	1.8 mm		Not Qualified		4.5 V		128 DIVISION RATIO ALSO AVAILABLE				3.2 mm	1507
UPB1508GV-E1	Renesas Electronics	PRESCALER	INDUSTRIAL	GULL WING	8	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	3000000000 Hz	BIPOLAR	5	5	SMALL OUTLINE, SHRINK PITCH	SSOP8,.2		Prescaler/Multivibrators	.65 mm	85 Cel		-40 Cel	1	TIN LEAD	DUAL	3000 MHz	R-PDSO-G8		5.5 V	1.8 mm		Not Qualified		4.5 V	14.5 mA		e0			3.2 mm	1508
UPB1508GV-E1-A	Renesas Electronics	PRESCALER	INDUSTRIAL	GULL WING	8	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1	3000000000 Hz	BIPOLAR	5	5	SMALL OUTLINE, SHRINK PITCH	SSOP8,.2		Prescaler/Multivibrators	.65 mm	85 Cel		-40 Cel	1	MATTE TIN	DUAL	3000 MHz	R-PDSO-G8	1	5.5 V	1.8 mm		Not Qualified		4.5 V	14.5 mA		e3		225	3.2 mm	1508
HD74HC294RP	Renesas Electronics	PRESCALER	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	4.5		SMALL OUTLINE		750 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		6 V	1.75 mm	3.9 mm	Not Qualified		2 V						9.9 mm	HC/UH
UPB587G-E2	Renesas Electronics	PRESCALER	COMMERCIAL EXTENDED	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		ECL	3		SMALL OUTLINE				1.27 mm	75 Cel		-20 Cel	1		DUAL	1000 MHz	R-PDSO-G8		3.5 V	1.8 mm	4.4 mm		TRUE	2.2 V		LG-MAX; SELECTABLE DIVISION RATIO 4				5.37 mm	UPB58
HD74LV221ARPEL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	2.5	2.5/5	SMALL OUTLINE	SOP16,.25	42 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		5.5 V	1.75 mm	3.95 mm	Not Qualified	COMPLEMENTARY	2 V						9.9 mm	LV/LV-A/LVX/H
UPB568G	Renesas Electronics	PRESCALER	OTHER	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1150000000 Hz	BIPOLAR	5	5	SMALL OUTLINE	SOP8,.25		Prescaler/Multivibrators	1.27 mm	70 Cel		-35 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G8					Not Qualified			42 mA		e0
HD74LS123FP	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	5	5	SMALL OUTLINE	SOP16,.3	56 ns	Prescaler/Multivibrators	1.27 mm	75 Cel		-20 Cel	2		DUAL		R-PDSO-G16	1		2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY					20	260	10.06 mm	LS
HD74HC292P-E	Renesas Electronics	PRESCALER	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS	4.5		IN-LINE		750 ns		2.54 mm	85 Cel		-40 Cel	2		DUAL		R-PDIP-T16	1	6 V	5.06 mm	7.62 mm	Not Qualified	TRUE	2 V						19.2 mm	HC/UH
HD74LV2G123AUS	Renesas Electronics	MONOSTABLE MULTIVIBRATOR		GULL WING	8	VSSOP	RECTANGULAR	PLASTIC/EPOXY	YES						SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH				.5 mm						DUAL		R-PDSO-G8			.9 mm	2 mm	Not Qualified								2.3 mm	LV/LV-A/LVX/H
HD74AC123AFPEL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	3.3		SMALL OUTLINE		22 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		6 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V						10.06 mm	AC
UPB572C	Renesas Electronics	PRESCALER	OTHER	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		500000000 Hz	BIPOLAR	5	5	IN-LINE	DIP8,.3		Prescaler/Multivibrators	2.54 mm	70 Cel		-35 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDIP-T8					Not Qualified			15.7 mA		e0
UPB588B	Renesas Electronics	PRESCALER	COMMERCIAL	FLAT	8	DFP	RECTANGULAR	CERAMIC	YES		2500000000 Hz	BIPOLAR	5	5	FLATPACK	FL8,.2FL		Prescaler/Multivibrators	1.27 mm	70 Cel		-20 Cel		Tin/Lead (Sn/Pb)	DUAL		R-XDFP-F8					Not Qualified			34 mA		e0
UPB595GR	Renesas Electronics	PRESCALER	OTHER	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1150000000 Hz	BIPOLAR	5	5	SMALL OUTLINE	SOP8,.25		Prescaler/Multivibrators	1.27 mm	70 Cel		-35 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G8					Not Qualified			33 mA		e0
HD74LV123AT	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	2.5		SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		42 ns		.65 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		5.5 V	1.1 mm	4.4 mm	Not Qualified	COMPLEMENTARY	2 V						5 mm	LV/LV-A/LVX/H
HD74LV2GT123AUSE	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	8	VSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS	3.3	3.3	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	TSSOP8,.12,20	27.5 ns	Prescaler/Multivibrators	.5 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G8		5.5 V	.9 mm	2 mm	Not Qualified		3 V						2.3 mm	LV/LV-A/LVX/H
HD74HC292FP	Renesas Electronics	PRESCALER	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	4.5		SMALL OUTLINE		750 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		6 V	2.2 mm	5.5 mm	Not Qualified		2 V						10.06 mm	HC/UH
