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Part Details	Web Price (USD)	Stock	Lead Time	Date Code	Package	Package Style	Date Format	Time Format	Interface	Non-Volatile Memory Size	SRAM Size	Supply Voltage-Nom	Temperature Grade	Operating Temp Range	Storage Temperature Range	Moisture Sensitivity Level	Mounting Feature
Compare Datasheet DS1338Z-33+ Maxim Integrated DS1338 Series 5.5 V I2C/Serial Surface Mount Real Time Clock - SOIC-8 List Min: 100 Mult. of: 100 Quantity More Info Increase Button Decrease Button	100: $2.16 200: $2.13 300: $2.11 400: $2.09 500: $2.08	400	9 Weeks	1836	Tube	SOIC-8	DW:DM:M:Y	HH:MM:SS	I2C	56B		3V to 5.5V	Industrial	-40°C to +85°C	-55°C to +125°C	1	Surface Mount
Compare Datasheet 1338-18DCGI Renesas Real Time Clock List Min: 97 Mult. of: 97 Quantity More Info Increase Button Decrease Button	97: $2.14 291: $1.99 485: $1.92 1,455: $1.78 2,425: $1.72	388	12 Weeks	1708	Tube
Compare Datasheet 1339-2DCGI Renesas REAL TIME CLOCK List Min: 97 Mult. of: 97 Quantity More Info Increase Button Decrease Button	97: $2.38 291: $1.51 388: $1.47 970: $1.37 1,455: $1.32	388	12 Weeks	1540	Tube
Compare Datasheet 1339-31DCGI Renesas Real Time Clock List Min: 97 Mult. of: 97 Quantity Increase Button Decrease Button	97: $1.96 194: $1.87 388: $1.80 485: $1.77 1,455: $1.66	388	12 Weeks	1847	Tube
Compare Datasheet PCF2129T/2,518 NXP PCF2129 - Integrated Real Time Clock TCXO and Quartz Crystal - SOIC-16 List Min: 1 Mult. of: 1 Quantity More Info Increase Button Decrease Button	1: $4.09 50: $3.12 100: $2.97 250: $2.79 500: $2.66	378		1836	Cut Tape	SOIC-16	DW:DM:M:Y/Binary	HH:MM:SS/Binary	Serial			1.8V to 4.2V	Industrial	-40°C to +85°C	-55°C to +85°C		Surface Mount
Compare Datasheet DS1511W+ Maxim Integrated DS1511 Series 3.6 V 4 mA Parallel Through Hole Real Time Clock - EDIP-28 List Min: 12 Mult. of: 12 Quantity More Info Increase Button Decrease Button	12: $15.82 24: $15.45 48: $15.09 60: $14.97	288	10 Weeks	1930	Bulk		DW:DM:M:Y	HH:MM:SS	Parallel	256B		3V to 3.6V	Commercial	0°C to 70°C	-40°C to +70°C		Through Hole
Compare Datasheet ISL12020MIRZ Renesas ISL120020 Series 2.7 - 5.5 V I2C 128 Bytes SRAM Real Time Clock - DFN-20 List Min: 1 Mult. of: 1 Quantity Increase Button Decrease Button	1: $4.94 15: $4.74 40: $4.62 100: $4.52 250: $4.41	273	5-10 Days	1928	Tube		DW:DM:M:Y	HH:MM:SS	I2C	128B		2.7V to 5.5V	Industrial	-40°C to +85°C	-40°C to +85°C		Surface Mount
Compare Datasheet ISL12022MAIBZ Renesas ISL12022MA Series 2.7 - 5.5 V I2C 128 Bytes SRAM Real Time Clock - SOIC-20 List Min: 38 Mult. of: 38 Quantity Increase Button Decrease Button	38: $4.61 76: $4.19 152: $4.13 190: $4.11 570: $4.01	266	N/A	1829	Tube	SOIC-20	YY:MM:DD	HH:MM:SS	I2C	128B		2.7V to 5.5V	Industrial	-40°C to +85°C	-40°C to +85°C		Surface Mount
