APS6404L-3SQR QSPI PSRAM SPI/QPI PSRAM Specifications Features Single Supply Voltage 50 Output Drive Strength LVCMOS o VDD=2.7 to 3.6V Linear Burst (continuous) or 32 Bytes Wrapped Interface: SPI/QPI with SDR mode Burst via toggle command. Performance: Clock rate up to Linear Burst is supported up to 84MHz and can o 133MHz for 32 Bytes Wrapped Burst cross page boundary as long as tCEM is met. operation at VDD=3.0V+/-10% Software reset o 109MHz for 32 Bytes Wrapped Burst operation at VDD=3.3V+/-10% o 84MHz for Linear Burst operation Organization: 64Mb, 8M x 8bits Addressable Bit Range: A 22:0 Page Size: 1024 bytes Refresh: Self-managed Operating Temperature Range: o Tc = -40C to +85C (standard range) o Tc = -40C to +105C (extended range) Maximum Standby Current o 350A 105C o 250A 85C o 140A 25C APM SPI 3V PSRAM Datasheet.pdf - Rev. 2.3 Apr 30, 2020 1 of 24 AP Memory reserves the right to change products and/or specifications without notice 2020 AP Memory. All rights reserved APS6404L-3SQR QSPI PSRAM Table of Contents 1 Table of Contents 1 Table of Contents ............................................................................................................. 2 2 Introduction ..................................................................................................................... 4 3 Package Information ........................................................................................................ 4 3.1 Package Types : SOP / USON (SN, ZR) , not to scale, Top view .............................. 4 4 Package Outline Drawing ................................................................................................. 5 4.1 SOP-8L(150), package code SN ............................................................................... 5 4.2 USON-8L 3x2mm, package code ZR ........................................................................ 6 5 Ordering Information ....................................................................................................... 7 6 Signal Table ...................................................................................................................... 8 7 Power-Up Initialization .................................................................................................... 8 8 Interface Description ....................................................................................................... 9 8.1 Address Space ......................................................................................................... 9 8.2 Page Size ................................................................................................................. 9 8.3 Drive Strength ......................................................................................................... 9 8.4 Power-on Status ...................................................................................................... 9 8.5 Command/Address Latching Truth Table ............................................................... 9 8.6 Command Termination ......................................................................................... 10 9 Wrap Boundary Toggle Operation ................................................................................. 11 10 SPI Mode Operations ..................................................................................................... 12 10.1 SPI Read Operations.............................................................................................. 12 10.2 SPI Write Operations............................................................................................. 14 10.3 SPI Quad Mode Enable Operation ........................................................................ 15 10.4 SPI Read ID Operation ........................................................................................... 15 11 QPI Mode Operations .................................................................................................... 16 11.1 QPI Read Operation .............................................................................................. 16 11.2 QPI Write Operation(s) ......................................................................................... 17 11.3 QPI Quad Mode Exit operation ............................................................................. 17 12 Reset Operation ............................................................................................................. 18 APM SPI 3V PSRAM Datasheet.pdf - Rev. 2.3 Apr 30, 2020 2 of 24 AP Memory reserves the right to change products and/or specifications without notice 2020 AP Memory. All rights reserved