PART NO.	PRICE		STOCK	MANUFACTURE	DESCRIPTION	Type	Mounting Style	Package / Case	Maximum Operating Temperature	Series	Packaging	Supply Voltage - Max	Supply Voltage - Min	Number of Internal Timers
NE555P	1+ $0.430 10+ $0.332 100+ $0.180 1000+ $0.135	PDF RFQ	32,708 In-stock	Texas instruments	Timers & Support Products Precision	Standard	Through Hole	PDIP-8	+ 70 C	NE555	Tube	16 V	4.5 V	1 Timer
LM555CN	1+ $0.420 10+ $0.313 100+ $0.170 1000+ $0.128	PDF RFQ	22,407 In-stock	Fairchild Semiconductor	Timers & Support Products Single Timer	Standard	Through Hole	PDIP-8	+ 70 C	LM555	Tube	16 V	4.5 V	1 Timer
ICM7242IPA+	1+ $2.710 10+ $2.580 50+ $2.550 250+ $2.410	PDF RFQ	300 In-stock	Maxim Integrated	Timers & Support Products Programmable RC Timer/Counter	Programmable	Through Hole	PDIP-8	+ 85 C	ICM7242	Tube	16 V	2 V	1 Timer
NE555PE4	1+ $0.430 10+ $0.332 100+ $0.180 1000+ $0.135	PDF RFQ	2,378 In-stock	Texas instruments	Timers & Support Products Precision	Standard	Through Hole	PDIP-8	+ 70 C	NE555	Tube	16 V	4.5 V	1 Timer
TLC551CP	1+ $1.810 10+ $1.540 100+ $1.230 500+ $1.070	PDF RFQ	605 In-stock	Texas instruments	Timers & Support Products CMOS	Standard	Through Hole	PDIP-8	+ 70 C	TLC551	Tube	15 V	1 V	1 Timer
TLC551CPE4	1+ $1.810 10+ $1.540 100+ $1.230 500+ $1.070	PDF RFQ	350 In-stock	Texas instruments	Timers & Support Products LINCMOS TIMER	Standard	Through Hole	PDIP-8	+ 70 C	TLC551	Tube	15 V	1 V	1 Timer
CP82C54-12Z	1+ $13.100 10+ $12.050 25+ $11.550 100+ $10.180	PDF RFQ	313 In-stock	Intersil	Timers & Support Products W/ANNEAL PERIPH PRG- CNTR 5V 5...	Programmable	Through Hole	PDIP-24	+ 70 C	CP82C54	Tube	5.5 V	4.5 V	1 Timer