HD14538BRP	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	5		SMALL OUTLINE		600 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		18 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	3 V						9.9 mm	4000/14000/40000
UPB562C	Renesas Electronics	PRESCALER	OTHER	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		1000000000 Hz		5	5	IN-LINE	DIP8,.3		Prescaler/Multivibrators	2.54 mm	70 Cel		-35 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDIP-T8					Not Qualified			30 mA		e0
HD74LV123ARPEL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	2.5	3.3	SMALL OUTLINE	SOP16,.25	42 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		5.5 V	1.75 mm	3.95 mm	Not Qualified	COMPLEMENTARY	2 V						9.9 mm	LV/LV-A/LVX/H
HD74HC123AP-E	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS	4.5		IN-LINE		300 ns		2.54 mm	85 Cel		-40 Cel	2		DUAL		R-PDIP-T16	1	6 V	5.06 mm	7.62 mm	Not Qualified	COMPLEMENTARY	2 V						19.2 mm	HC/UH
HD74HC221FP	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	4.5		SMALL OUTLINE		300 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16	1	6 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V						10.06 mm	HC/UH
HD74HC221RP-EL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	4.5		SMALL OUTLINE		300 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		6 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	2 V						9.9 mm	HC/UH
UPG503P	Renesas Electronics	PRESCALER	OTHER									GAAS		3.8,-2.2		DIE OR CHIP		Prescaler/Multivibrators		70 Cel		-25 Cel										Not Qualified
HD74HC4538P-E	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS	4.5		IN-LINE		325 ns		2.54 mm	85 Cel		-40 Cel	2		DUAL		R-PDIP-T16	1	6 V	5.06 mm	7.62 mm	Not Qualified	COMPLEMENTARY	2 V						19.2 mm	HC/UH
UPG503B	Renesas Electronics	PRESCALER	OTHER	FLAT	8	DFP	RECTANGULAR	CERAMIC	YES			GAAS		3.8,-2.2	FLATPACK	FL8,.2		Prescaler/Multivibrators	1.27 mm	70 Cel		-25 Cel		Tin/Lead (Sn/Pb)	DUAL		R-XDFP-F8					Not Qualified					e0
UPB558G	Renesas Electronics	PRESCALER	OTHER	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		260000000 Hz	BIPOLAR		2/3.5	SMALL OUTLINE	SOP8,.25		Prescaler/Multivibrators	1.27 mm	70 Cel		-30 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G8					Not Qualified			4.7 mA		e0
HD74HC123AT	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS			SMALL OUTLINE, THIN PROFILE, SHRINK PITCH		300 ns		.65 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		6 V	1.1 mm	4.4 mm	Not Qualified	COMPLEMENTARY	2 V						5.2 mm	HC/UH
HD74HC4538FPEL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	4.5	2/6	SMALL OUTLINE	SOP16,.3	325 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16	1	6 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V				20	260	10.06 mm	HC/UH
UPB565C	Renesas Electronics	PRESCALER	OTHER	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		1000000000 Hz	BIPOLAR	5	5	IN-LINE	DIP8,.3		Prescaler/Multivibrators	2.54 mm	70 Cel		-30 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDIP-T8					Not Qualified			53.5 mA		e0
HD74AC123AFP-E	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	3.3		SMALL OUTLINE		22 ns		1.27 mm	85 Cel		-40 Cel	2	TIN BISMUTH	DUAL		R-PDSO-G16	1	3.6 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	3 V		ALSO OPERATES WITH 5V SUPPLY	e6			10.06 mm	AC
HD74LS123RPEL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	5	5	SMALL OUTLINE	SOP16,.25	56 ns	Prescaler/Multivibrators	1.27 mm	75 Cel		-20 Cel	2		DUAL		R-PDSO-G16	1	5.25 V	1.75 mm	3.95 mm	Not Qualified	COMPLEMENTARY	4.75 V				20	260	9.9 mm	LS
HD74LS221FP-E	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL EXTENDED	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		TTL	5		SMALL OUTLINE		80 ns		1.27 mm	75 Cel		-20 Cel	2	TIN BISMUTH	DUAL		R-PDSO-G16	1	5.25 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	4.75 V			e6			10.06 mm	LS
HD74HC4538P	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS	4.5	2/6	IN-LINE	DIP16,.3	325 ns	Prescaler/Multivibrators	2.54 mm	85 Cel		-40 Cel	2	NICKEL PALLADIUM GOLD	DUAL		R-PDIP-T16	1	6 V	5.06 mm	7.62 mm	Not Qualified	COMPLEMENTARY	2 V			e4			19.2 mm	HC/UH
HD74LV2G123AUSE-E	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	8	VSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS	1.8		SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH		82 ns		.5 mm	85 Cel	3-STATE	-40 Cel	2		DUAL		R-PDSO-G8	1	5.5 V	.9 mm	2 mm	Not Qualified		1.65 V						2.3 mm	LV/LV-A/LVX/H
HD74HC423AFPEL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	4.5	2/6	SMALL OUTLINE	SOP16,.3	300 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16	1	6 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V				20	260	10.06 mm	HC/UH
