Seiko Instruments Inc.- General Purpose Timers

Seiko Instruments Inc. (SII) was founded in 1937 as a key manufacturing arm of the Seiko Group, with headquarters in Chiba, Japan. The company specializes in micromechatronics, nanotechnology, and low-power consumption technologies derived from decades of precision watchmaking. Its core business encompasses electronic devices, hard disk drive (HDD) components, large-format inkjet printers, network solutions, and scientific instruments. SII is particularly renowned for its high-performance quartz crystal devices, including MHz-band crystal units, 32.768 kHz tuning fork crystals, and high-precision TCXO/OCXO oscillators. Its product portfolio also features CMOS ICs such as real-time clocks (RTCs), voltage detectors, and power management ICs that leverage its crystal technology. The company's crystal device series, including the SML tuning fork crystals and SPXO crystal oscillators, are widely adopted in consumer electronics, automotive systems, and IoT applications. With a global reputation built on decades of innovation, SII is considered one of the world's top quartz crystal manufacturers, competing closely with NDK and KDS. Its technological excellence in miniaturization, frequency stability, and ultra-low power consumption sets it apart in the electronic components market. SII continues to drive advancements in timing solutions through continuous R&D investment and application of MEMS fabrication techniques.

General Purpose Timers - 型号列表

22 parts in total

Mfr Part #	Quantity Available	Price	RoHS	Packaging	Package / Case	Operating Temperature	Voltage - Supply	Mounting Style	Interface	Factory Pack Quantity	Function	Time Format	Type	Standard Package	Mounting Type	Date Format	Battery Series	Bus Connection	Supplier Device Package	Features	Product Category	Mechanical Life	Series	Manufacturer	Other Names	メーカ	Switch Function	Card Standard	Number of Units	Maximum Temperature Limit	Operating Temperature - Junction	Tariff No	Frequency	Current - Output	Number of Outputs	Weight	Number of Pins	Material Finish	Product
S-35390A-T8T1G Real Time Clock Serial 8-Pin TSSOP T/R リアルタイムクロック 2-Wire 1.3-5.5V IC RTC I2C 2-WIRE 8-TSSOP Real Time Clock 2-Wire 1.3-5.5V seiko instruments	1140	1: ¥6.392	RoHS 認証	Tape & Reel (TR)	8TSSOP	-40 to 85 °C	3 V	SMD/SMT	Serial	3000	Clock/Calendar/Alarm/Battery Backup/Interrupt	HH:MM:SS	Clock/Calendar	Tape & Reel	SMD/SMT	DW:DM:M:Y	Yes	Serial (2-Wire, I2C)	8-TSSOP	Alarm, Leap Year	Real Time Clock	-	-	-	728-1007-1	Seiko Instruments	Yes	リアルタイムクロック	3000	+ 85 C	- 40 C	-	-	-	-	-	-	-	-
S-35190A-I8T1G Real Time Clock Serial 8-Pin SNT-8A T/R IC REAL TIME CLOCK 3WIRE SNT-8A Real Time Clock 3-wire Real Time Clock seiko instruments	10	3900: ¥4.624	Lead free / RoHS Compliant	Tape & Reel (TR)	8SNT-8A	-40 to 85 °C	3 V	SMD/SMT	3-Wire Serial	5000	Clock/Calendar/Alarm/Battery Backup/Interrupt	HH:MM:SS	Clock/Calendar	Tape & Reel	Surface Mount	DW:DM:M:Y	Yes	Serial (3-Wire)	SNT-8A	Alarm, Leap Year	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35190A-J8T1G Real Time Clock Serial 8-Pin SOP T/R Real Time Clock Real Time Clock IC REAL TIME CLOCK 3WIRE 8-SOP seiko instruments	10	1360: ¥4.4064	RoHS Compliant	Reel	8SOP	-40 to 85 °C	3 V	SMD/SMT	Serial	2000	Clock/Calendar/Alarm/Battery Backup/Interrupt	HH:MM:SS	Clock/Calendar	Tape & Reel	Surface Mount	DW:DM:M:Y	Yes	Serial (3-Wire)	8-SOP	Alarm, Leap Year	Real Time Clock	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35L32AEFS-TB Real Time Clock REAL TIME CLOCK Seiko Instruments	-		No	Reel	SSOP-10	+ 70 C	-	SMD/SMT	-	2000	-	-	-	-	-	-	-	-	-	-	-	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35399A03-J8T2G Real Time Clock 2-wire Real Time Clock Seiko Instruments	10	1520: ¥6.1064	RoHS Compliant	Reel	SOP-8	+ 85 C	3 V	SMD/SMT	Serial	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-3511AEFS-TB01 Real Time Clock Real Time Clock Seiko Instruments	-		No	Reel	SSOP-8	+ 85 C	-	SMD/SMT	-	2000	-	-	-	-	-	-	-	-	-	-	-	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35380A0-J8T1 Real Time Clock 