20 Prescaler & Multivibrators 111

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Part	Manufacturer	Logic IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Schmitt Trigger	Surface Mount	No. of Functions	Maximum Frequency At Nominal Supply	Technology	Screening Level	No. of Bits	Packing Method	Nominal Supply Voltage / Vsup (V)	Power Supplies (V)	Load Capacitance (CL)	Package Style (Meter)	Package Equivalence Code	Propagation Delay (tpd)	Maximum I (ol)	Sub-Category	Terminal Pitch	Maximum Operating Temperature	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)	Maximum Power Supply Current (ICC)	Additional Features	JESD-609 Code	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	Family
SN54HC4538FH	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC		YES			CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			Prescaler/Multivibrators	1.27 mm	125 Cel	-55 Cel			QUAD		S-XQCC-N20				Not Qualified
M38510/31401B2X	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		TTL	MIL-M-38510 Class B			5			CHIP CARRIER		92 ns				125 Cel	-55 Cel	2		QUAD		S-CQCC-N20	5.5 V			Qualified	COMPLEMENTARY	4.5 V							LS
SNJ54HC221FK	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC		YES			CMOS	38535Q/M;38534H;883B				2/6		CHIP CARRIER	LCC20,.35SQ			Prescaler/Multivibrators	1.27 mm	125 Cel	-55 Cel			QUAD		S-XQCC-N20				Not Qualified
SNJ54LS221FK	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	YES	2		TTL	MIL-PRF-38535	2	TUBE	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	80 ns	4 Amp	Prescaler/Multivibrators	1.27 mm	125 Cel	-55 Cel	2	Tin/Lead (Sn/Pb)	QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	COMPLEMENTARY	4.5 V	27 mA	NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN54AHCT123AFKR	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		CMOS				5			CHIP CARRIER		14 ns			1.27 mm	125 Cel	-55 Cel	2		QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	COMPLEMENTARY	4.5 V						8.89 mm	AHCT/VHCT
SNJ54LS123FK	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		TTL	MIL-PRF-38535	2	TUBE	5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	56 ns	4 Amp	Prescaler/Multivibrators	1.27 mm	125 Cel	-55 Cel	2	Tin/Lead (Sn/Pb)	QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	COMPLEMENTARY	4.5 V	20 mA	RETRIGGERABLE	e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SNJ54LS292FK	Texas Instruments	PRESCALER	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	1		TTL	38535Q/M;38534H;883B			5			CHIP CARRIER	LCC20,.35SQ	120 ns		Prescaler/Multivibrators	1.27 mm	125 Cel	-55 Cel	2		QUAD	30 MHz	S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified		4.5 V	75 mA	SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SNJ54LS423FK	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		TTL	38535Q/M;38534H;883B			5	5	15 pF	CHIP CARRIER	LCC20,.35SQ	56 ns		Prescaler/Multivibrators	1.27 mm	125 Cel	-55 Cel	2		QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	COMPLEMENTARY	4.5 V	20 mA	RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 116NS @ REXT = 5K OHM & CEXT = 0		NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SNJ54HC123FK	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC		YES			CMOS	38535Q/M;38534H;883B				2/6		CHIP CARRIER	LCC20,.35SQ			Prescaler/Multivibrators	1.27 mm	125 Cel	-55 Cel			QUAD		S-XQCC-N20				Not Qualified
SN74LS423FN3	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES			TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20
JM38510/31402B2A	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	YES	2		TTL	MIL-M-38510 Class B	2	TUBE	5			CHIP CARRIER		80 ns	4 Amp		1.27 mm	125 Cel	-55 Cel	2	Tin/Lead (Sn/Pb)	QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Not Qualified	COMPLEMENTARY	4.5 V	27 mA	NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	LS
SN74LS221FN3	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES			TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20
SN74LS123FN3	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES			TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20
5962-9860801Q2A	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	HQCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED	YES	YES	2		CMOS	MIL-PRF-38535 Class Q	2	TUBE	3.3	2/5.5	50 pF	CHIP CARRIER, HEAT SINK/SLUG	LCC20,.35SQ	27.5 ns	8 Amp	Prescaler/Multivibrator	1.27 mm	125 Cel	-55 Cel	2	Tin/Lead (Sn/Pb)	QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Qualified	COMPLEMENTARY	2 V	.04 mA	EDGE TRIGGERED FROM ACTIVE-HIGH OR ACTIVE-LOW GATED LOGIC INPUTS	e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AHC/VHC/H/U/V
SN74LS422FN3	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES			TTL							CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20
