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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 64K 8K X 8 1.7V SERIAL SRAM IND 23A640-I/P Microchip Technology 1: $0.88 479In Stock	Mfr. Part # 23A640-I/P Mouser Part # 579-23A640-I/P	Microchip Technology	SRAM 64K 8K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	479In Stock	$0.88 $0.874 $0.852 $0.821	Min.: 1 Mult.: 1	64 kbit	8 k x 8	32 ns	20 MHz	SPI	1.95 V	1.7 V	10 mA	- 40 C	+ 85 C	Through Hole	PDIP-8	Tube
SRAM 64K 8K X 8 1.7V SERIAL SRAM IND 23A640-I/SN Microchip Technology 1: $0.81 156In Stock	Mfr. Part # 23A640-I/SN Mouser Part # 579-23A640-I/SN	Microchip Technology	SRAM 64K 8K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	156In Stock	$0.81 $0.767 $0.735	Min.: 1 Mult.: 1	64 kbit	8 k x 8	32 ns	20 MHz	SPI	1.95 V	1.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8	Tube
SRAM 64K 8K X 8 1.7V SERIAL SRAM IND 23A640-I/ST Microchip Technology 1: $0.88 335In Stock	Mfr. Part # 23A640-I/ST Mouser Part # 579-23A640-I/ST	Microchip Technology	SRAM 64K 8K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	335In Stock	$0.88 $0.878 $0.789 $0.784 $0.772	Min.: 1 Mult.: 1	64 kbit	8 k x 8	32 ns	20 MHz	SPI	1.95 V	1.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	TSSOP-8	Tube
SRAM 256K 32K X 8 2.7V SERIAL SRAM IND 23K256-I/P Microchip Technology 1: $1.46 91In Stock	Mfr. Part # 23K256-I/P Mouser Part # 579-23K256-I/P	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	91In Stock	$1.46 $1.39 $1.35	Min.: 1 Mult.: 1	256 kbit	32 k x 8	25 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 85 C	Through Hole	PDIP-8	Tube
SRAM 256K 32K X 8 2.7V SERIAL SRAM IND 23K256T-I/SN Microchip Technology 1: $1.52 592In Stock 6,600Expected 12/21/2026	Mfr. Part # 23K256T-I/SN Mouser Part # 579-23K256T-I/SN	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	592In Stock 6,600Expected 12/21/2026	Cut Tape $1.52 Reel $1.27 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	256 kbit	32 k x 8	25 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
SRAM 64K 8K X 8 2.7V SERIAL SRAM IND 23K640-I/P Microchip Technology 1: $0.82 417In Stock	Mfr. Part # 23K640-I/P Mouser Part # 579-23K640-I/P	Microchip Technology	SRAM 64K 8K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	417In Stock	$0.82 $0.80 $0.77	Min.: 1 Mult.: 1	64 kbit	8 k x 8	25 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 85 C	Through Hole	PDIP-8	Tube
SRAM 64K 8K X 8 2.7V SERIAL SRAM IND 23K640-I/ST Microchip Technology 1: $0.80 532In Stock	Mfr. Part # 23K640-I/ST Mouser Part # 579-23K640-I/ST	Microchip Technology	SRAM 64K 8K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	532In Stock	$0.80 $0.784 $0.783 $0.753 $0.743	Min.: 1 Mult.: 1	64 kbit	8 k x 8	25 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	TSSOP-8	Tube
SRAM 1024K 2.5V SPI SERIAL SRAM Vbat 23LCV1024-I/SN Microchip Technology 1: $2.91 335In Stock 3,200Expected 10/2/2026	Mfr. Part # 23LCV1024-I/SN Mouser Part # 579-23LCV1024-I/SN	Microchip Technology	SRAM 1024K 2.5V SPI SERIAL SRAM Vbat Learn More about Microchip Technology microchip 23lcv sram	Datasheet	335In Stock 3,200Expected 10/2/2026	$2.91 $2.86 $2.85	Min.: 1 Mult.: 1	1 Mbit	128 k x 8	25 ns	20 MHz	SDI, SPI	5.5 V	2.5 V	10 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8	Tube
SRAM 4k, 5.0V EERAM EXT 47C04-E/P Microchip Technology 1: $1.07 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	$1.07 $1.03 $0.98	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: $0.98 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	$0.98 $0.948 $0.906	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: $0.74 51In Stock 600Expected 4/23/2027	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	51In Stock 600Expected 4/23/2027	$0.74 $0.735 $0.714 $0.693	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: $0.76 83In Stock 3,300Expected 4/26/2027	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	83In Stock 3,300Expected 4/26/2027	Cut Tape $0.76 $0.757 $0.75 Reel $0.703 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 1024K 2.5V SPI SERIAL SRAM SQI 23LC1024T-I/ST Microchip Technology 1: $2.80 20,000On Order	Mfr. Part # 23LC1024T-I/ST Mouser Part # 579-23LC1024T-I/ST	Microchip Technology	SRAM 1024K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	20,000On Order On Order Ship Dates Mfr. #: 23LC1024T-I/ST Stock: 0 On Order: 10,000 Expected 12/24/2026 10,000 Expected 1/8/2027 Factory Lead-Time: 36 Weeks	Cut Tape $2.80 $2.77 Reel $2.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	1 Mbit	128 k x 8	25 ns	20 MHz	SDI, SPI, SQI	5.5 V	2.5 V	10 mA	- 40 C	+ 85 C	SMD/SMT	TSSOP-8	Reel, Cut Tape, MouseReel
