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SPI Flash (ie SPI Nor Flash) is a kind of Nor Flash. NOR Flash can be divided into parallel (Parallel) NOR Flash and serial (SPI) NOR Flash according to the number of bits of data transmission. SPI Nor Flash transmits one bit at a time Parallel Nor Flash transfers multiple bits of data at a time. SPI Nor Flash is cheaper than parallel. The interface is simpler, but the speed is slower. NOR Flash is a non-volatile memory with the characteristics of large storage capacity and long data retention time. The number of erasing and writing is up to 100,000 times, and the data update speed is much faster than that of EEPROM. Can save data, often used to save some important configuration information.

Zbit Semi, Inc.can provide Flash memory with general SPI interface. The main products are ZB25LD/ZB25LQ series with 1.8V working voltage, ZB25VQ/ZB25D series with 3.0V working voltage, and ZB25WD/ZB25WQ series with 1.8/3.3V wide working voltage. The available capacity ranges from 1Mbit to 256Mbit. The quiescent current of Hengshuo Semiconductor SPI NOR Flash products is as low as 1uA, the data retention time is 20 years, the number of erasing and writing can reach 100,000 times, and the operating temperature range is -40℃～105℃. The product has high reliability, low power consumption, and advanced safety features

Density	Part Number	Vcc	Type	Speed	Package	Download
1Mbit	ZB25D10	2.7V-3.6V	Dual SPI	100MHz	SOP8/USON8/TSSOP8	NULL
2Mbit	ZB25D20	2.7V-3.6V	Dual SPI	100MHz	SOP8/USON8 /TSSOP8	NULL
4Mbit	ZB25D40	2.7V-3.6V	Dual SPI	100MHz	SOP8/USON8/TSSOP8	NULL
8Mbit	ZB25D80	2.7V-3.6V	Dual SPI	100MHz	SOP8/USON8/TSSOP8	NULL
16Mbit	ZB25D16	2.7V-3.6V	Dual SPI	100MHz	SOP8/USON8/TSSOP8	NULL
2Mbit	ZB25VQ20	2.3V-3.6V	Dual SPI/Quad SPI	104MHz	SOP8/USON8/TSSOP8	NULL
4Mbit	ZB25VQ40	2.3V-3.6V	Dual SPI/Quad SPI	104MHz	SOP8/USON8/TSSOP8	NULL
8Mbit	ZB25VQ80	2.3V-3.6V	Dual SPI/Quad SPI	104MHz	SOP8/USON8/TSSOP8	NULL
16Mbit	ZB25VQ16	2.3V-3.6V	Dual SPI/Quad SPI	104MHz	SOP8/USON8/TSSOP8	NULL
32Mbit	ZB25VQ32	2.3V-3.6V	Dual SPI/Quad SPI/QPI	120MHz	SOP8/USON8/TFBGA24	NULL
64Mbit	ZB25VQ64	2.3V-3.6V	Dual SPI/Quad SPI/QPI	104MHz	SOP8/USON8/TFBGA24	NULL
128Mbit	ZB25VQ128	2.3V-3.6V	Dual SPI/Quad SPI/QPI	104MHz	SOP8/WSON8/TFBGA24	NULL
256Mbit	ZB25VQ256	2.3V-3.6V	Dual SPI/Quad SPI/QPI/DTR	133MHz	SOP16/WSON8/TFBGA24	NULL
1Mbit	ZB25LD10	1.65V-1.95V	Dual SPI	70MHz	SOP8/USON8 /TSSOP8	NULL
2Mbit	ZB25LD20	1.65V-1.95V	Dual SPI	70MHz	SOP8/USON8 /TSSOP8	NULL
4Mbit	ZB25LD40	1.65V-1.95V	Dual SPI	70MHz	SOP8/USON8 /TSSOP8	NULL
8Mbit	ZB25LD80	1.65V-1.95V	Dual SPI	70MHz	SOP8/USON8 /TSSOP8	NULL
8Mbit	ZB25LQ80	1.65V-1.95V	Dual SPI/Quad SPI/QPI	104MHz	SOP8/USON8 /TSSOP8	NULL
16Mbit	ZB25LQ16	1.65V-1.95V	Dual SPI/Quad SPI	104MHz	SOP8/USON8 /TSSOP8	NULL
32Mbit	ZB25LQ32	1.65V-1.95V	Dual SPI/Quad SPI/QPI	104MHz	SOP8/USON8 /TSSOP8	NULL
64Mbit	ZB25LQ64	1.65V-1.95V	Dual SPI/Quad SPI/QPI/DTR	120MHz	SOP8/USON8/TFBGA24	NULL
128Mbit	ZB25LQ128	1.65V-1.95V	Dual SPI/Quad SPI/QPI	104MHz	SOP8/WSON8/TFBGA24	NULL
1Mbit	ZB25WD10	1.65V-3.6V	Dual SPI	100MHz	SOP8/USON8 /TSSOP8	NULL
2Mbit	ZB25WD20	1.65V-3.6V	Dual SPI	100MHz	SOP8/USON8 /TSSOP8	NULL
4Mbit	ZB25WD40	1.65V-3.6V	Dual SPI	100MHz	SOP8/USON8 /TSSOP8	NULL
8Mbit	ZB25WD80	1.65V-3.6V	Dual SPI	100MHz	SOP8/USON8 /TSSOP8	NULL
16Mbit	ZB25WQ16	1.65V-3.6V	Dual SPI/Quad SPI	133MHz	SOP8/USON8 /TSSOP8	NULL

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