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25CS320 32-Kbit SPI Serial EEPROM

Microchip Technology 25CS320 32-Kbit SPI Serial EEPROM uses an SPI-compatible bus organized into 4096 bytes of 8-bits each (4KB). Microchip Technology 25CS320 is designed for consumer, industrial, and automotive applications and offers reliable, nonvolatile memory storage with a wide operating voltage range of 1.7V to 5.5V. The device requires a clock input (SCK), data input (SI), and data output (SO) lines, with access controlled via a Chip Select (CS) input. It also features a pause function, allowing the host to handle higher-priority tasks while ignoring input transitions, except for Chip Select.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) Filter the results in the table by unit price based on your quantity.	Qty.	Memory Size	Interface Type	Maximum Clock Frequency	Organisation	Package/Case	Access Time	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Retention	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP T&R, 125C Ext Temp 25CS320T-E/ST Microchip Technology 1: CHF 0.483 2’500In Stock New Product	Mfr. Part No. 25CS320T-E/ST Mouser Part No 579-25CS320T-E/ST New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP T&R, 125C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	2’500In Stock	Cut Tape CHF 0.483 CHF 0.48 Reel CHF 0.446 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	32 kbit	SPI	20 MHz	4 k x 8	TSSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP T&R, 125C Ext Temp 25CS320T-E/MS Microchip Technology 1: CHF 0.483 2’500In Stock New Product	Mfr. Part No. 25CS320T-E/MS Mouser Part No 579-25CS320T-E/MS New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP T&R, 125C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	2’500In Stock	Cut Tape CHF 0.483 CHF 0.48 Reel CHF 0.446 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	32 kbit	SPI	20 MHz	4 k x 8	MSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP T&R, 85C Industrial 25CS320T-I/ST Microchip Technology 1: CHF 0.434 2’484In Stock New Product	Mfr. Part No. 25CS320T-I/ST Mouser Part No 579-25CS320T-I/ST New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP T&R, 85C Industrial Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	2’484In Stock	Cut Tape CHF 0.434 CHF 0.431 Reel CHF 0.394 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	32 kbit	SPI	20 MHz	4 k x 8	TSSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP T&R, 85C Industrial 25CS320T-I/MS Microchip Technology 1: CHF 0.434 2’289In Stock New Product	Mfr. Part No. 25CS320T-I/MS Mouser Part No 579-25CS320T-I/MS New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP T&R, 85C Industrial Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	2’289In Stock	Cut Tape CHF 0.434 CHF 0.431 Reel CHF 0.394 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	32 kbit	SPI	20 MHz	4 k x 8	MSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC Bulk, 150C Ext Temp 25CS320-H/SN Microchip Technology 1: CHF 0.555 149In Stock 600Expected 12/22/2026 New Product	Mfr. Part No. 25CS320-H/SN Mouser Part No 579-25CS320-H/SN New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC Bulk, 150C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom This product may require additional documentation to export from the United States.	Datasheet	149In Stock 600Expected 12/22/2026	CHF 0.555 CHF 0.549 CHF 0.532 CHF 0.523 CHF 0.506	Min.: 1 Mult.: 1	32 kbit	SPI	20 MHz	4 k x 8	SOIC-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 150 C	Tube
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-UDFN T&R, 125C Ext Temp 25CS320T-E/Q4B Microchip Technology 1: CHF 0.475 4’812In Stock New Product	Mfr. Part No. 25CS320T-E/Q4B Mouser Part No 579-25CS320T-E/Q4B New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-UDFN T&R, 125C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	4’812In Stock	Cut Tape CHF 0.475 CHF 0.469 Reel CHF 0.429 MouseReel Available	Min.: 1 Mult.: 1 : 5’000	32 kbit	SPI	20 MHz	4 k x 8	UDFN-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC T&R, 125C Ext Temp 25CS320T-E/SN Microchip Technology 1: CHF 0.434 3’295In Stock New Product	Mfr. Part No. 25CS320T-E/SN Mouser Part No 579-25CS320T-E/SN New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC T&R, 125C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	3’295In Stock	Cut Tape CHF 0.434 CHF 0.431 Reel CHF 0.394 MouseReel Available	Min.: 1 Mult.: 1 : 3’300	32 kbit	SPI	20 MHz	4 k x 8	SOIC-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC T&R, 150C Ext Temp 25CS320T-H/SN Microchip Technology 1: CHF 0.555 3’300In Stock New Product	Mfr. Part No. 25CS320T-H/SN Mouser Part No 579-25CS320T-H/SN New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC T&R, 150C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom This product may require additional documentation to export from the United States.	