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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 512K 2.5V SPI SERIAL SRAM SQI 23LC512-I/ST Microchip Technology 1: ¥310.6 3,453In Stock	Mfr. Part # 23LC512-I/ST Mouser Part # 579-23LC51579-2-I/ST	Microchip Technology	SRAM 512K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	3,453In Stock	¥310.6 ¥302.3 ¥292.3 ¥287.4	Min.: 1 Mult.: 1	512 kbit	64 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	Tube
SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT 23K256-E/SN Microchip Technology 1: ¥239.2 1,585In Stock	Mfr. Part # 23K256-E/SN Mouser Part # 579-23K256-E/SN	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	1,585In Stock	¥239.2 ¥230.9 ¥224.2 ¥220.9 ¥219.3	Min.: 1 Mult.: 1	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	Tube
SRAM 512K 2.5V SPI SERIAL SRAM SQI 23LC512-I/P Microchip Technology 1: ¥313.9 1,514In Stock	Mfr. Part # 23LC512-I/P Mouser Part # 579-23LC51579-2-I/P	Microchip Technology	SRAM 512K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	1,514In Stock	¥313.9 ¥305.6 ¥304 ¥289	Min.: 1 Mult.: 1	512 kbit	64 k x 8	25 ns	20 MHz	SDI, SPI, SQI	5.5 V	2.5 V	10 mA	- 40 C	+ 85 C	Through Hole	PDIP-8	Tube
SRAM 64K 8K X 8 2.7V SERIAL SRAM IND 23K640-I/SN Microchip Technology 1: ¥126.2 7,327In Stock	Mfr. Part # 23K640-I/SN Mouser Part # 579-23K640-I/SN	Microchip Technology	SRAM 64K 8K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	7,327In Stock	¥126.2 ¥123.2 ¥117.3	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	SOIC-8	Tube
SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT 23A1024-E/ST Microchip Technology 1: ¥481.7 76In Stock	Mfr. Part # 23A1024-E/ST Mouser Part # 579-23A10579-24-E/ST	Microchip Technology	SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	76In Stock	¥481.7 ¥448.5 ¥443.5 ¥438.5	Min.: 1 Mult.: 1	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	Tube
SRAM 64K 8K X 8 2.7V SERIAL SRAM EXT 23K640-E/P Microchip Technology 1: ¥186 280In Stock	Mfr. Part # 23K640-E/P Mouser Part # 579-23K640-E/P	Microchip Technology	SRAM 64K 8K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	280In Stock	¥186 ¥157.6 ¥145.2 ¥142.2 ¥140.5	Min.: 1 Mult.: 1	64 kbit	8 k x 8	32 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 512K 2.5V SPI SERIAL SRAM SQI EXT 23LC512-E/P Microchip Technology 1: ¥400.3 192In Stock	Mfr. Part # 23LC512-E/P Mouser Part # 579-23LC51579-2-E/P	Microchip Technology	SRAM 512K 2.5V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	192In Stock	¥400.3 ¥368.7 ¥353.8 ¥325.6 View ¥323.9 ¥317.3 ¥315.6	Min.: 1 Mult.: 1	512 kbit	64 k x 8	32 ns	16 MHz	SDI, SPI, SQI	5.5 V	2.5 V	10 mA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT 23K256-E/P Microchip Technology 1: ¥254.1 192In Stock	Mfr. Part # 23K256-E/P Mouser Part # 579-23K256-E/P	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	192In Stock	¥254.1 ¥247.5 ¥232.5	Min.: 1 Mult.: 1	256 kbit	32 k x 8	32 ns	20 MHz	SPI	3.6 V	2.7 V	10 mA	- 40 C	+ 125 C	Through Hole	PDIP-8	Tube
SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT 23A1024-E/SN Microchip Technology 1: ¥475 55In Stock	Mfr. Part # 23A1024-E/SN Mouser Part # 579-23A10579-24-E/SN	Microchip Technology	SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	55In Stock	¥475 ¥441.8 ¥435.2 ¥431.9 ¥430.2	Min.: 1 Mult.: 1	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	Tube
SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT 23A1024-E/P Microchip Technology 1: ¥476.7 153In Stock	Mfr. Part # 23A1024-E/P Mouser Part # 579-23A1024-E/P	Microchip Technology	SRAM 1024K 1.8V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	153In Stock	¥476.7 ¥460.1 ¥441.8	Min.: 1 Mult.: 1	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	Through Hole	PDIP-8	Tube
SRAM 256K 32K X 8 1.7V SERIAL SRAM IND 23A256T-I/ST Microchip Technology 1: ¥551.5 2,197In Stock	Mfr. Part # 23A256T-I/ST Mouser Part # 579-23A256T-I/ST	Microchip Technology	SRAM 256K 32K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	2,197In Stock	Cut Tape ¥551.5 Reel ¥225.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	256 kbit	32 k x 8	32 ns	20 MHz	SPI	1.95 V	1.7 V	10 mA	- 40 C	+ 85 C	SMD/SMT	TSSOP-8	Reel, Cut Tape, MouseReel
SRAM 512K 2.5V SPI SERIAL SRAM SQI 23LC512T-I/ST Microchip Technology 1: ¥330.5 2,435In Stock	Mfr. Part # 23LC512T-I/ST Mouser Part # 579-23LC512T-I/ST	Microchip Technology	SRAM 512K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	2,435In Stock	Cut Tape ¥330.5 ¥310.6 Reel ¥300.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	512 kbit	64 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 512K 1.8V SPI SERIAL SRAM SQI EXT 23A512-E/SN Microchip Technology 1: ¥350.5 198In Stock	Mfr. Part # 23A512-E/SN Mouser Part # 579-23A51579-2-E/SN	Microchip Technology	SRAM 512K 1.8V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	198In Stock	¥350.5 ¥342.2 ¥310.6 ¥308.9	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	SMD/SMT	SOIC-8	Tube
SRAM 1024K, 1.8V SPI SERIAL SRAM, SQI 23A1024-I/P Microchip Technology 1: ¥466.7 100In Stock	Mfr. Part # 23A1024-I/P Mouser Part # 579-23A1024-I/P	Microchip Technology	SRAM 1024K, 1.8V SPI SERIAL SRAM, SQI Learn More about Microchip Technology microchip sram	Datasheet	100In Stock	¥466.7 ¥446.8 ¥430.2	Min.: 1 Mult.: 1	1 Mbit	128 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 1024K 1.8V SPI SERIAL SRAM SQI 23A1024-I/ST Microchip Technology 1: ¥431.9 388In Stock	Mfr. Part # 23A1024-I/ST Mouser Part # 579-23A1024-I/ST	Microchip Technology	SRAM 1024K 1.8V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	388In Stock	¥431.9 ¥426.9 ¥425.2	Min.: 1 Mult.: 1	1 Mbit	128 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	Tube
SRAM 64K 8K X 8 1.7V SERIAL SRAM IND 23A640T-I/SN Microchip Technology 1: ¥136.2 2,913In Stock	Mfr. Part # 23A640T-I/SN Mouser Part # 579-23A640T-I/SN	Microchip Technology	SRAM 64K 8K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	2,913In Stock	Cut Tape ¥136.2 ¥134.7 ¥123.6 Reel ¥123.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	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	Reel, Cut Tape, MouseReel
SRAM 1024K 2.5V SPI SERIAL SRAM SQI 23LC1024-I/ST Microchip Technology 1: ¥431.9 6,178In Stock	Mfr. Part # 23LC1024-I/ST Mouser Part # 579-23LC1024-I/ST	Microchip Technology	SRAM 1024K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	6,178In Stock	¥431.9 ¥426.9 ¥421.9	Min.: 1 Mult.: 1	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	Tube
