https://www.electrodragon.com/product/2pcs-esp-psram64h-chip-64-mbit-serial-pseudo-sram/

Specs

specs info
Clock Frequency 133MHz
Memory Format PSRAM
Memory Interface SPI
Memory Size 64Mb (8M x 8)
Memory Type Volatile
Mounting Type Surface Mount
Operating Temperature -40°C ~ 85°C
Package / Case 8-SOIC (0.154″, 3.90mm Width)
Supplier Device Package 8-SOIC
Technology PSRAM (Pseudo SRAM)
Voltage – Supply 2.7V ~ 3.6V

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