Oscillators and Timers | Obsolete, EOL & Hard-to-Find

Image	Mfr.Part #	Manufacturer	Description	Est. Availability	Reference Pricing
Datasheet	LMK61E07-SIAT	Texas Instruments	Clock Oscillator IC 400MHz, 900MHz, 1GHz 6-SMD Module	779 Available	25+ $30.49 100+ $28.71 250+ $26.87
Datasheet	LMK6DA12288ADLER	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN	1,998 Available	250+ $4.22 500+ $3.97 1000+ $3.82
	LTC6906CS6#TRPBF	Analog Devices	Oscillator, Silicon IC 10kHz ~ 1MHz SOT-23-6	2,775 Available	250+ $3.71 500+ $3.47 1000+ $3.32
Datasheet	SN74LS628DR	Texas Instruments	VCO IC 20MHz 14-SOIC	620 Available	250+ $3.66 500+ $3.56
	LMK6CE10000DDLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN	2,592 Available	250+ $2.63 500+ $2.47 1000+ $2.45
Datasheet	MIC1555YM5-TR	Microchip	555 Type, Timer/Oscillator (Single) IC 5MHz SOT-23-5	17,523 Available	3000+ $0.38
Datasheet	LMK6CE07425DDLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN	1,604 Available	250+ $2.63 500+ $2.47 1000+ $2.44
Datasheet	LM555CMMX/NOPB	Texas Instruments	555 Type, Timer/Oscillator (Single) IC 100kHz 8-MSOP	6,299 Available	1000+ $0.69 3500+ $0.65
	LTC6992CS6-1#TRPBF	Analog Devices	Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6	1,355 Available	250+ $4.18
	LTC6995IS6-2#TRMPBF	Analog Devices	Oscillator, Silicon IC 29.1µHz ~ 977Hz SOT-23-6	11,972 Available	250+ $4.05 500+ $3.84 1000+ $3.8
Datasheet	LMK60A0-148M50SIAT	Texas Instruments	Clock Oscillator IC 148.5MHz 6-SMD Module	222 Available	50+ $20.78 100+ $19.56
	S-35710C01I-K8T2U	ABLIC Inc	- IC 1MHz 8-MSOP	1,725 Available	500+ $1.52 1000+ $1.46
Datasheet	NA556DR	Texas Instruments	555 Type, Timer/Oscillator (Dual) IC - 14-SOIC	9,375 Available	2500+ $0.4 5000+ $0.39
Datasheet	LM555CMM/NOPB	Texas Instruments	555 Type, Timer/Oscillator (Single) IC 100kHz 8-MSOP	1,698 Available	1000+ $0.79
Datasheet	NA555DR	Texas Instruments	555 Type, Timer/Oscillator (Single) IC 100kHz 8-SOIC	14,481 Available	5000+ $0.11
Datasheet	LMK6CE04000CDLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN	3,549 Available	500+ $1.3 1000+ $1.22 3000+ $1.1
Datasheet	LTC6992IS6-2#TRPBF	Analog Devices	Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6	441 Available	250+ $4.64
Datasheet	LMK6DA12500ADLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN	5,471 Available	250+ $4.27 500+ $4.16 1000+ $4.11 More
Datasheet	LMK61E2-SIAT	Texas Instruments	Clock Oscillator IC 400MHz, 900MHz, 1GHz 8-SMD Module	372 Available	25+ $46.16 100+ $43.33 250+ $39.77
	LTC6992HS6-1#WTRMPBF	Analog Devices	Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6	747 Available	100+ $6.55 250+ $6.15 500+ $5.95
Datasheet	SN74S124N	Texas Instruments	VCO (Dual) IC 1Hz ~ 60MHz 16-DIP	68 Available	50+ $11.85
Datasheet	LMK6DA20000ADLER	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN	502 Available	250+ $4.27 500+ $4.16
Datasheet	CD4536BPWR	Texas Instruments	Programmable Timer IC 5MHz 16-TSSOP	2,884 Available	2000+ $0.5
Datasheet	LTC6992HS6-4#WTRMPBF	Analog Devices	Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6	1,624 Available	100+ $6.64 500+ $5.54
	LMK61A2-125M00SIAT	Texas Instruments	Clock Oscillator IC 125MHz 6-SMD Module	341 Available	100+ $9.81 250+ $8.91
