National Semiconductor Prescaler & Multivibrators 15

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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	Screening Level	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Load Capacitance (CL)	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	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	Length	Family
CD4538BCN	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS		5	3/15	50 pF	IN-LINE	DIP16,.3	600 ns	Prescaler/Multivibrators	2.54 mm	85 Cel		-40 Cel	2	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	3 V		RETRIGGERABLE	e0	19.305 mm	4000/14000/40000
MM74C221N	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2		CMOS		5	4.5/15	50 pF	IN-LINE	DIP16,.3	500 ns	Prescaler/Multivibrators	2.54 mm	85 Cel		-40 Cel	2	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T16		15 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.5 V		NON-RETRIGGERABLE	e0	19.305 mm	CMOS
MM74HC4538M	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS		5	2/6	50 pF	SMALL OUTLINE	SOP16,.25	69 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G16		6 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	2 V		RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 120NS @ REXT = 1K OHM & CEXT = 12PF	e0	9.9 mm	HC/UH
CD4047BCMX	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS		5		50 pF	SMALL OUTLINE		1200 ns		1.27 mm	85 Cel		-40 Cel	2		DUAL	R-PDSO-G14		15 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	3 V		RETRIGGERABLE; FREE RUNNING/GATABLE ASTABLE OPERATING MODES WITH OSCILLATOR OUTPUT		8.65 mm	4000/14000/40000
5962-8684702EA	National Semiconductor	MONOSTABLE MULTIVIBRATOR	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		CMOS	38535Q/M;38534H;883B	5	2/6		IN-LINE	DIP16,.3		Prescaler/Multivibrators	2.54 mm	125 Cel		-55 Cel	2	TIN LEAD	DUAL	R-GDIP-T16		6 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	2 V			e0	19.43 mm	HC/UH
CD4047BCM	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	14	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	1		CMOS		5	5/15	50 pF	SMALL OUTLINE	SOP14,.25	1200 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G14		15 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	3 V		RETRIGGERABLE; FREE RUNNING/GATABLE ASTABLE OPERATING MODES WITH OSCILLATOR OUTPUT	e0	8.65 mm	4000/14000/40000
CD4047BCN	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	THROUGH-HOLE	14	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	1		CMOS		5	5/15	50 pF	IN-LINE	DIP14,.3	1200 ns	Prescaler/Multivibrators	2.54 mm	85 Cel		-40 Cel	2	Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T14		15 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	3 V		RETRIGGERABLE; FREE RUNNING/GATABLE ASTABLE OPERATING MODES WITH OSCILLATOR OUTPUT	e0	19.18 mm	4000/14000/40000
MM74HC123AM	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS		5	2/6	50 pF	SMALL OUTLINE	SOP16,.25	60 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2	TIN LEAD	DUAL	R-PDSO-G16	1	6 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	2 V		RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e0	9.9 mm	HC/UH
MM74HC221AM	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS		5	2/6	50 pF	SMALL OUTLINE	SOP16,.25	60 ns	Prescaler/Multivibrators	1.27 mm	85 Cel		-40 Cel	2	Tin/Lead (Sn/Pb)	DUAL	R-PDSO-G16		6 V	1.75 mm	3.9 mm	Not Qualified	COMPLEMENTARY	2 V		NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e0	9.9 mm	HC/UH
MM74HC221AMX	National Semiconductor	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	GULL WING	16	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	2		CMOS		5		50 pF	SMALL OUTLINE		60 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		NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO		9.9 mm	HC/UH
54123DMQB	National Semiconductor	MONOSTABLE MULTIVIBRATOR	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL	38535Q/M;38534H;883B	5	5	15 pF	IN-LINE	DIP16,.3	40 ns	Prescaler/Multivibrators	2.54 mm	125 Cel		-55 Cel	2	TIN LEAD	DUAL	R-GDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.5 V	66 mA	RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO; MIN OUTPUT PULSE WIDTH = 80NS	e0	19.43 mm	TTL/H/L
DS8615N-4	National Semiconductor	PRESCALER	OTHER	THROUGH-HOLE	8	DIP	RECTANGULAR	PLASTIC/EPOXY	NO	2	130000000 Hz	ECL		5			IN-LINE	DIP8,.3		Prescaler/Multivibrators	2.54 mm	70 Cel	OPEN-COLLECTOR	-30 Cel	2	TIN LEAD	DUAL	R-PDIP-T8		5.5 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.5 V			e0	9.817 mm	DS86
DM7520J	National Semiconductor	PRESCALER	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC	NO			TTL					IN-LINE	DIP16,.3		Prescaler/Multivibrators	2.54 mm	125 Cel		-55 Cel		Tin/Lead (Sn/Pb)	DUAL	R-XDIP-T16					Not Qualified			75 mA		e0
9602PC	National Semiconductor	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	THROUGH-HOLE	16	DIP	RECTANGULAR	PLASTIC/EPOXY	NO			TTL		5	5		IN-LINE	DIP16,.3		Prescaler/Multivibrators	2.54 mm	70 Cel		0 Cel		Tin/Lead (Sn/Pb)	DUAL	R-PDIP-T16					Not Qualified					e0
DM54123J	National Semiconductor	MONOSTABLE MULTIVIBRATOR	MILITARY	THROUGH-HOLE	16	DIP	RECTANGULAR	CERAMIC, GLASS-SEALED	NO	2		TTL		5	5		IN-LINE	DIP16,.3	40 ns	Prescaler/Multivibrators	2.54 mm	125 Cel		-55 Cel	2	TIN LEAD	DUAL	R-GDIP-T16		5.5 V	5.08 mm	7.62 mm	Not Qualified	COMPLEMENTARY	4.5 V			e0		54

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.