HD74HC221P	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS	4.5	2/6	IN-LINE	DIP16,.3	300 ns	Prescaler/Multivibrators	2.54 mm	85 Cel		-40 Cel	2		DUAL		R-PDIP-T16	1	6 V	5.06 mm	7.62 mm	Not Qualified	COMPLEMENTARY	2 V						19.2 mm	HC/UH
UPB569G	Renesas Electronics	PRESCALER	OTHER	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		550000000 Hz	BIPOLAR		3.3/5	SMALL OUTLINE	SOP8,.25		Prescaler/Multivibrators	1.27 mm	85 Cel		-30 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G8					Not Qualified			10 mA		e0
HD74LV123AFPEL-E	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	2.5		SMALL OUTLINE		42 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16	1	5.5 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V						10.06 mm	LV/LV-A/LVX/H
HD74LS221FP	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES			TTL	5	5	SMALL OUTLINE	SOP16,.3		Prescaler/Multivibrators	1.27 mm	70 Cel		-20 Cel			DUAL		R-PDSO-G16	1				Not Qualified						20	260
HD74AC123AFPVEL	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	3.3		SMALL OUTLINE		22 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16		6 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V						10.06 mm	AC
HD74LV123AFP-E	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	2.5		SMALL OUTLINE		42 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16	1	5.5 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V						10.06 mm	LV/LV-A/LVX/H
UPB582C	Renesas Electronics	PRESCALER	COMMERCIAL	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO		2400000000 Hz	BIPOLAR	5	5	IN-LINE	DIP8,.3		Prescaler/Multivibrators	2.54 mm	70 Cel		-20 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDIP-T8					Not Qualified			60 mA		e0
HD74LS221	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO			TTL	5	5	IN-LINE	DIP16,.3		Prescaler/Multivibrators	2.54 mm	70 Cel		-20 Cel			DUAL		R-XDIP-T16					Not Qualified
HD74HC4538FP	Renesas Electronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS	4.5	2/6	SMALL OUTLINE	SOP16,.3	325 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2		DUAL		R-PDSO-G16	1	6 V	2.2 mm	5.5 mm	Not Qualified	COMPLEMENTARY	2 V				20	260	10.06 mm	HC/UH
UPG506B	Renesas Electronics	PRESCALER	OTHER	FLAT	8	DFP	RECTANGULAR	CERAMIC	YES		14000000000 Hz	GAAS		3.8,-2	FLATPACK	FL8,.2FL		Prescaler/Multivibrators	1.27 mm	70 Cel		-25 Cel		Tin/Lead (Sn/Pb)	DUAL		R-XDFP-F8					Not Qualified					e0
UPG501B	Renesas Electronics	PRESCALER	OTHER	FLAT	8	DFP	RECTANGULAR	CERAMIC	YES		5000000000 Hz	GAAS	10	10	FLATPACK	FL8,.2		Prescaler/Multivibrators	1.27 mm	70 Cel		-25 Cel		Tin/Lead (Sn/Pb)	DUAL		R-XDFP-F8					Not Qualified			90 mA		e0
UPB597GR	Renesas Electronics	PRESCALER	OTHER	GULL WING	8	SOP	RECTANGULAR	PLASTIC/EPOXY	YES		1000000000 Hz	BIPOLAR		3/5	SMALL OUTLINE	SOP8,.25		Prescaler/Multivibrators	1.27 mm	70 Cel		-35 Cel		Tin/Lead (Sn/Pb)	DUAL		R-PDSO-G8					Not Qualified			16.5 mA		e0

Prescaler & Multivibrators

Prescalers and multivibrators are electronic circuits used in digital systems for various purposes.

A prescaler is a digital circuit that divides the frequency of an input signal by a certain factor to produce a lower frequency output signal. Prescalers are used in frequency synthesizers, where a high-frequency signal needs to be divided down to a lower frequency for further processing. Prescalers can be designed using various technologies, including TTL, CMOS, and FPGAs.

A multivibrator is a digital circuit that can generate a square wave output signal with a specified frequency and duty cycle. Multivibrators can be classified into two types: astable multivibrators and monostable multivibrators. Astable multivibrators can generate a continuous square wave output signal without any external triggering, while monostable multivibrators can generate a single pulse output signal in response to an external trigger signal.

Astable multivibrators are commonly used in digital systems to generate clock signals for synchronous circuits. They can also be used in digital signal processing applications, such as frequency modulation and pulse width modulation.

Monostable multivibrators are commonly used in digital systems to generate pulse signals for timing and control purposes. They can also be used in electronic circuits for pulse shaping and pulse stretching.

Prescalers and multivibrators are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.