Datasheet	LTC6930HDCB-8.00#TRMPBF	Analog Devices	Oscillator, Silicon IC 8MHz 8-WFDFN EP	300 Available	250+ $5.08
Datasheet	LMK6PA15625ADLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN	2,672 Available	250+ $4.19 500+ $3.93 1000+ $3.77
Datasheet	TLC555QDRQ1	Texas Instruments	555 Type, Timer/Oscillator (Single) IC 2.1MHz 8-SOIC	2,281 Available	1000+ $0.67
Datasheet	LTC6908IDCB-1#TRPBF	Analog Devices	Oscillator, Silicon IC 50kHz ~ 10MHz 6-WFDFN EP	1,087 Available	250+ $4.86 500+ $4.82 1000+ $4.7
Datasheet	CD4541BM	Texas Instruments	Programmable Timer IC 100kHz 14-SOIC	1,348 Available	1000+ $0.67
Datasheet	LMK61A2-156M25SIAT	Texas Instruments	Clock Oscillator IC 156.25MHz 6-SMD Module	405 Available	50+ $12.84 100+ $12.32 250+ $11.23
Datasheet	TPL5110DDCR	Texas Instruments	Programmable Timer IC - SOT-23-6	2,142 Available	1000+ $0.68
Datasheet	LTC6905CS5-133#TRMPBF	Analog Devices	Oscillator, Silicon IC 133MHz SOT-23-5	266 Available	250+ $2.73
Datasheet	TS556IDTTR	STMicroelectronics	555 Type, Timer/Oscillator (Dual) IC 2.7MHz 14-SOIC	43,848 Available	1000+ $0.93 2500+ $0.84 5000+ $0.82
Datasheet	LMK6CE04800DDLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN	2,574 Available	250+ $2.63 500+ $2.47 1000+ $2.38
Datasheet	LMK6CE012288CDLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN	1,980 Available	250+ $2.63 500+ $2.47 1000+ $2.38
Datasheet	LMK6CE03333CDLER	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN	2,448 Available	250+ $2.63 500+ $2.47 1000+ $2.44
Datasheet	LTC6992IS6-3#TRMPBF	Analog Devices	Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6	5,889 Available	250+ $4.53 500+ $4.38 1000+ $4.33
Datasheet	LMK6HA10000ADLER	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN	1,919 Available	250+ $4.35
Datasheet	LMC555CTPX/NOPB	Texas Instruments	555 Type, Timer/Oscillator (Single) IC 3MHz 8-UFBGA	6,064 Available	500+ $1.14 1000+ $1.11 3000+ $1.04 More
Datasheet	LMK6HA10000BDLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN	2,262 Available	250+ $4.38 500+ $4.16 1000+ $4.11
Datasheet	LTC6992HS6-4#TRMPBF	Analog Devices	Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6	212 Available	100+ $6.01
Datasheet	LM555CM/NOPB	Texas Instruments	555 Type, Timer/Oscillator (Single) IC 100kHz 8-SOIC	4,665 Available	1045+ $0.78 2565+ $0.74
Datasheet	TPL5100DGSR	Texas Instruments	Programmable Timer IC - 10-MSOP	2,899 Available	500+ $1.13
Datasheet	LMK61A2-100M00SIAT	Texas Instruments	Clock Oscillator IC 100MHz 6-SMD Module	247 Available	100+ $9.85
Datasheet	CD4536BNSR	Texas Instruments	Programmable Timer IC 5MHz 16-SOIC	3,203 Available	2000+ $0.49
Datasheet	LTC6908IDCB-1#TRMPBF	Analog Devices	Oscillator, Silicon IC 50kHz ~ 10MHz 6-WFDFN EP	963 Available	100+ $5.57 500+ $4.63
	TPS3430WDRCR	Texas Instruments	Watchdog Circuit IC - 10-VFDFN EP	16,972 Available	500+ $1.44 1000+ $1.38 3000+ $1.32
	MC100EL1648DTR2G	onsemi	VCO IC 1.1GHz 8-MSOP	6,850 Available	100+ $7.35 250+ $6.85 500+ $6.52 More
	LMK6CE10000CDLFR	Texas Instruments	Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN	3,122 Available	250+ $2.63 500+ $2.47 1000+ $2.45 More

