Product directory

Memory & Microcontrollers

Explore memory & microcontrollers with complete handbook parameters, package options and cross references.

Cross Reference Search

Find a reference part or BI model in this category.

With cross referenceFull directory CSV ↓Original values CSV ↓

FRAM

BI Part Number	Cross Reference	Function	Memory density	Clock frequency (MHz)	Data width	Supply voltage (V)	Interface	Package
BIFR24V05	FM24V05	FRAM	512Kbit	1	×8	1.7–5.5	I2C	SOP-8
BIFR25V20	FM25V20	FRAM	2Mbit	25	×8	-0.5–4	SPI	SOP-8/TDFN-8

Microcontrollers

BI Part Number	Cross Reference	Function	Clock frequency (MHz)	Flash memory	SRAM	I/O count	I²C count	SPI / I²S count	Package
BI32F003	—	Microcontrollers	48	32KB	4KB	16	1	1	TSSOP-20/SOP-20/QFN-20
BI32F030	—	Microcontrollers	48	32~256KB	4~32KB	55	2	2	LQFP-64/48/32/QFN-32
BI32F051	—	Microcontrollers	48	32/64KB	8KB	55	2	2(1)	LQFP-64/48/32/QFN-48/32
BI32F091	—	Microcontrollers	48	128/256KB	32KB	88	2	2(2)	LQFP-100/64/48/QFN-48
BI32F103	—	Microcontrollers	96	64~512KB	20~128KB	112	2	3(2)	LQFP-144/100/64/48/QFN-36
BI32F105	—	Microcontrollers	96	128/256KB	64KB	80	2	3(2)	LQFP-100/64
BI32F107	—	Microcontrollers	96	128/256KB	64KB	80	2	3(2)	LQFP-100/64
BI32F403	—	Microcontrollers	120	128KB	32KB	51	1	2	LQFP-64/48/QFN-48/36
BI32F407	—	Microcontrollers	168	512/1024KB	192KB+4KB	140	3	3(2)	LQFP-144/100/64
BI32F411	—	Microcontrollers	120	512KB	128KB	81	3	5(5)	LQFP-100/64/48/QFN-48

NVSRAM

BI Part Number	Cross Reference	Function	Memory density	Maximum frequency (MHz)	Supply voltage (V)	Interface	Package
BIK1268	STK12C68	NVSRAM	64kbit	1	1.5–5.5	parallel	SOP-28
BIK1488	STK14C88	NVSRAM	256kbit	1	1.5–5.5	parallel	SOP-32
BIK14A8	STK14CA8	NVSRAM	IM	5	3–3.6	parallel	SOP-32

SPI Flash

BI Part Number	Cross Reference	Function	Memory density	Clock frequency (MHz)	Supply voltage (V)	Interface	Package
BI25LQ128	N25LQ28	SPI Flash	128Mbit	100	1.65–2	SPI	SOP8
BI25LQ16	N25LQ16	SPI Flash	16Mbit	100	1.65–2	SPI	SOP8/SOP8
BI25LQ32	N25LQ32	SPI Flash	32Mbit	100	1.65–2	SPI	SOP8/SOP8
BI25Q128	N25Q128	SPI Flash	128Mbit	100	2.7–3.6	SPI	SOP8
BI25Q16	N25Q16	SPI Flash	16Mbit	100	2.7–3.6	SPI	SOP8/SOP8
BI25Q256	N25Q256	SPI Flash	256Mbit	100	2.7–3.6	SPI	SOP16
BI25Q32	N25Q32	SPI Flash	32Mbit	100	2.7–3.6	SPI	SOP8/SOP8
BI25Q64	N25Q64	SPI Flash	64Mbit	100	2.7–3.6	SPI	SOP8/SOP8

SRAM

BI Part Number	Cross Reference	Function	Memory density	Data width	Supply voltage (V)	Interface	Package
BISR12816	CY7C1011	SRAM	2Mbit	×16	3.3	parallel	TSOP-44
BISR1288	CY7C1019	SRAM	1Mbit	×8	3.3	parallel	TSOP-32
BISR1M16	CY7C1061	SRAM	16Mbit	×16	3.3	parallel	TSOP-44
BISR1M8	CY7C1059	SRAM	8Mbit	×8	3.3	parallel	TSOP-44
BISR256	CY7C1399	SRAM	256kbit	×8	3.3	parallel	TSOP-28
BISR25616	CY7C1041	SRAM	4Mbit	×16	3.3	parallel	TSOP-44
BISR2568	CY7C1010	SRAM	2Mbit	×8	3.3	parallel	TSOP-44
BISR51216	CY7C1051	SRAM	8Mbit	×16	3.3	parallel	TSOP-44
BISR5128	CY7C1049	SRAM	4Mbit	×8	3.3	parallel	TSOP-44
BISR6416	CY7C1021	SRAM	1Mbit	×16	3.3	parallel	TSOP-44

Cross references are listed in the product handbook and do not establish drop-in compatibility. Verify pinout, electrical limits and qualification for the intended design. “—” means no value is listed; fields marked “Confirmation pending” require clarification.

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