JM38510/31401	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		TTL				5			CHIP CARRIER		92 ns			1.27 mm	125 Cel	-55 Cel	2		QUAD		S-CQCC-N20	5.5 V	1.9 mm	8.89 mm	Not Qualified	COMPLEMENTARY	4.5 V						8.89 mm	LS
SN74LS123FN	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		TTL				5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	56 ns		Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel	2		QUAD		S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	20 mA	RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS221FN	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		TTL				5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	80 ns		Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel	2		QUAD		S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	27 mA	NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74HC294FH	Texas Instruments	PRESCALER	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC		YES			CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel			QUAD		S-XQCC-N20				Not Qualified						NOT SPECIFIED	NOT SPECIFIED
SN74LS294FN3	Texas Instruments	PRESCALER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES			TTL							CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20
5962-9861601Q2A	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		CMOS	MIL-PRF-38535 Class Q	2	TUBE	5	5	50 pF	CHIP CARRIER	LCC20,.35SQ	14 ns	8 Amp	Prescaler/Multivibrator	1.27 mm	125 Cel	-55 Cel	2	Tin/Lead (Sn/Pb)	QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Qualified	COMPLEMENTARY	4.5 V	.04 mA	EDGE TRIGGERED FROM ACTIVE-HIGH OR ACTIVE-LOW GATED LOGIC INPUTS	e0	NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AHCT/VHCT/VT
SN74LS422FN	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1		TTL				5		15 pF	CHIP CARRIER	LDCC20,.4SQ	56 ns		Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel	4		QUAD		S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	11 mA	RETRIGGERABLE; OPTIONAL INTERNAL TIMING RESISTOR		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS294FN	Texas Instruments	PRESCALER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1		TTL				5			CHIP CARRIER	LDCC20,.4SQ	120 ns		Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel	2		QUAD	30 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified		4.75 V	50 mA	SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF15		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS122FN	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1		TTL				5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	56 ns		Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel	4		QUAD		S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	11 mA	RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS292FN	Texas Instruments	PRESCALER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1		TTL				5			CHIP CARRIER	LDCC20,.4SQ	120 ns		Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel	2		QUAD	30 MHz	S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified		4.75 V	75 mA	SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
5962-9860801Q2X	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		CMOS	MIL-PRF-38535 Class Q			3.3		50 pF	CHIP CARRIER		27.5 ns			1.27 mm	125 Cel	-55 Cel	2		QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Qualified	COMPLEMENTARY	2 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AHC
SN74LS292FN3	Texas Instruments	PRESCALER	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES			TTL							CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20
SN74LS423FN	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		TTL				5	5	15 pF	CHIP CARRIER	LDCC20,.4SQ	56 ns		Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel	2		QUAD		S-PQCC-J20	5.25 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	4.75 V	20 mA	RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 116NS @ REXT = 5K OHM & CEXT = 0		NOT SPECIFIED	NOT SPECIFIED	8.9662 mm	LS
SN74LS122FN3	Texas Instruments	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES			TTL				5	5		CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20
5962-9861601Q2X	Texas Instruments	MONOSTABLE MULTIVIBRATOR	MILITARY	NO LEAD	20	QCCN	SQUARE	CERAMIC, METAL-SEALED COFIRED		YES	2		CMOS	MIL-PRF-38535 Class Q			5		50 pF	CHIP CARRIER		14 ns			1.27 mm	125 Cel	-55 Cel	2		QUAD		S-CQCC-N20	5.5 V	2.03 mm	8.89 mm	Qualified	COMPLEMENTARY	4.5 V				NOT SPECIFIED	NOT SPECIFIED	8.89 mm	AHCT/VHCT
SN74HC4538FH	Texas Instruments	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC		YES			CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel			QUAD		S-XQCC-N20				Not Qualified