Datasheet	3’300In Stock	Cut Tape CHF 0.555 Reel CHF 0.506 MouseReel Available	Min.: 1 Mult.: 1 : 3’300	32 kbit	SPI	20 MHz	4 k x 8	SOIC-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 150 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP T&R, 150C Ext Temp 25CS320T-H/ST Microchip Technology 1: CHF 0.572 2’500In Stock New Product	Mfr. Part No. 25CS320T-H/ST Mouser Part No 579-25CS320T-H/ST New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP T&R, 150C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom This product may require additional documentation to export from the United States.	Datasheet	2’500In Stock	Cut Tape CHF 0.572 CHF 0.566 Reel CHF 0.523 MouseReel Available	Min.: 1 Mult.: 1 : 2’500	32 kbit	SPI	20 MHz	4 k x 8	TSSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 150 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-UDFN T&R, 85C Industrial 25CS320T-I/Q4B Microchip Technology 1: CHF 0.427 4’985In Stock New Product	Mfr. Part No. 25CS320T-I/Q4B Mouser Part No 579-25CS320T-I/Q4B New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-UDFN T&R, 85C Industrial Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	4’985In Stock	Cut Tape CHF 0.427 CHF 0.419 Reel CHF 0.377 MouseReel Available	Min.: 1 Mult.: 1 : 5’000	32 kbit	SPI	20 MHz	4 k x 8	UDFN-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC T&R, 85C Industrial 25CS320T-I/SN Microchip Technology 1: CHF 0.387 3’285In Stock New Product	Mfr. Part No. 25CS320T-I/SN Mouser Part No 579-25CS320T-I/SN New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC T&R, 85C Industrial Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	3’285In Stock	Cut Tape CHF 0.387 CHF 0.383 Reel CHF 0.352 MouseReel Available	Min.: 1 Mult.: 1 : 3’300	32 kbit	SPI	20 MHz	4 k x 8	SOIC-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP Bulk, 125C Ext Temp 25CS320-E/MS Microchip Technology 1: CHF 0.483 465In Stock New Product	Mfr. Part No. 25CS320-E/MS Mouser Part No 579-25CS320-E/MS New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP Bulk, 125C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	465In Stock	CHF 0.483 CHF 0.48 CHF 0.463 CHF 0.455 CHF 0.446	Min.: 1 Mult.: 1	32 kbit	SPI	20 MHz	4 k x 8	MSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC Bulk, 125C Ext Temp 25CS320-E/SN Microchip Technology 1: CHF 0.434 515In Stock New Product	Mfr. Part No. 25CS320-E/SN Mouser Part No 579-25CS320-E/SN New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC Bulk, 125C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	515In Stock	CHF 0.434 CHF 0.429 CHF 0.412 CHF 0.403 CHF 0.394	Min.: 1 Mult.: 1	32 kbit	SPI	20 MHz	4 k x 8	SOIC-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP Bulk, 125C Ext Temp 25CS320-E/ST Microchip Technology 1: CHF 0.483 500In Stock New Product	Mfr. Part No. 25CS320-E/ST Mouser Part No 579-25CS320-E/ST New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP Bulk, 125C Ext Temp Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	500In Stock	CHF 0.483 CHF 0.48 CHF 0.463 CHF 0.455 CHF 0.446	Min.: 1 Mult.: 1	32 kbit	SPI	20 MHz	4 k x 8	TSSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 125 C	Tube
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP Bulk, 85C Industrial 25CS320-I/MS Microchip Technology 1: CHF 0.434 588In Stock New Product	Mfr. Part No. 25CS320-I/MS Mouser Part No 579-25CS320-I/MS New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-MSOP Bulk, 85C Industrial Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	588In Stock	CHF 0.434 CHF 0.429 CHF 0.412 CHF 0.403 CHF 0.394	Min.: 1 Mult.: 1	32 kbit	SPI	20 MHz	4 k x 8	MSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC Bulk, 85C Industrial 25CS320-I/SN Microchip Technology 1: CHF 0.378 685In Stock New Product	Mfr. Part No. 25CS320-I/SN Mouser Part No 579-25CS320-I/SN New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-SOIC Bulk, 85C Industrial Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	685In Stock	CHF 0.378 CHF 0.377 CHF 0.369 CHF 0.36 CHF 0.352	Min.: 1 Mult.: 1	32 kbit	SPI	20 MHz	4 k x 8	SOIC-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube
EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP Bulk, 85C Industrial 25CS320-I/ST Microchip Technology 1: CHF 0.434 700In Stock New Product	Mfr. Part No. 25CS320-I/ST Mouser Part No 579-25CS320-I/ST New Product	Microchip Technology	EEPROM 32 Kbit SPI SERIAL EEPROM w/ECC, 8-TSSOP Bulk, 85C Industrial Learn More about Microchip Technology microchip 25cs320 eeprom	Datasheet	700In Stock	CHF 0.434 CHF 0.429 CHF 0.412 CHF 0.403 CHF 0.394	Min.: 1 Mult.: 1	32 kbit	SPI	20 MHz	4 k x 8	TSSOP-8	20 ns	1.7 V	5.5 V	SMD/SMT	200 Year	- 40 C	+ 85 C	Tube

25CS320 32-Kbit SPI Serial EEPROM

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