2-Wire 1.1-5.5V Seiko Instruments	-		No	Reel	SOP-8	+ 85 C	-	SMD/SMT	-	2000	-	-	-	-	-	-	-	-	-	-	-	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-3530AEFS-TB01 Real Time Clock Real Time Clock Seiko Instruments	-		No	Reel	SSOP-8	+ 85 C	-	SMD/SMT	-	2000	-	-	-	-	-	-	-	-	-	-	Real Time Clock	Obsolete	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35390A-T8T1 Real Time Clock 2-Wire 1.3-5.5V リアルタイムクロック 2-Wire 1.3-5.5V Real Time Clock Serial 8-Pin TSSOP T/R Seiko Instruments	4912	1: ¥7.004	いいえ	-	TSSOP-8	-	5.5 V	-	Serial	-	Clock, Calendar, Alarm, Interrupt	HH:MM:SS	-	-	SMD/SMT	-	-	-	-	-	-	製造中止	-	-	-	Seiko Instruments	Yes	リアルタイムクロック	3000	+ 85 C	- 40 C	-	-	-	-	-	-	-	-
2 S-35390A-I8T1G Real Time Clock Serial 8-Pin SNT-8A T/R Real Time Clock 2-wire Real Time Clock IC REAL TIME CLOCK 2WIRE SNT-8A seiko instruments	10	1: ¥10.948	RoHS Compliant	Reel	8SNT-8A	-40 to 85 °C	3 V	SMD/SMT	Serial	5000	Clock/Calendar/Alarm/Battery Backup/Interrupt	HH:MM:SS	Clock/Calendar	Tape & Reel	Surface Mount	DW:DM:M:Y	Yes	Serial (2-Wire, I2C)	SNT-8A	Alarm, Leap Year	-	-	-	-	728-1059-1	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35392A-I8T1G Real Time Clock Serial 8-Pin SNT-8A T/R Real Time Clock 2-wire Real Time Clock seiko instruments	7925	1: ¥4.828	RoHS Compliant	Reel	8SNT-8A	-40 to 85 °C	3 V	-	-	-	Clock/Calendar/Alarm/Battery Backup/Interrupt	HH:MM:SS	-	Tape & Reel	-	DW:DM:M:Y	-	Serial (2-Wire, I2C)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35190A-T8T1G Real Time Clock Serial 8-Pin TSSOP T/R Real Time Clock 3-Wire 1.3-5.5V IC REAL TIME CLOCK 3WIRE 8-TSSOP seiko instruments	1925	1: ¥6.392	RoHS Compliant	Reel	8TSSOP	-40 to 85 °C	3 V	SMD/SMT	Serial	3000	Clock/Calendar/Alarm/Battery Backup/Interrupt	HH:MM:SS	Clock/Calendar	Tape & Reel	Surface Mount	DW:DM:M:Y	Yes	Serial (3-Wire)	8-TSSOP	Alarm, Leap Year	Real Time Clock	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35390A-J8T1G Real Time Clock Serial 8-Pin SOP T/R Real Time Clock Real Time Clock IC RTC I2C 2-WIRE 8-SOP seiko instruments	1323	1: ¥5.984	RoHS Compliant	Reel	8SOP	-40 to 85 °C	3 V	SMD/SMT	Serial	2000	Clock/Calendar/Alarm/Battery Backup/Interrupt	HH:MM:SS	Clock/Calendar	Tape & Reel	Surface Mount	DW:DM:M:Y	Yes	Serial (2-Wire, I2C)	8-SOP	Alarm, Leap Year	Real Time Clock	-	-	-	728-1006-1	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35392A-I8T1U IC, REALTIME CLOCK, 2 WIRE, SNT-8A SEIKO INSTRUMENTS	10	1: ¥16.32	-	-	:SNT-4A	:-40°C	:1.3V	-	:I2C	-	-	-	:RTC	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	85423990	:32.768kHz	:6µA	:1	0.000006	:8	:MSL 1 - Unlimited	-
S-35390A-J8T1U IC, REALTIME CLOCK, 2 WIRE, 8SOP SEIKO INSTRUMENTS	10	1: ¥13.26	-	-	:SOP	:-40°C	:1.3V	-	:I2C	-	-	-	:RTC	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	85423990	:32.768kHz	:6µA	:1	0.000079	:8	:MSL 1 - Unlimited	-
S-35190A-I8T1U IC RTC CLK/CALENDAR SER SNT-8A Real Time Clock 3-wire Real Time Clock Seiko Instruments Inc.	-		RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	S-T111 Series	SII Semiconductor	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35390A-I8T1U IC RTC CLK/CALENDAR I2C SNT-8A Real Time Clock 2-wire Real Time Clock Seiko Instruments Inc.	-		RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	S-T111 Series	SII Semiconductor	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35390A-T8T1U Real Time Clock Real Time Clock Seiko Instruments Inc.	-		RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	S-T111 Series	SII Semiconductor	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
S-35199A01-HRT1 Real Time Clock 3WIRE REAL TIME CLCK Seiko Instruments Inc.	-		RoHS Compliant	Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	S-T111 Series	SII Semiconductor	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Real Time Clocks
S-35190A-J8T1U Real Time Clock Real Time Clock Seiko Instruments Inc.	-		RoHS Compliant	Reel	SOP-8	- 40 C	5.5 V	SMD/SMT	Serial	-	Alarm, Calendar, Clock, Interrupt	HH:MM:SS	-	-	-	-	Backup Switching	-	-	-	-	-	S-T111 Series	SII Semiconductor	-	-	-	-	-	-	-	-	-	-	-	-	-	-	Real Time Clocks