SRAM 16k, 3.0V EERAM EXT 47L16-E/SN Microchip Technology 1: $0.94 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 4/19/2027 6,200 Expected 4/23/2027 Factory Lead-Time: 10 Weeks	$0.94 $0.938 $0.895 $0.863	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: $0.74 4,044On 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	4,044On Order On Order Ship Dates Mfr. #: 47L04-I/SN Stock: 0 On Order: 2,244 Expected 4/23/2027 1,800 Expected 4/26/2027 Factory Lead-Time: 27 Weeks	$0.74 $0.735 $0.714 $0.693	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: $0.89 5,300On Order	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	5,300On Order On Order Ship Dates Mfr. #: 47L04-E/ST Stock: 0 On Order: 1,700 Expected 1/25/2027 3,600 TBD Factory Lead-Time: 18 Weeks	$0.89 $0.884 $0.863 $0.831	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
SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT 23A1024T-E/SN Microchip Technology 3,300: $2.62 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23A1024T-E/SN Mouser Part # 579-23A1024T-E/SN	Microchip Technology	SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $2.62	Min.: 3,300 Mult.: 3,300 : 3,300	1 Mbit	128 k x 8	32 ns	16 MHz	SDI, SPI, SQI	2.2 V	1.7 V	10 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel
SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT 23A1024T-E/ST Microchip Technology 2,500: $2.65 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23A1024T-E/ST Mouser Part # 579-23A1024T-E/ST	Microchip Technology	SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $2.65	Min.: 2,500 Mult.: 2,500 : 2,500	1 Mbit	128 k x 8	32 ns	16 MHz	SDI, SPI, SQI	2.2 V	1.7 V	10 mA	- 40 C	+ 125 C	SMD/SMT	TSSOP-8	Reel
SRAM 512K 1.8V SPI SERIAL SRAM SQI EXT 23A512-E/P Microchip Technology 1: $2.38 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23A512-E/P Mouser Part # 579-23A51579-2-E/P	Microchip Technology	SRAM 512K 1.8V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	$2.38 $2.02 $2.01 $1.98 View $1.96 $1.95	Min.: 1 Mult.: 1	512 kbit	64 k x 8	32 ns	16 MHz	SDI, SPI, SQI	2.2 V	1.7 V	10 mA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 512K 1.8V SPI SERIAL SRAM SQI 23A512-I/P Microchip Technology 1: $2.30 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23A512-I/P Mouser Part # 579-23A51579-2-I/P	Microchip Technology	SRAM 512K 1.8V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	$2.30 $1.95 $1.90 $1.87 $1.86	Min.: 1 Mult.: 1	512 kbit	64 k x 8	25 ns	20 MHz	SDI, SPI, SQI	2.2 V	1.7 V	10 mA	- 40 C	+ 85 C	Through Hole	PDIP-8	Tube
SRAM 512K 1.8V SPI SERIAL SRAM SQI 23A512-I/SN Microchip Technology 1: $1.83 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23A512-I/SN Mouser Part # 579-23A51579-2-I/SN	Microchip Technology	SRAM 512K 1.8V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	$1.83 $1.78 $1.77	Min.: 1 Mult.: 1	512 kbit	64 k x 8	25 ns	20 MHz	SDI, SPI, SQI	2.2 V	1.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8	Tube
SRAM 512K 1.8V SPI SERIAL SRAM SQI 23A512T-I/SN Microchip Technology 3,300: $1.81 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23A512T-I/SN Mouser Part # 579-23A51579-2T-I/SN	Microchip Technology	SRAM 512K 1.8V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.81	Min.: 3,300 Mult.: 3,300 : 3,300	512 kbit	64 k x 8	25 ns	20 MHz	SDI, SPI, SQI	2.2 V	1.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8	Reel
SRAM 512K 1.8V SPI SERIAL SRAM SQI 23A512T-I/ST Microchip Technology 2,500: $1.85 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23A512T-I/ST Mouser Part # 579-23A51579-2T-I/ST	Microchip Technology	SRAM 512K 1.8V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.85	Min.: 2,500 Mult.: 2,500 : 2,500	512 kbit	64 k x 8	25 ns	20 MHz	SDI, SPI, SQI	2.2 V	1.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	TSSOP-8	Reel
SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT 23K256T-E/SN Microchip Technology 3,300: $1.42 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23K256T-E/SN Mouser Part # 579-23K256T-E/SN	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.42	Min.: 3,300 Mult.: 3,300 : 3,300	256 kbit	32 k x 8	32 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-8	Reel
SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT 23K256T-E/ST Microchip Technology 2,500: $1.48 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # 23K256T-E/ST Mouser Part # 579-23K256T-E/ST	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel $1.48	Min.: 2,500 Mult.: 2,500 : 2,500	256 kbit	32 k x 8	32 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 125 C	SMD/SMT	TSSOP-8	Reel

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