LMK61E07-SIAT - Oscillators and Timers

LMK61E07-SIAT

Texas Instruments

Oscillators and Timers

Available : 779
25 : $30.49

LMK6DA12288ADLER - Oscillators and Timers

LMK6DA12288ADLER

Texas Instruments

Oscillators and Timers

Available : 1,998
250 : $4.22

LTC6906CS6#TRPBF - Oscillators and Timers

LTC6906CS6#TRPBF

Analog Devices

Oscillators and Timers

Available : 2,775
250 : $3.71

SN74LS628DR - Oscillators and Timers

SN74LS628DR

Texas Instruments

Oscillators and Timers

Available : 620
250 : $3.66

LMK6CE10000DDLFR - Oscillators and Timers

LMK6CE10000DDLFR

Texas Instruments

Oscillators and Timers

Available : 2,592
250 : $2.63

MIC1555YM5-TR - Oscillators and Timers

MIC1555YM5-TR

Microchip

Oscillators and Timers

Available : 17,523
3000 : $0.38

LMK6CE07425DDLFR - Oscillators and Timers

LMK6CE07425DDLFR

Texas Instruments

Oscillators and Timers

Available : 1,604
250 : $2.63

LM555CMMX/NOPB - Oscillators and Timers

LM555CMMX/NOPB

Texas Instruments

Oscillators and Timers

Available : 6,299
1000 : $0.69

LTC6992CS6-1#TRPBF - Oscillators and Timers

LTC6992CS6-1#TRPBF

Analog Devices

Oscillators and Timers

Available : 1,355
250 : $4.18

LTC6995IS6-2#TRMPBF - Oscillators and Timers

LTC6995IS6-2#TRMPBF

Analog Devices

Oscillators and Timers

Available : 11,972
250 : $4.05

LMK60A0-148M50SIAT - Oscillators and Timers

LMK60A0-148M50SIAT

Texas Instruments

Oscillators and Timers

Available : 222
50 : $20.78

S-35710C01I-K8T2U - Oscillators and Timers

S-35710C01I-K8T2U

ABLIC Inc

Oscillators and Timers

Available : 1,725
500 : $1.52

NA556DR - Oscillators and Timers

NA556DR

Texas Instruments

Oscillators and Timers

Available : 9,375
2500 : $0.40

LM555CMM/NOPB - Oscillators and Timers

LM555CMM/NOPB

Texas Instruments

Oscillators and Timers

Available : 1,698
1000 : $0.79

NA555DR - Oscillators and Timers

NA555DR

Texas Instruments

Oscillators and Timers

Available : 14,481
5000 : $0.11

LMK6CE04000CDLFR - Oscillators and Timers

LMK6CE04000CDLFR

Texas Instruments

Oscillators and Timers

Available : 3,549
500 : $1.30

LTC6992IS6-2#TRPBF - Oscillators and Timers

LTC6992IS6-2#TRPBF

Analog Devices

Oscillators and Timers

Available : 441
250 : $4.64

LMK6DA12500ADLFR - Oscillators and Timers

LMK6DA12500ADLFR

Texas Instruments

Oscillators and Timers

Available : 5,471
250 : $4.27

LMK61E2-SIAT - Oscillators and Timers

LMK61E2-SIAT

Texas Instruments

Oscillators and Timers

Available : 372
25 : $46.16

LTC6992HS6-1#WTRMPBF - Oscillators and Timers

LTC6992HS6-1#WTRMPBF

Analog Devices

Oscillators and Timers

Available : 747
100 : $6.55

SN74S124N - Oscillators and Timers

SN74S124N

Texas Instruments

Oscillators and Timers

Available : 68
50 : $11.85

LMK6DA20000ADLER - Oscillators and Timers

LMK6DA20000ADLER

Texas Instruments

Oscillators and Timers

Available : 502
250 : $4.27

CD4536BPWR - Oscillators and Timers

CD4536BPWR

Texas Instruments

Oscillators and Timers

Available : 2,884
2000 : $0.50

LTC6992HS6-4#WTRMPBF - Oscillators and Timers

LTC6992HS6-4#WTRMPBF

Analog Devices

Oscillators and Timers

Available : 1,624
100 : $6.64

LMK61A2-125M00SIAT - Oscillators and Timers

LMK61A2-125M00SIAT

Texas Instruments

Oscillators and Timers

Available : 341
100 : $9.81

LTC6930HDCB-8.00#TRMPBF - Oscillators and Timers

LTC6930HDCB-8.00#TRMPBF

Analog Devices

Oscillators and Timers

Available : 300
