550 MHz DDR II+ SRAM — what the clock rate buys you
The Infineon CY7C1668KV18-550BZXC is a 144Mbit synchronous SRAM using DDR II+ architecture, organized 8M x 18, clocked at 550 MHz over a parallel interface.
Temperature grade and environment
Rated for 0°C to 70°C ambient, this part is specified for indoor, temperature-controlled equipment — server racks, base station controllers, test instrumentation — not for an unventilated cabinet on a factory floor or an outdoor enclosure.
Package and mounting constraints
The 165-ball FBGA (15x17 mm body) is a fine-pitch BGA. Surface-mount reflow with controlled profile is expected; no socket option exists for this package. The ball map is specific to the 18-bit-wide DDR II+ interface — verify the layout against your PCB footprint before committing the board spin.