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CY15B104Q 4-Mbit Serial SPI F-RAM

Infineon Technologies CY15B104Q 4-Mbit Serial SPI F-RAM is a 4-Mbit non-volatile ferroelectric random access memory (F-RAM) logically organized as 512K×8. F-RAM is non-volatile and performs reads and writes similar to a RAM with reliable data retention of 151 years. The Infineon CY15B104Q eliminates the complexities, overhead, and system-level reliability problems caused by serial flash, EEPROM, and other non-volatile memories.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.	Memory Size	Interface Type	Maximum Clock Frequency	Organization	Package / Case	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
F-RAM FRAM Infineon Technologies CY15B104Q-SXIT CY15B104Q-SXIT Infineon Technologies 1: $35.135 1.985In Stock NRND	Mfr. Part # CY15B104Q-SXIT Mouser Part # 727-CY15B104Q-SXIT NRND	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	1.985In Stock	Cut Tape $35.135 $32.807 $31.797 $30.710 View Reel $25.989 $29.941 $28.942 $28.558 $27.581 $25.989 MouseReel Available	Min.: 1 Mult.: 1 : 2.000	4 Mbit	SPI	25 MHz, 40 MHz	512 k x 8	SOIC-8	2 V	3.6 V	- 40 C	+ 85 C	CY15B104	Reel, Cut Tape, MouseReel
F-RAM FRAM CY15B104Q-SXI Infineon Technologies 1: $35.837 2.401In Stock NRND	Mfr. Part # CY15B104Q-SXI Mouser Part # 727-CY15B104Q-SXI NRND	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	2.401In Stock	$35.837 $33.191 $32.137 $30.435 View $29.700 $28.975 Quote	Min.: 1 Mult.: 1	4 Mbit	SPI	25 MHz, 40 MHz	512 k x 8	SOIC-8	2 V	3.6 V	- 40 C	+ 85 C	CY15B104	Tube
F-RAM FRAM CY15B104Q-LHXI Infineon Technologies 1: $37.451 887In Stock 740Expected 10/19/2026	Mfr. Part # CY15B104Q-LHXI Mouser Part # 727-CY15B104Q-LHXI	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	887In Stock 740Expected 10/19/2026	$37.451 $34.465 $33.466 $32.917 View $32.280 $32.225 Quote	Min.: 1 Mult.: 1	4 Mbit	SPI	25 MHz, 40 MHz	512 k x 8	TDFN-8	2 V	3.6 V	- 40 C	+ 85 C	CY15B104	Tube
F-RAM FRAM Excelon Auto CY15B104QN-50SXA Infineon Technologies 1: $22.903 754In Stock 470On Order	Mfr. Part # CY15B104QN-50SXA Mouser Part # 727-CY15B104QN-50SXA	Infineon Technologies	F-RAM FRAM Excelon Auto Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	754In Stock 470On Order	$22.903 $21.234 $20.565 $19.609 View $19.126 $18.841 $18.347 Quote	Min.: 1 Mult.: 1	4 Mbit	SPI	50 MHz	512 k x 8	SOIC-8	1.8 V	3.6 V	- 40 C	+ 85 C	CY15B104	Tube
F-RAM 4Mb F-RAM 108 MHz QSPI CY15B104QSN-108SXI Infineon Technologies 1: $36.474 603In Stock	Mfr. Part # CY15B104QSN-108SXI Mouser Part # 727-CY15B104QSN108SX	Infineon Technologies	F-RAM 4Mb F-RAM 108 MHz QSPI Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	603In Stock	$36.474 $35.585 $34.476 $33.334 View $32.499 $31.808 Quote	Min.: 1 Mult.: 1	4 Mbit	Quad SPI	108 MHz	512 k x 8	SOIC-8	1.8 V	3.6 V	- 40 C	+ 85 C	CY15B104	Tube
F-RAM FRAM Infineon Technologies CY15B104QN-50SXI CY15B104QN-50SXI Infineon Technologies 1: $19.697 679In Stock	Mfr. Part # CY15B104QN-50SXI Mouser Part # 727-CY15B104QN-50	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	679In Stock	$19.697 $18.270 $17.710 $16.887 View $16.469 $16.217 $15.800 Quote	Min.: 1 Mult.: 1	4 Mbit	SPI	50 MHz	512 k x 8	SOIC-8	1.8 V	3.6 V	- 40 C	+ 85 C	CY15B104	Tube
