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Quad SPI (QSPI) PSRAM SDRs in USON8 Package

AP Memory Quad SPI (QSPI) PSRAM SDRs in a USON8 Package delivers Internet of Things (IoT) RAM ranging from 16M to 64M densities with 2M x8 or 8M x8 organization. The PSRAM SDRs are offered in the USON8 package resulting in a compact solution compared to SOP8 but keeping the simplicity of PCB. The Quad SPI Pseudo Static Random Access Memory (PSRAM) SDRs feature a maximum clock frequency from 84MHz to 144MHz, depending on the device. Additionally, the devices support operating supply voltages in 1.8V and 3V versions, with an -40°C to 85°C industrial grade temperature range. AP Memory Quad SPI PSRAM SDRs in a USON8 package are ideal in memory selection for SoC applications requiring low pin count and ultra-low power extended memory.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Memory Size	Data Bus Width	Maximum Clock Frequency	Package/Case	Organisation	Supply Voltage - Min	Supply Voltage - Max	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 133/84MHz, RBX, 3V, Ind. Temp., SOP8 APS1604M-3SQR-SN AP Memory 1: HK$20.30 33,470In Stock	Mfr. Part No. APS1604M-3SQR-SN Mouser Part No 878-APS1604M-3SQR-SN	AP Memory	DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 133/84MHz, RBX, 3V, Ind. Temp., SOP8 Learn More about AP Memory uson8 qspi psram sdrs	Datasheet	33,470In Stock	Cut Tape HK$20.30 HK$18.99 HK$18.41 HK$18.00 View Reel HK$15.78 HK$17.59 HK$17.02 HK$16.77 HK$16.36 HK$15.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PSRAM (Pseudo SRAM)	16 Mbit	4 bit / 1 bit	84 MHz/133 MHz	SOP-8	2 M x 8	2.7 V	3.6 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR APS6404L-3SQN-SN AP Memory 1: HK$19.73 22,752In Stock	Mfr. Part No. APS6404L-3SQN-SN Mouser Part No 878-APS6404L-3SQN-SN	AP Memory	DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR Learn More about AP Memory uson8 qspi psram sdrs	Datasheet	22,752In Stock	Cut Tape HK$19.73 HK$18.41 HK$17.84 HK$17.43 View Reel HK$15.29 HK$17.02 HK$16.52 HK$16.28 HK$15.86 HK$15.29 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	133 MHz	SOP-8	8 M x 8	2.7 V	3.6 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR APS6404L-3SQR-SN AP Memory 1: HK$23.84 51,493In Stock 60,000Expected 17/11/2026	Mfr. Part No. APS6404L-3SQR-SN Mouser Part No 878-APS6404L-3SQR-SN	AP Memory	DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR Learn More about AP Memory uson8 qspi psram sdrs	Datasheet	51,493In Stock 60,000Expected 17/11/2026	Cut Tape HK$23.84 HK$22.28 HK$21.62 HK$21.13 View Reel HK$18.50 HK$20.63 HK$19.97 HK$19.73 HK$19.23 HK$18.50 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	84 MHz/133 MHz	SOP-8	8 M x 8	2.7 V	3.6 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR APS6404L-SQRH-SN AP Memory Restricted Availability	Mfr. Part No. APS6404L-SQRH-SN Mouser Part No 878-APS6404L-SQRH-SN	AP Memory	DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR Learn More about AP Memory uson8 qspi psram sdrs Mouser does not sell this product in your region.	Datasheet			Restricted Availability	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	84 MHz	SOP-8	8 M x 8	1.62 V	1.98 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR APS6404L-SQN-SN AP Memory Restricted Availability	Mfr. Part No. APS6404L-SQN-SN Mouser Part No 878-APS6404L-SQN-SN	AP Memory	DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR Learn More about AP Memory uson8 qspi psram sdrs Mouser does not sell this product in your region.	Datasheet			Restricted Availability	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	144 MHz	SOP-8	8 M x 8	1.62 V	1.98 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR APS6404L-3SQRX-SN AP Memory 1: HK$35.84 1,869In Stock	Mfr. Part No. APS6404L-3SQRX-SN Mouser Part No 878-APS6404L-3SQRXSN	AP Memory	DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR Learn More about AP Memory uson8 qspi psram sdrs	Datasheet	1,869In Stock	Cut Tape HK$35.84 HK$33.37 HK$32.47 HK$31.73 View Reel HK$27.62 HK$30.91 HK$29.92 HK$29.26 HK$28.52 HK$27.62 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	84 MHz/133 MHz	SOP-8	8 M x 8	2.7 V	3.6 V	- 40 C	+ 105 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM IoT RAM 64Mb QSPI (x1,x4) SDR 144MHz, HS, 1.8V, Ind. Temp., SOP8 APS6404L-SQH-SN AP Memory Restricted Availability	Mfr. Part No. APS6404L-SQH-SN Mouser Part No 878-APS6404L-SQH-SN	AP Memory	DRAM IoT RAM 64Mb QSPI (x1,x4) SDR 144MHz, HS, 1.8V, Ind. Temp., SOP8 Learn More about AP Memory uson8 qspi psram sdrs Mouser does not sell this product in your region.	