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4K/16K I²C Serial EERAMs

Microchip Technology 4K/16K I²C Serial EERAMs are 4Kbit and 16Kbit SRAM with EEPROM backup. The 4K/16K EERAMs are organized as 512 x 8bits or 2048 x 8bits of memory, utilizing the I²C serial interface. The EEPROM cells offer high-endurance nonvolatile storage of data, while the device allows infinite read and write cycles to the SRAM. When loss of power occurs, with an external capacitor, the SRAM data is automatically transferred to the EEPROM. Using either the Hardware Store pin or software control, data can be transferred manually. The EEPROM data is automatically recalled to the SRAM upon power-up or with software control.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Memory Size	Organisation	Access Time	Maximum Clock Frequency	Interface Type	Supply Voltage - Max	Supply Voltage - Min	Supply Current - Max	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package/Case	Packaging
SRAM 16k, 3.0V EERAM IND 47L16T-I/SN Microchip Technology 1: £0.668 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 47L16T-I/SN Mouser Part No 579-47L16T-I/SN	Microchip Technology	SRAM 16k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	Non-Stocked Lead-Time 10 Weeks	Cut Tape £0.668 £0.667 £0.626 Reel £0.609 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	16 kbit	2 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
SRAM 4k, 5.0V EERAM IND 47C04T-I/SN Microchip Technology 1: £0.571 2,711In Stock	Mfr. Part No. 47C04T-I/SN Mouser Part No 579-47C04T-I/SN	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	2,711In Stock	Cut Tape £0.571 £0.568 £0.563 Reel £0.528	Min.: 1 Mult.: 1 : 3,300	4 kbit	512 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Reel, Cut Tape
SRAM 4k, 5.0V EERAM IND 47C04-I/ST Microchip Technology 1: £0.623 465In Stock	Mfr. Part No. 47C04-I/ST Mouser Part No 579-47C04-I/ST	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	465In Stock	£0.623 £0.616 £0.593 £0.56	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 16k, 5.0V EERAM EXT 47C16-E/ST Microchip Technology 1: £0.78 5In Stock 400Expected 13/10/2026	Mfr. Part No. 47C16-E/ST Mouser Part No 579-47C16-E/ST	Microchip Technology	SRAM 16k, 5.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	5In Stock 400Expected 13/10/2026	£0.78 £0.744 £0.72	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 16k, 3.0V EERAM EXT 47L16T-E/SN Microchip Technology 1: £0.736 28In Stock 3,300Expected 19/04/2027	Mfr. Part No. 47L16T-E/SN Mouser Part No 579-47L16T-E/SN	Microchip Technology	SRAM 16k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	28In Stock 3,300Expected 19/04/2027	Cut Tape £0.736 Reel £0.663	Min.: 1 Mult.: 1 : 3,300	16 kbit	2 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel, Cut Tape
SRAM 16k, 3.0V EERAM IND 47L16-I/SN Microchip Technology 1: £0.608 3,634In Stock	Mfr. Part No. 47L16-I/SN Mouser Part No 579-47L16-I/SN	Microchip Technology	SRAM 16k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	3,634In Stock	£0.608 £0.599 £0.574 £0.573	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Tube
SRAM 4k, 5.0V EERAM EXT 47C04-E/SN Microchip Technology 1: £0.623 101In Stock	Mfr. Part No. 47C04-E/SN Mouser Part No 579-47C04-E/SN	Microchip Technology	SRAM 4k, 5.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	101In Stock	£0.623 £0.616 £0.593 £0.56	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 16k, 5.0V EERAM EXT 47C16-E/P Microchip Technology 1: £0.89 20In Stock	Mfr. Part No. 47C16-E/P Mouser Part No 579-47C16-E/P	Microchip Technology	SRAM 16k, 5.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	20In Stock	£0.89 £0.856 £0.826	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 16k, 5.0V EERAM EXT 47C16-E/SN Microchip Technology 1: £0.705 281In Stock	Mfr. Part No. 47C16-E/SN Mouser Part No 579-47C16-E/SN	Microchip Technology	SRAM 16k, 5.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	281In Stock	£0.705 £0.672 £0.648	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 16k, 5.0V EERAM IND 47C16-I/P Microchip Technology 1: £0.818 321In Stock	Mfr. Part No. 47C16-I/P Mouser Part No 579-47C16-I/P	Microchip Technology	SRAM 16k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	321In Stock	£0.818 £0.796 £0.744	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 85 C	Through Hole	PDIP-8	Tube