F-RAM FRAM CY15B104Q-LHXIT Infineon Technologies 1: $39.274 4.155On Order	Mfr. Part # CY15B104Q-LHXIT Mouser Part # 727-CY15B104Q-LHXIT	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	4.155On Order On Order Ship Dates Mfr. #: CY15B104Q-LHXIT Stock: 0 On Order: 1.655 Expected 10/8/2026 2.500 TBD Factory Lead-Time: 26 Weeks	Cut Tape $39.274 $36.683 $35.815 $34.300 View Reel $29.952 $33.444 $32.335 $29.952 MouseReel Available	Min.: 1 Mult.: 1 : 2.500	4 Mbit	SPI	25 MHz, 40 MHz	512 k x 8	TDFN-8	2 V	3.6 V	- 40 C	+ 85 C	CY15B104	Reel, Cut Tape, MouseReel
F-RAM FRAM CY15B104QSN-108BFXI Infineon Technologies 4.900: $19.225 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # CY15B104QSN-108BFXI Mouser Part # 726-15B104QSN108BFXI	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	Non-Stocked Lead-Time 26 Weeks	$19.225	Min.: 4.900 Mult.: 4.900			108 MHz		UFLGA-8						Tray
F-RAM FRAM CY15B104QSN-108BFXIT Infineon Technologies 2.500: $19.049 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # CY15B104QSN-108BFXIT Mouser Part # 726-5B104QSN108BFXIT	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $19.049	Min.: 2.500 Mult.: 2.500 : 2.500			108 MHz		UFLGA-8						Reel
F-RAM FRAM CY15B104QI-20BFXI Infineon Technologies 4.900: $13.318 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # CY15B104QI-20BFXI Mouser Part # 726-CY15B104QI20BFXI	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	Non-Stocked Lead-Time 26 Weeks	$13.318	Min.: 4.900 Mult.: 4.900			20 MHz		UFLGA-8						Tray
F-RAM FRAM CY15B104QN-20BFXI Infineon Technologies 4.900: $13.274 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # CY15B104QN-20BFXI Mouser Part # 726-CY15B104QN20BFXI	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	Non-Stocked Lead-Time 26 Weeks	$13.274	Min.: 4.900 Mult.: 4.900		SPI	20 MHz		UFLGA-8						Tray
F-RAM FRAM CY15B104QN-50BFXI Infineon Technologies 4.900: $13.516 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # CY15B104QN-50BFXI Mouser Part # 726-CY15B104QN50BFXI	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	Non-Stocked Lead-Time 26 Weeks	$13.516	Min.: 4.900 Mult.: 4.900		SPI	50 MHz		UFLGA-8						Tray
F-RAM FRAM CY15B104QSN-108SXIT Infineon Technologies 2.000: $29.074 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # CY15B104QSN-108SXIT Mouser Part # 727-15B104QSN108SXIT	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $29.074	Min.: 2.000 Mult.: 2.000 : 2.000	4 Mbit	SPI	108 MHz	512 k x 8	SOIC-8	1.8 V	3.6 V	- 40 C	+ 85 C	CY15B104	Reel
F-RAM FRAM CY15B104QN-50SXAT Infineon Technologies 2.000: $16.535 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # CY15B104QN-50SXAT Mouser Part # 727-CY15B104QN50SXAT	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	Non-Stocked Lead-Time 26 Weeks	Reel $16.535	Min.: 2.000 Mult.: 2.000 : 2.000	4 Mbit	SPI	50 MHz	512 k x 8	SOIC-8	1.8 V	3.6 V	- 40 C	+ 85 C	CY15B104	Reel

CY15B104Q 4-Mbit Serial SPI F-RAM

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