250 : $5.08

LMK6PA15625ADLFR - Oscillators and Timers

LMK6PA15625ADLFR

Texas Instruments

Oscillators and Timers

Available : 2,672
250 : $4.19

TLC555QDRQ1 - Oscillators and Timers

TLC555QDRQ1

Texas Instruments

Oscillators and Timers

Available : 2,281
1000 : $0.67

LTC6908IDCB-1#TRPBF - Oscillators and Timers

LTC6908IDCB-1#TRPBF

Analog Devices

Oscillators and Timers

Available : 1,087
250 : $4.86

CD4541BM - Oscillators and Timers

CD4541BM

Texas Instruments

Oscillators and Timers

Available : 1,348
1000 : $0.67

LMK61A2-156M25SIAT - Oscillators and Timers

LMK61A2-156M25SIAT

Texas Instruments

Oscillators and Timers

Available : 405
50 : $12.84

TPL5110DDCR - Oscillators and Timers

TPL5110DDCR

Texas Instruments

Oscillators and Timers

Available : 2,142
1000 : $0.68

LTC6905CS5-133#TRMPBF - Oscillators and Timers

LTC6905CS5-133#TRMPBF

Analog Devices

Oscillators and Timers

Available : 266
250 : $2.73

TS556IDTTR - Oscillators and Timers

TS556IDTTR

STMicroelectronics

Oscillators and Timers

Available : 43,848
1000 : $0.93

LMK6CE04800DDLFR - Oscillators and Timers

LMK6CE04800DDLFR

Texas Instruments

Oscillators and Timers

Available : 2,574
250 : $2.63

LMK6CE012288CDLFR - Oscillators and Timers

LMK6CE012288CDLFR

Texas Instruments

Oscillators and Timers

Available : 1,980
250 : $2.63

LMK6CE03333CDLER - Oscillators and Timers

LMK6CE03333CDLER

Texas Instruments

Oscillators and Timers

Available : 2,448
250 : $2.63

LTC6992IS6-3#TRMPBF - Oscillators and Timers

LTC6992IS6-3#TRMPBF

Analog Devices

Oscillators and Timers

Available : 5,889
250 : $4.53

LMK6HA10000ADLER - Oscillators and Timers

LMK6HA10000ADLER

Texas Instruments

Oscillators and Timers

Available : 1,919
250 : $4.35

LMC555CTPX/NOPB - Oscillators and Timers

LMC555CTPX/NOPB

Texas Instruments

Oscillators and Timers

Available : 6,064
500 : $1.14

LMK6HA10000BDLFR - Oscillators and Timers

LMK6HA10000BDLFR

Texas Instruments

Oscillators and Timers

Available : 2,262
250 : $4.38

LTC6992HS6-4#TRMPBF - Oscillators and Timers

LTC6992HS6-4#TRMPBF

Analog Devices

Oscillators and Timers

Available : 212
100 : $6.01

LM555CM/NOPB - Oscillators and Timers

LM555CM/NOPB

Texas Instruments

Oscillators and Timers

Available : 4,665
1045 : $0.78

TPL5100DGSR - Oscillators and Timers

TPL5100DGSR

Texas Instruments

Oscillators and Timers

Available : 2,899
500 : $1.13

LMK61A2-100M00SIAT - Oscillators and Timers

LMK61A2-100M00SIAT

Texas Instruments

Oscillators and Timers

Available : 247
100 : $9.85

CD4536BNSR - Oscillators and Timers

CD4536BNSR

Texas Instruments

Oscillators and Timers

Available : 3,203
2000 : $0.49

LTC6908IDCB-1#TRMPBF - Oscillators and Timers

LTC6908IDCB-1#TRMPBF

Analog Devices

Oscillators and Timers

Available : 963
100 : $5.57

TPS3430WDRCR - Oscillators and Timers

TPS3430WDRCR

Texas Instruments

Oscillators and Timers

Available : 16,972
500 : $1.44

MC100EL1648DTR2G - Oscillators and Timers

MC100EL1648DTR2G

onsemi

Oscillators and Timers

Available : 6,850
100 : $7.35

LMK6CE10000CDLFR - Oscillators and Timers

LMK6CE10000CDLFR

Texas Instruments

Oscillators and Timers

Available : 3,122
250 : $2.63

Clock Oscillator IC 400MHz, 900MHz, 1GHz 6-SMD Module

Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN

Oscillator, Silicon IC 10kHz ~ 1MHz SOT-23-6

VCO IC 20MHz 14-SOIC

Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN

555 Type, Timer/Oscillator (Single) IC 5MHz SOT-23-5

Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN

555 Type, Timer/Oscillator (Single) IC 100kHz 8-MSOP

Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6

Oscillator, Silicon IC 29.1µHz ~ 977Hz SOT-23-6

Clock Oscillator IC 148.5MHz 6-SMD Module

- IC 1MHz 8-MSOP

555 Type, Timer/Oscillator (Dual) IC - 14-SOIC

555 Type, Timer/Oscillator (Single) IC 100kHz 8-MSOP

555 Type, Timer/Oscillator (Single) IC 100kHz 8-SOIC

Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN

Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6

Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN

Clock Oscillator IC 400MHz, 900MHz, 1GHz 8-SMD Module

Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6

VCO (Dual) IC 1Hz ~ 60MHz 16-DIP

Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN

Programmable Timer IC 5MHz 16-TSSOP

Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6

Clock Oscillator IC 125MHz 6-SMD Module

Oscillator, Silicon IC 8MHz 8-WFDFN EP

Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN

555 Type, Timer/Oscillator (Single) IC 2.1MHz 8-SOIC

Oscillator, Silicon IC 50kHz ~ 10MHz 6-WFDFN EP

Programmable Timer IC 100kHz 14-SOIC

Clock Oscillator IC 156.25MHz 6-SMD Module

Programmable Timer IC - SOT-23-6

Oscillator, Silicon IC 133MHz SOT-23-5

555 Type, Timer/Oscillator (Dual) IC 2.7MHz 14-SOIC

Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN

Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN

Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN

Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6

Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN

555 Type, Timer/Oscillator (Single) IC 3MHz 8-UFBGA

Oscillator, Crystal IC 1MHz ~ 400MHz 6-VDFN

Oscillator, Silicon IC 3.81Hz ~ 1MHz SOT-23-6

555 Type, Timer/Oscillator (Single) IC 100kHz 8-SOIC

Programmable Timer IC - 10-MSOP

Clock Oscillator IC 100MHz 6-SMD Module

Programmable Timer IC 5MHz 16-SOIC

Oscillator, Silicon IC 50kHz ~ 10MHz 6-WFDFN EP

Watchdog Circuit IC - 10-VFDFN EP

VCO IC 1.1GHz 8-MSOP

Oscillator, Crystal IC 1MHz ~ 200MHz 4-VDFN

LMK61E07-SIAT - Oscillators and Timers

LMK6DA12288ADLER - Oscillators and Timers

LTC6906CS6#TRPBF - Oscillators and Timers

SN74LS628DR - Oscillators and Timers

LMK6CE10000DDLFR - Oscillators and Timers

MIC1555YM5-TR - Oscillators and Timers

LMK6CE07425DDLFR - Oscillators and Timers

LM555CMMX/NOPB - Oscillators and Timers

LTC6992CS6-1#TRPBF - Oscillators and Timers

LTC6995IS6-2#TRMPBF - Oscillators and Timers

LMK60A0-148M50SIAT - Oscillators and Timers

S-35710C01I-K8T2U - Oscillators and Timers

NA556DR - Oscillators and Timers

LM555CMM/NOPB - Oscillators and Timers

NA555DR - Oscillators and Timers

LMK6CE04000CDLFR - Oscillators and Timers

LTC6992IS6-2#TRPBF - Oscillators and Timers

LMK6DA12500ADLFR - Oscillators and Timers

LMK61E2-SIAT - Oscillators and Timers

LTC6992HS6-1#WTRMPBF - Oscillators and Timers

SN74S124N - Oscillators and Timers

LMK6DA20000ADLER - Oscillators and Timers

CD4536BPWR - Oscillators and Timers

LTC6992HS6-4#WTRMPBF - Oscillators and Timers

LMK61A2-125M00SIAT - Oscillators and Timers

LTC6930HDCB-8.00#TRMPBF - Oscillators and Timers

LMK6PA15625ADLFR - Oscillators and Timers

TLC555QDRQ1 - Oscillators and Timers

LTC6908IDCB-1#TRPBF - Oscillators and Timers

CD4541BM - Oscillators and Timers