SRAM 1024K 2.5V SPI SERIAL SRAM SQI 23LC1024T-I/SN Microchip Technology 1: ¥450.1 9,941In Stock 9,900Expected 12/28/2026	Mfr. Part # 23LC1024T-I/SN Mouser Part # 579-23LC1024T-I/SN	Microchip Technology	SRAM 1024K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	9,941In Stock 9,900Expected 12/28/2026	Cut Tape ¥450.1 ¥448.5 ¥446.8 ¥445.1 Reel ¥410.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	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	SOIC-8	Reel, Cut Tape, MouseReel
SRAM 1024K 2.5V SPI SERIAL SRAM SQI EXT 23LC1024-E/ST Microchip Technology 1: ¥473.4 1,096In Stock 400Expected 11/2/2026	Mfr. Part # 23LC1024-E/ST Mouser Part # 579-23LC1024-E/ST	Microchip Technology	SRAM 1024K 2.5V SPI SERIAL SRAM SQI EXT Learn More about Microchip Technology microchip sram	Datasheet	1,096In Stock 400Expected 11/2/2026	¥473.4 ¥455.1 ¥438.5	Min.: 1 Mult.: 1	1 Mbit	128 k x 8	32 ns	16 MHz	SDI, SPI, SQI	5.5 V	2.5 V	10 mA	- 40 C	+ 125 C	SMD/SMT	TSSOP-8	Tube
SRAM 1024K 2.5V SPI SERIAL SRAM SQI 23LC1024-I/SN Microchip Technology 1: ¥451.8 1,273In Stock 3,200Expected 12/28/2026	Mfr. Part # 23LC1024-I/SN Mouser Part # 579-23LC1024-I/SN	Microchip Technology	SRAM 1024K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	1,273In Stock 3,200Expected 12/28/2026	¥451.8 ¥433.5 ¥416.9	Min.: 1 Mult.: 1	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	SOIC-8	Tube
SRAM 512K 2.5V SPI SERIAL SRAM SQI 23LC512T-I/SN Microchip Technology 1: ¥323.9 2,174In Stock	Mfr. Part # 23LC512T-I/SN Mouser Part # 579-23LC512T-I/SN	Microchip Technology	SRAM 512K 2.5V SPI SERIAL SRAM SQI Learn More about Microchip Technology microchip sram	Datasheet	2,174In Stock	Cut Tape ¥323.9 Reel ¥299 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	512 kbit	64 k x 8	25 ns	20 MHz	SDI, SPI, SQI	5.5 V	2.5 V	10 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8	Reel, Cut Tape, MouseReel
SRAM 64K 8K X 8 1.7V SERIAL SRAM IND 23A640T-I/ST Microchip Technology 1: ¥142.8 1,884In Stock	Mfr. Part # 23A640T-I/ST Mouser Part # 579-23A640T-I/ST	Microchip Technology	SRAM 64K 8K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	1,884In Stock	Cut Tape ¥142.8 ¥142.3 Reel ¥131.1 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	Reel, Cut Tape, MouseReel
SRAM 256K 32K X 8 2.7V SERIAL SRAM IND 23K256-I/SN Microchip Technology 1: ¥227.6 7,193In Stock 5,300Expected 12/7/2026	Mfr. Part # 23K256-I/SN Mouser Part # 579-23K256-I/SN	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	7,193In Stock 5,300Expected 12/7/2026	¥227.6 ¥220.9 ¥210.9	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	SMD/SMT	SOIC-8	Tube
SRAM 256K 32K X 8 2.7V SERIAL SRAM IND 23K256-I/ST Microchip Technology 1: ¥237.5 3,812In Stock	Mfr. Part # 23K256-I/ST Mouser Part # 579-23K256-I/ST	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	3,812In Stock	¥237.5 ¥227.6 ¥220.9	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	SMD/SMT	TSSOP-8	Tube
SRAM 256K 32K X 8 2.7V SERIAL SRAM IND 23K256T-I/ST Microchip Technology 1: ¥259.1 7,398In Stock	Mfr. Part # 23K256T-I/ST Mouser Part # 579-23K256T-I/ST	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	7,398In Stock	Cut Tape ¥259.1 ¥257.5 ¥255.8 Reel ¥227.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	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	TSSOP-8	Reel, Cut Tape, MouseReel

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