What this SRAM is and where it fits
The Cypress CY62148DV30LL-70BVXI is a 4Mbit MoBL® asynchronous SRAM organized as 512K x 8 bits. It runs on a 2.2 V supply and delivers a 70 ns access time over the industrial temperature range of -40°C to 85°C. The parallel interface and 48-ball VFBGA suit it for cache buffers, working memory, and data-logging storage in embedded controllers, telecom line cards, and industrial automation modules where low power and a small footprint matter.
70 ns access time — timing margin for the bus
The 70 ns access time sets the window the host controller has to read or write data after asserting the address.
2.2 V supply — low-voltage system fit
The 2.2 V supply rail places this SRAM in the low-voltage family.
Industrial temperature range and package
Rated from -40°C to 85°C, the CY62148DV30LL-70BVXI is qualified for factory-floor, outdoor telecom, and engine-bay environments where commercial-grade parts would drift or fail. The 48-ball VFBGA (Very Fine-Pitch Ball Grid Array) saves board area but requires a controlled reflow profile and X-ray inspection for solder-joint verification — not a hand-solder part.
Lifecycle and sourcing reality
Infineon (formerly Cypress) lists this part as Active. No imminent last-time-buy risk is flagged.