Compare Datasheet SY89112UMY Microchip SY89112U Series 3.6 V Surface Mount Clock - QFN-44 List Min: 260 Mult. of: 260 Quantity More Info Increase Button Decrease Button	260: $4.82	260		1928	Tray	QFN-44											Surface Mount
Compare Datasheet ISL12020MIRZ-T7A Renesas ISL120020 Series 2.7 - 5.5 V I2C 128 Bytes SRAM Real Time Clock - DFN-20 List Min: 250 Mult. of: 250 Quantity Increase Button Decrease Button	250: $6.44	250	N/A	1937	Reel		DW:DM:M:Y	HH:MM:SS	I2C	128B		2.7V to 5.5V	Industrial	-40°C to +85°C	-40°C to +85°C		Surface Mount
Compare Datasheet ISL12022IBZ-T7A Renesas ISL12022 Series 2.7 - 5.5 V I2C 128 Bytes SRAM Real Time Clock - SOIC-8 List Min: 250 Mult. of: 250 Quantity Increase Button Decrease Button	250: $4.11 500: $4.05	250	N/A	1851	Reel	SOIC-8	DW:DM:M:Y	HH:MM:SS	I2C	128B		2.7V to 5.5V	Industrial	-40°C to +85°C	-65°C to +150°C		Surface Mount
Compare Datasheet ISL1208IB8Z-T7A Renesas ISL1208 Series 2.7 - 5.5 V 2 Byte Ram I2C® Real Time Clock/Calendar - SOIC-8 List Min: 250 Mult. of: 250 Quantity Increase Button Decrease Button	250: $1.92 500: $1.69 750: $1.68 1,000: $1.67	250	8 Weeks	1905	Reel	SOIC-8	DW:DM:M:Y	HH:MM:SS	I2C	2B		2.7V to 5.5V	Industrial	-40°C to +85°C	-65°C to +150°C		Surface Mount
Compare Datasheet ISL12020MIRZ-T7A Renesas ISL120020 Series 2.7 - 5.5 V I2C 128 Bytes SRAM Real Time Clock - DFN-20 List Min: 1 Mult. of: 1 Quantity More Info Increase Button Decrease Button	1: $12.38 5: $10.65 25: $9.16 50: $8.59 100: $8.05	250	5 Weeks	1937	Cut Tape Available in Mini-Reel		DW:DM:M:Y	HH:MM:SS	I2C	128B		2.7V to 5.5V	Industrial	-40°C to +85°C	-40°C to +85°C		Surface Mount
Compare Datasheet ISL12022IBZ-T7A Renesas ISL12022 Series 2.7 - 5.5 V I2C 128 Bytes SRAM Real Time Clock - SOIC-8 List Min: 1 Mult. of: 1 Quantity More Info Increase Button Decrease Button	1: $7.91 5: $6.80 25: $5.85 50: $5.48 100: $5.14	250	N/A	1851	Cut Tape Available in Mini-Reel	SOIC-8	DW:DM:M:Y	HH:MM:SS	I2C	128B		2.7V to 5.5V	Industrial	-40°C to +85°C	-65°C to +150°C		Surface Mount
Compare Datasheet PCF8575TS/1,112 NXP PCF8575 Series Remote 16 Bit I/O Expander for I2C-Bus to Parallel Port - SSOP 24 List Min: 1 Mult. of: 1 Quantity Increase Button Decrease Button	1: $1.15 30: $1.08 125: $1.05 300: $1.03 1,250: $1.00	242	7 Weeks	1904	Tube	SSOP-24											Surface Mount
Compare Datasheet M48T02-150PC1 STMicroelectronics M48T02 Series 16 Kb (2 K x 8) 5 V 150 ns Timekeeper® SRAM - PCDIP-24 List Min: 14 Mult. of: 14 Quantity Increase Button Decrease Button	14: $13.24 28: $11.80 42: $11.64 56: $11.52	224	25 Weeks	1826	Tube	PCDIP-24											Through Hole
