The Infineon CY7C1270V18-375BZC is a 36 Mbit DDR II synchronous SRAM organized as 1M x 36, clocked at 375 MHz over a parallel interface. It is a double-data-rate device — data transfers on both clock edges — designed for high-throughput buffer and cache applications in networking switches, telecom line cards, and test equipment where the bus must sustain back-to-back reads and writes without dead cycles. The 1.7 V to 1.9 V core supply and 165-LBGA (15x17 mm FBGA) footprint place it on a tightly regulated rail in a commercial-temperature (0°C to 70°C) indoor environment.
At 375 MHz, the DDR II interface transfers data on both clock edges.
Obsolete — sourcing and lifecycle reality
The CY7C1270V18-375BZC is marked obsolete by Infineon.
Package and temperature grade — design constraints
The 165-ball LBGA (15x17 mm FBGA) is a surface-mount-only package.