SRAM 16k, 5.0V EERAM IND 47C16-I/SN Microchip Technology 1: £0.653 630In Stock	Mfr. Part No. 47C16-I/SN Mouser Part No 579-47C16-I/SN	Microchip Technology	SRAM 16k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	630In Stock	£0.653 £0.648 £0.632 £0.608	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 16k, 5.0V EERAM IND 47C16-I/ST Microchip Technology 1: £0.705 442In Stock	Mfr. Part No. 47C16-I/ST Mouser Part No 579-47C16-I/ST	Microchip Technology	SRAM 16k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	442In Stock	£0.705 £0.672 £0.648	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 4k, 3.0V EERAM EXT 47L04-E/SN Microchip Technology 1: £0.623 205In Stock	Mfr. Part No. 47L04-E/SN Mouser Part No 579-47L04-E/SN	Microchip Technology	SRAM 4k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	205In Stock	£0.623 £0.616 £0.593 £0.56	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 4k, 3.0V EERAM IND 47L04-I/P Microchip Technology 1: £0.736 411In Stock	Mfr. Part No. 47L04-I/P Mouser Part No 579-47L04-I/P	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	411In Stock	£0.736 £0.711 £0.68	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 4k, 3.0V EERAM IND 47L04-I/ST Microchip Technology 1: £0.623 935In Stock	Mfr. Part No. 47L04-I/ST Mouser Part No 579-47L04-I/ST	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	935In Stock	£0.623 £0.616 £0.593 £0.56	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 16k, 3.0V EERAM EXT 47L16-E/ST Microchip Technology 1: £0.78 500In Stock 900On Order	Mfr. Part No. 47L16-E/ST Mouser Part No 579-47L16-E/ST	Microchip Technology	SRAM 16k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	500In Stock 900On Order	£0.78 £0.744 £0.72	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT	TSSOP-8	Tube
SRAM 16k, 3.0V EERAM IND 47L16-I/P Microchip Technology 1: £0.818 375In Stock	Mfr. Part No. 47L16-I/P Mouser Part No 579-47L16-I/P	Microchip Technology	SRAM 16k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	375In Stock	£0.818 £0.796 £0.744	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 16k, 3.0V EERAM IND 47L16-I/ST Microchip Technology 1: £0.705 309In Stock	Mfr. Part No. 47L16-I/ST Mouser Part No 579-47L16-I/ST	Microchip Technology	SRAM 16k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	309In Stock	£0.705 £0.672 £0.648	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT	TSSOP-8	Tube
SRAM 4k, 5.0V EERAM EXT 47C04-E/P Microchip Technology 1: £0.803 330In Stock	Mfr. Part No. 47C04-E/P Mouser Part No 579-47C04-E/P	Microchip Technology	SRAM 4k, 5.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	330In Stock	£0.803 £0.773 £0.736	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 4k, 5.0V EERAM IND 47C04-I/P Microchip Technology 1: £0.736 113In Stock	Mfr. Part No. 47C04-I/P Mouser Part No 579-47C04-I/P	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	113In Stock	£0.736 £0.711 £0.68	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 4k, 5.0V EERAM IND 47C04-I/SN Microchip Technology 1: £0.555 51In Stock 600Expected 23/04/2027	Mfr. Part No. 47C04-I/SN Mouser Part No 579-47C04-I/SN	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	51In Stock 600Expected 23/04/2027	£0.555 £0.552 £0.536 £0.52	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	5.5 V	4.5 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 4k, 3.0V EERAM IND 47L04T-I/SN Microchip Technology 1: £0.571 83In Stock 3,300Expected 26/04/2027	Mfr. Part No. 47L04T-I/SN Mouser Part No 579-47L04T-I/SN	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	83In Stock 3,300Expected 26/04/2027	Cut Tape £0.571 £0.568 £0.563 Reel £0.528 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	4 kbit	512 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Reel, Cut Tape, MouseReel
SRAM 16k, 3.0V EERAM EXT 47L16-E/SN Microchip Technology 1: £0.705 9,112On Order	Mfr. Part No. 47L16-E/SN Mouser Part No 579-47L16-E/SN	Microchip Technology	SRAM 16k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	9,112On Order On Order Ship Dates Mfr. No: 47L16-E/SN Stock: 0 On Order: 2,912 Expected 19/04/2027 6,200 Expected 23/04/2027 Factory Lead Time: 10 Weeks	£0.705 £0.672 £0.648	Min.: 1 Mult.: 1	16 kbit	2 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Tube
SRAM 4k, 3.0V EERAM IND 47L04-I/SN Microchip Technology 1: £0.555 4,044On Order	Mfr. Part No. 47L04-I/SN Mouser Part No 579-47L04-I/SN	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	4,044On Order On Order Ship Dates Mfr. No: 47L04-I/SN Stock: 0 On Order: 2,244 Expected 23/04/2027 1,800 Expected 26/04/2027 Factory Lead Time: 27 Weeks	£0.555 £0.552 £0.536 £0.52	Min.: 1 Mult.: 1	4 kbit	512 k x 8	400 ns	1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT		Tube
SRAM 4k, 3.0V EERAM EXT 47L04-E/ST Microchip Technology 1: £0.668 5,300On Order	Mfr. Part No. 47L04-E/ST Mouser Part No 579-47L04-E/ST	Microchip Technology	SRAM 4k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	5,300On Order On Order Ship Dates Mfr. No: 47L04-E/ST Stock: 0 On Order: 1,700 Expected 25/01/2027 3,600 TBD Factory Lead Time: 18 Weeks	£0.668 £0.663 £0.648 £0.624	Min.: 1 Mult.: 1	4 kbit	512 k x 8		1 MHz	I2C	3.6 V	2.7 V	400 uA	- 40 C	+ 125 C	SMD/SMT	TSSOP-8	Tube

4K/16K I²C Serial EERAMs

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