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Picture	ES Part No.	Part No	Stock	Price	Datasheet	Pb Free	RoHS	Description	Vendor	Package / Case	Packaging

	1522-0104-7	MCP7940NT-I/SN	150	86.50		PB-Free	RoHS	Battery-Backed I2C Real-Time Clock/Calendar(RTCC) with SRAM 64Bytes	MICROCHIP	SOIC-8	TAPE & REEL
	0067-0062-7	DS1307+	0	118.20		PB-Free	RoHS	64x8 Serial Real Time Clock, 56 Bytes RAM 2-Wire Serial	DALLAS/MAXIM	PDIP-8	TUBE
	0057-0145-3	RX8900SA:UA3 PURE SN	0	138.30		PB-Free	RoHS	Real Time Clock Module, Built-In Frequency Adjusted 32.768kHz Crystal Unit/DTCXO/Backup Switchover Circuit, I2C-Bus Interface	EPSON	SOIC-14	TAPE & REEL
	0126-0181-8	DS3231SN#T&R	2,683	142.40		PB-Free	RoHS	Extremely Accurate I2C Real-Time Clock (RTC), Integrated Temperature-Compensated Crystal Oscillator (TCXO) and Crystal	MAXIM INTEGRATED	SOIC-16	TAPE & REEL
	0067-0090-3	DS3231SN#-T/R	0	182.50		PB-Free	RoHS	RTC Extremely Accurate I2C-Integrate RTC/TCXO/CRYSTAL	DALLAS/MAXIM	SOIC-16	TAPE & REEL
	0067-0009-4	DS12C887+	0	446.50		PB-Free	RoHS	Real Time Clock, 114 Bytes RAM Parallel/Multiplexer	DALLAS/MAXIM	EPDIP-24	TUBE