18 Prescaler & Multivibrators 13

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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	Technology	Nominal Supply Voltage / Vsup (V)	Load Capacitance (CL)	Package Style (Meter)	Propagation Delay (tpd)	Terminal Pitch	Maximum Operating Temperature	Output Characteristics	Minimum Operating Temperature	No. of Data/Clock Inputs	Terminal Finish	Terminal Position	Minimum fmax	JESD-30 Code	Maximum Supply Voltage (Vsup)	Maximum Seated Height	Width	Qualification	Output Polarity	Minimum Supply Voltage (Vsup)	Additional Features	JESD-609 Code	Length	Family
TEA8805	STMicroelectronics	PRESCALER	COMMERCIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		5		IN-LINE		2.54 mm	70 Cel		0 Cel	1		DUAL	.5 MHz	R-PDIP-T18	5.5 V	5.08 mm	7.62 mm	Not Qualified	TRUE	4.5 V				TEA88
933699850112	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	CMOS	5		IN-LINE	900 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	8 MHz	R-GDIP-T18	15 V	5.08 mm	7.62 mm	Not Qualified		3 V				4000/14000/40000
933614020112	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	5		IN-LINE	900 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	8 MHz	R-PDIP-T18	15 V	4.7 mm	7.62 mm	Not Qualified		3 V			21.675 mm	4000/14000/40000
933637620112	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	5		IN-LINE	900 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	8 MHz	R-PDIP-T18	15 V	4.7 mm	7.62 mm	Not Qualified		3 V			21.675 mm	4000/14000/40000
HEF4753BDN	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	CMOS	5		IN-LINE	850 ns	2.54 mm	85 Cel		-40 Cel	1	TIN/NICKEL PALLADIUM GOLD	DUAL	3 MHz	R-GDIP-T18	15 V	5.08 mm	7.62 mm	Not Qualified	TRUE	3 V		e3/e4		4000/14000/40000
HEF4753BPB	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	5	50 pF	IN-LINE	900 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	8 MHz	R-PDIP-T18	15 V	4.7 mm	7.62 mm	Not Qualified		3 V	UNIVERSAL TIMER MODULE		21.675 mm	4000/14000/40000
HEF4753BDF	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1				IN-LINE	850 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	8 MHz	R-GDIP-T18		5.08 mm	7.62 mm	Not Qualified	TRUE					4000/14000/40000
HEF4753BDB	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	CMOS	5	50 pF	IN-LINE	900 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	8 MHz	R-GDIP-T18	15 V	5.08 mm	7.62 mm	Not Qualified		3 V	UNIVERSAL TIMER MODULE			4000/14000/40000
HEF4753BD	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	1	CMOS	5	50 pF	IN-LINE	850 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	3 MHz	R-GDIP-T18	15 V	5.08 mm	7.62 mm	Not Qualified		3 V	UNIVERSAL TIMER MODULE			4000/14000/40000
HEF4753VP	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	5		IN-LINE		2.54 mm	85 Cel	3-STATE	-40 Cel		TIN/NICKEL PALLADIUM GOLD	DUAL		R-PDIP-T18	15 V	4.7 mm	7.62 mm	Not Qualified		3 V		e3/e4		4000/14000/40000
HEF4753BPN	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	5		IN-LINE	850 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	3 MHz	R-PDIP-T18	15 V	4.7 mm	7.62 mm	Not Qualified	TRUE	3 V			21.675 mm	4000/14000/40000
HEF4753BP	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1	CMOS	5	50 pF	IN-LINE	850 ns	2.54 mm	85 Cel		-40 Cel	1		DUAL	3 MHz	R-PDIP-T18	15 V	4.7 mm	7.62 mm	Not Qualified		3 V	UNIVERSAL TIMER MODULE		21.675 mm	4000/14000/40000
HEF4753VD	NXP Semiconductors	PRESCALER	INDUSTRIAL	THROUGH-HOLE	18	DIP	RECTANGULAR	CERAMIC, METAL-SEALED COFIRED	NO	1	CMOS	5		IN-LINE		2.54 mm	85 Cel	3-STATE	-40 Cel			DUAL		R-CDIP-T18	15 V	5.08 mm	7.62 mm	Not Qualified		3 V				4000/14000/40000

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.