Datasheet			Restricted Availability	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	144 MHz	SOP-8	8 M x 8	1.62 V	1.98 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 144/84MHz, RBX, 1.8V, Ext. Temp., SOP8 APS1604M-SQRX-SN AP Memory 1: HK$25.48 1,912In Stock	Mfr. Part No. APS1604M-SQRX-SN Mouser Part No 878-APS1604M-SQRX-SN	AP Memory	DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 144/84MHz, RBX, 1.8V, Ext. Temp., SOP8 Learn More about AP Memory uson8 qspi psram sdrs	Datasheet	1,912In Stock	Cut Tape HK$25.48 HK$23.84 HK$23.18 HK$22.61 View Reel HK$19.73 HK$22.11 HK$21.37 HK$21.04 HK$20.55 HK$19.73 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PSRAM (Pseudo SRAM)	16 Mbit	4 bit / 1 bit	84 MHz/144 MHz	SOP-8	2 M x 8	1.62 V	1.98 V	- 40 C	+ 105 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR APS6404L-SQRHX-SN AP Memory 1: HK$29.59 3,291In Stock	Mfr. Part No. APS6404L-SQRHX-SN Mouser Part No 878-APS6404L-SQRHXSN	AP Memory	DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR Learn More about AP Memory uson8 qspi psram sdrs	Datasheet	3,291In Stock	Cut Tape HK$29.59 HK$27.62 HK$26.80 HK$26.22 View Reel HK$22.77 HK$25.56 HK$24.74 HK$24.17 HK$23.59 HK$22.77 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	84 MHz	SOP-8	8 M x 8	1.62 V	1.98 V	- 40 C	+ 105 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 144MHz, 1.8V, Ind. Temp., SOP8 APS1604M-SQ-SN AP Memory Restricted Availability	Mfr. Part No. APS1604M-SQ-SN Mouser Part No 878-APS1604M-SQ-SN	AP Memory	DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 144MHz, 1.8V, Ind. Temp., SOP8 Learn More about AP Memory uson8 qspi psram sdrs Mouser does not sell this product in your region.	Datasheet			Restricted Availability	PSRAM (Pseudo SRAM)	16 Mbit	4 bit / 1 bit	144 MHz	SOP-8	2 M x 8	1.62 V	1.98 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR APS6404L-3SQN-ZR AP Memory 1: HK$21.37 10,406In Stock	Mfr. Part No. APS6404L-3SQN-ZR Mouser Part No 878-APS6404L-3SQN-ZR	AP Memory	DRAM 64Mb QSPI PSRAM Sync Serial x1/x4 SDR Learn More about AP Memory uson8 qspi psram sdrs	Datasheet	10,406In Stock	Cut Tape HK$21.37 HK$19.97 HK$19.40 HK$18.91 View Reel HK$16.60 HK$18.50 HK$17.92 HK$17.67 HK$17.18 HK$16.60 HK$16.60	Min.: 1 Mult.: 1 : 10,000	PSRAM (Pseudo SRAM)	64 Mbit	4 bit / 1 bit	133 MHz	USON-8	8 M x 8	2.7 V	3.6 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape
DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 144/84MHz, RBX, 1.8V, Ind. Temp., SOP8 APS1604M-SQR-SN AP Memory Restricted Availability	Mfr. Part No. APS1604M-SQR-SN Mouser Part No 878-APS1604M-SQR-SN	AP Memory	DRAM IoT RAM 16Mb QSPI (x1,x4) SDR 144/84MHz, RBX, 1.8V, Ind. Temp., SOP8 Learn More about AP Memory uson8 qspi psram sdrs Mouser does not sell this product in your region.	Datasheet			Restricted Availability	PSRAM (Pseudo SRAM)	16 Mbit	4 bit / 1 bit	84 MHz/144 MHz	SOP-8	2 M x 8	1.62 V	1.98 V	- 40 C	+ 85 C	IoT RAM	Reel, Cut Tape, MouseReel
DRAM IoT RAM 16Mb QSPI (x4) SDR 144/84MHz, QCC51xx SoC, 1.8V, Ind. Temp., SOP8 APS1604M-SQQ-SN AP Memory Restricted Availability	Mfr. Part No. APS1604M-SQQ-SN Mouser Part No 878-APS1604M-SQQ-SN	AP Memory	DRAM IoT RAM 16Mb QSPI (x4) SDR 144/84MHz, QCC51xx SoC, 1.8V, Ind. Temp., SOP8 Learn More about AP Memory uson8 qspi psram sdrs Mouser does not sell this product in your region.	Datasheet			Restricted Availability	PSRAM (Pseudo SRAM)	16 Mbit	4 bit	84 MHz/144 MHz	SOP-8	2 M x 8	1.62 V	1.98 V	- 40 C	+ 85 C	IoT RAM	Reel

Quad SPI (QSPI) PSRAM SDRs in USON8 Package

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Quad SPI (QSPI) PSRAM SDRs in USON8 Package

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