72Mbit synchronous SRAM — 6.5 ns access at 133 MHz
The Infineon CY7C1481BV33-133BZXC is a 72Mbit synchronous SRAM organized as 2M x 36, clocked at 133 MHz with a 6.5 ns access time. This is a parallel-interface, volatile memory — the 36-bit-wide data bus suits systems that need high-throughput read/write cycles without serialization overhead, such as network buffers, cache tag stores, or FPGA local memory.
This part is marked Obsolete by the manufacturer.
Supply and temperature grade
The commercial temperature range of 0°C to 70°C covers indoor equipment, telecom central office, and enterprise storage; it does not extend to industrial or automotive ambient extremes. Housed in a 165-ball FBGA (15x17 mm) package. The 1.0 mm ball pitch demands controlled-impedance PCB routing for the 36-bit data bus at 133 MHz — signal integrity considerations include matched trace lengths and adequate decoupling near the BGA footprint.