Compare Datasheet DS3231S# Maxim Integrated DS3231 Series 2.3 to 5.5V Accurate I2C Real-Time Clock with TCXO - SOIC-16 List Min: 28 Mult. of: 46 Quantity More Info Increase Button Decrease Button	46: $6.49 92: $6.37 138: $6.31 184: $6.26 230: $6.22	212	6 Weeks	1937	Tube	SOIC-16	DW:DM:M:Y	HH:MM:SS	I2C			2.3V to 5.5V	Commercial	0°C to 70°C	-40°C to +85°C	1	Surface Mount
Compare Datasheet DS1390U-3+ Maxim Integrated DS139 Series 3V Trickle Charger SPI/3-Wire Real-Time Clock/Calendar -uSOP-10 List Min: 50 Mult. of: 50 Quantity More Info Increase Button Decrease Button	50: $2.70 150: $2.58 200: $2.54 500: $2.44 750: $2.40	200	6 Weeks	1930	Tube	UMAX-10	DW:DM:M:Y	HH:MM:SS:hh	SPI			2.7V to 3.3V	Industrial	-40°C to +85°C	-55°C to +125°C	1	Surface Mount
Compare Datasheet MC100EPT22DTG ON Semiconductor MC100EPT22 Series 3.6V Dual LVTTL/LVCMOS to Differential LVPECLTranslator List Min: 1 Mult. of: 1 Quantity Increase Button Decrease Button	1: $9.03 15: $8.66 30: $8.50 100: $8.24 200: $8.09	181	4 Weeks	1804	Tube	TSSOP-8											Surface Mount
Compare Datasheet DS1315-5+ Maxim Integrated DS1315 Series 3.6 V Parallel Surface Mount Real Time Clock - TSSOP-20 List Min: 1 Mult. of: 1 Quantity Increase Button Decrease Button	1: $11.91 5: $11.37 20: $10.60 50: $10.12 125: $9.66	175	6 Weeks	1717	Tube	PDIP-16	DW:DM:M:Y	HH:MM:SS:hh				4.5V to 5.5V	Commercial	0°C to 70°C	-55°C to +125°C	1	Through Hole
Compare Datasheet 551MILF Renesas 1 TO 4 CLOCK BUFFER List Min: 1 Mult. of: 1 Quantity Increase Button Decrease Button	1: $1.65 30: $1.41 125: $1.32 300: $1.27 1,250: $1.19	160	12 Weeks	1945	Tube	SOIC-8											Surface Mount
Compare Datasheet ZL30105QDG1 Microchip T1/E1 IC 65.536MHz 1 Output 64-TQFP (10x10) List Min: 160 Mult. of: 160 Quantity More Info Increase Button Decrease Button	160: $36.33	160	7 Weeks	1936	Tray
Compare Datasheet DS12887+ Maxim Integrated DS12887 Series 5.5V Parallel Through Hole Real Time Clock - DIP-24 List Min: 1 Mult. of: 1 Quantity Increase Button Decrease Button	1: $9.37 10: $8.54 25: $8.09 75: $7.59 150: $7.29	126	6 Weeks	1807	Tube		DW:DM:M:Y	HH:MM:SS		114B		4.5V to 5.5V	Commercial	0°C to 70°C	-40°C to +85°C		Through Hole
Compare Datasheet RTC-72421A: ROHS Epson Electronics America List Min: 25 Mult. of: 25 Quantity Increase Button Decrease Button	25: $7.42 50: $6.63 75: $6.55 100: $6.49 125: $6.45	125	N/A	1942	Tube	DIP-18	DW:DM:M:Y	HH:MM:SS	Parallel			4.5V to 5.5V		-10°C to +70°C	-55°C to +85°C		Through Hole
Compare Datasheet CY2309NZSXC-1H Cypress CY2309NZ Series 9 Output 3.3 V 133.33 MHz Buffer / Driver SMT - SOIC-16 List Min: 1 Mult. of: 1 Quantity Increase Button Decrease Button	1: $12.63 5: $12.20 25: $11.47 50: $11.17 150: $10.71	123	N/A	1825	Tube	SOIC-16											Surface Mount