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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 (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Memory Size	Organization	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: $1.28 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # 47L16T-I/SN Mouser Part # 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 $1.28 $1.17 Reel $1.14 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: $1.09 2,681In Stock	Mfr. Part # 47C04T-I/SN Mouser Part # 579-47C04T-I/SN	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	2,681In Stock	Cut Tape $1.09 $1.08 Reel $1.01	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: $1.20 465In Stock	Mfr. Part # 47C04-I/ST Mouser Part # 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	$1.20 $1.18 $1.14 $1.07	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: $1.50 405In Stock	Mfr. Part # 47C16-E/ST Mouser Part # 579-47C16-E/ST	Microchip Technology	SRAM 16k, 5.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	405In Stock	$1.50 $1.43 $1.38	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, 5.0V EERAM EXT 47C04-E/SN Microchip Technology 1: $1.20 101In Stock	Mfr. Part # 47C04-E/SN Mouser Part # 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	$1.20 $1.18 $1.14 $1.07	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, 5.0V EERAM IND 47C04-I/SN Microchip Technology 1: $1.07 702In Stock	Mfr. Part # 47C04-I/SN Mouser Part # 579-47C04-I/SN	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	702In Stock	$1.07 $1.06 $1.03 $0.998	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: $1.71 20In Stock	Mfr. Part # 47C16-E/P Mouser Part # 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	$1.71 $1.64 $1.58	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: $1.35 281In Stock	Mfr. Part # 47C16-E/SN Mouser Part # 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	$1.35 $1.29 $1.24	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: $1.57 321In Stock	Mfr. Part # 47C16-I/P Mouser Part # 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	$1.57 $1.53 $1.43	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: $1.25 375In Stock	Mfr. Part # 47C16-I/SN Mouser Part # 579-47C16-I/SN	Microchip Technology	SRAM 16k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	375In Stock	$1.25 $1.24 $1.21 $1.17	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: $1.35 442In Stock	Mfr. Part # 47C16-I/ST Mouser Part # 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	$1.35 $1.29 $1.24	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: $1.20 205In Stock	Mfr. Part # 47L04-E/SN Mouser Part # 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	$1.20 $1.18 $1.14 $1.07	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: $1.41 410In Stock	Mfr. Part # 47L04-I/P Mouser Part # 579-47L04-I/P	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	410In Stock	$1.41 $1.37 $1.30	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: $1.20 788In Stock	Mfr. Part # 47L04-I/ST Mouser Part # 579-47L04-I/ST	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	788In Stock	$1.20 $1.18 $1.14 $1.07	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 IND 47L16-I/P Microchip Technology 1: $1.57 375In Stock	Mfr. Part # 47L16-I/P Mouser Part # 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	$1.57 $1.53 $1.43	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/SN Microchip Technology 1: $1.25 88In Stock 13,100On Order	Mfr. Part # 47L16-I/SN Mouser Part # 579-47L16-I/SN	Microchip Technology	SRAM 16k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	88In Stock 13,100On Order On Order Ship Dates Mfr. #: 47L16-I/SN Stock: 88 Can Ship Immediately On Order: 4,200 Expected 2027-05-17 8,900 TBD Factory Lead-Time: 10 Weeks	$1.25 $1.24 $1.21 $1.17	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/P Microchip Technology 1: $1.54 330In Stock	Mfr. Part # 47C04-E/P Mouser Part # 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	$1.54 $1.48 $1.41	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: $1.41 113In Stock	Mfr. Part # 47C04-I/P Mouser Part # 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	$1.41 $1.37 $1.30	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, 3.0V EERAM IND 47L04-I/SN Microchip Technology 1: $1.07 9In Stock 4,100On Order	Mfr. Part # 47L04-I/SN Mouser Part # 579-47L04-I/SN	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	9In Stock 4,100On Order On Order Ship Dates Mfr. #: 47L04-I/SN Stock: 9 Can Ship Immediately On Order: 2,300 Expected 2027-04-23 1,800 Expected 2027-04-26 Factory Lead-Time: 27 Weeks	$1.07 $1.06 $1.03 $0.998	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 47L04T-I/SN Microchip Technology 1: $1.09 5In Stock 3,300Expected 2027-04-26	Mfr. Part # 47L04T-I/SN Mouser Part # 579-47L04T-I/SN	Microchip Technology	SRAM 4k, 3.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	5In Stock 3,300Expected 2027-04-26	Cut Tape $1.09 $1.08 Reel $1.01 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: $1.35 9,112On Order	Mfr. Part # 47L16-E/SN Mouser Part # 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. #: 47L16-E/SN Stock: 0 On Order: 2,912 Expected 2027-04-19 6,200 Expected 2027-04-23 Factory Lead-Time: 10 Weeks	$1.35 $1.29 $1.24	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 16k, 3.0V EERAM EXT 47L16-E/ST Microchip Technology 1: $1.50 3,097On Order	Mfr. Part # 47L16-E/ST Mouser Part # 579-47L16-E/ST	Microchip Technology	SRAM 16k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	3,097On Order On Order Ship Dates Mfr. #: 47L16-E/ST Stock: 0 On Order: 797 Expected 2027-01-14 2,300 Expected 2027-01-18 Factory Lead-Time: 8 Weeks	$1.50 $1.43 $1.38	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 EXT 47L16T-E/SN Microchip Technology 1: $1.41 3,220Expected 2027-04-19	Mfr. Part # 47L16T-E/SN Mouser Part # 579-47L16T-E/SN	Microchip Technology	SRAM 16k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	3,220Expected 2027-04-19	Cut Tape $1.41 Reel $1.27 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 16k, 3.0V EERAM EXT 47L16T-E/ST Microchip Technology 1: $1.54 5,000Expected 2027-07-26	Mfr. Part # 47L16T-E/ST Mouser Part # 579-47L16T-E/ST	Microchip Technology	SRAM 16k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	5,000Expected 2027-07-26	Cut Tape $1.54 $1.53 Reel $1.41	Min.: 1 Mult.: 1 : 2,500												TSSOP-8	Reel, Cut Tape
SRAM 4k, 3.0V EERAM EXT 47L04-E/ST Microchip Technology 1: $1.28 5,300Expected 2027-07-26	Mfr. Part # 47L04-E/ST Mouser Part # 579-47L04-E/ST	Microchip Technology	SRAM 4k, 3.0V EERAM EXT Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	5,300Expected 2027-07-26	$1.28 $1.27 $1.24 $1.20	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

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