SN74HC292FH	Texas Instruments	PRESCALER	INDUSTRIAL	NO LEAD	20	QCCN	SQUARE	CERAMIC		YES			CMOS					2/6		CHIP CARRIER	LCC20,.35SQ			Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel			QUAD		S-XQCC-N20				Not Qualified						NOT SPECIFIED	NOT SPECIFIED
MC10198FNR2	Onsemi	MONOSTABLE MULTIVIBRATOR	OTHER	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1		ECL							CHIP CARRIER	LDCC20,.4SQ	3.2 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-30 Cel	1	TIN LEAD	QUAD		S-PQCC-J20		4.57 mm	8.965 mm	Not Qualified	COMPLEMENTARY			RETRIGGERABLE; HIGH SPEED INPUT FOR BYPASSING THE SCHMITT TRIGGER	e0		235	8.965 mm	10K
MC10198FN	Onsemi	MONOSTABLE MULTIVIBRATOR	OTHER	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1		ECL							CHIP CARRIER	LDCC20,.4SQ	3.2 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-30 Cel	1	TIN LEAD	QUAD		S-PQCC-J20		4.57 mm	8.965 mm	Not Qualified	COMPLEMENTARY			RETRIGGERABLE; HIGH SPEED INPUT FOR BYPASSING THE SCHMITT TRIGGER	e0		235	8.965 mm	10K
TEA8805D	STMicroelectronics	PRESCALER	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY		YES	1						5			SMALL OUTLINE					1.27 mm	70 Cel	0 Cel	1		DUAL	.5 MHz	R-PDSO-G20	5.5 V	2.65 mm	7.5 mm	Not Qualified	TRUE	4.5 V						12.8 mm	TEA88
T74LS122C1	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES							5	5		CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20				Not Qualified
M74HC423C1	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	60 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	TIN LEAD	QUAD		S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	2 V		RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 118NS @ REXT = 1K OHM & CEXT = 0	e0			8.9662 mm	HC/UH
M74HC221C1	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	70 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	TIN LEAD	QUAD		S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	2 V		NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e0			8.9662 mm	HC/UH
M74HC123C1	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	60 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	TIN LEAD	QUAD		S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	2 V		RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e0			8.9662 mm	HC/UH
M74HC221AC1R	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	53 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	MATTE TIN	QUAD		S-PQCC-J20	6 V	4.57 mm	8.965 mm	Not Qualified	COMPLEMENTARY	2 V		NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e3			8.965 mm	HC/UH
M74HC7292C1	STMicroelectronics	PRESCALER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1	20000000 Hz	CMOS					2/6		CHIP CARRIER	LDCC20,.4SQ	635 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	TIN LEAD	QUAD	24 MHz	S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	INVERTED	2 V			e0			8.9662 mm	HC/UH
T74LS221C1	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES							5	5		CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20				Not Qualified
M74HC423C1R	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	53 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	MATTE TIN	QUAD		S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	2 V		RETRIGGERABLE	e3			8.9662 mm	HC/UH
M74HC7292C1R	STMicroelectronics	PRESCALER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1	22000000 Hz	CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	88 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	MATTE TIN	QUAD	22 MHz	S-PQCC-J20	6 V	4.57 mm	8.965 mm	Not Qualified		2 V		SELECTABLE DIVISION RATIO 2 TO THE POWER OF 2 TO 2 TO THE POWER OF 31	e3			8.965 mm	HC/UH
M74HC4538C1	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	63 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2		QUAD		S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	COMPLEMENTARY	2 V		RETRIGGERABLE; MIN OUTPUT PULSE WIDTH = 140NS @ REXT = 1K OHM & CEXT = 12PF				8.9662 mm	HC/UH
M74HC221C1R	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	2		CMOS				5	2/6	50 pF	CHIP CARRIER	LDCC20,.4SQ	53 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	MATTE TIN	QUAD		S-PQCC-J20	6 V	4.57 mm	8.965 mm	Not Qualified	COMPLEMENTARY	2 V		NON-RETRIGGERABLE; TRIGGERABLE FROM CLEAR INPUT ALSO	e3			8.965 mm	HC/UH
T74LS123C1	STMicroelectronics	MONOSTABLE MULTIVIBRATOR	COMMERCIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES							5	5		CHIP CARRIER	LDCC20,.4SQ			Prescaler/Multivibrators	1.27 mm	70 Cel	0 Cel			QUAD		S-PQCC-J20				Not Qualified
M74HC292C1	STMicroelectronics	PRESCALER	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY		YES	1	20000000 Hz	CMOS					2/6		CHIP CARRIER	LDCC20,.4SQ	635 ns		Prescaler/Multivibrators	1.27 mm	85 Cel	-40 Cel	2	TIN LEAD	QUAD	24 MHz	S-PQCC-J20	6 V	4.57 mm	8.9662 mm	Not Qualified	INVERTED	2 V			e0			8.9662 mm	HC/UH

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.