High-Performance QDR-IV Parallel Interface Memory with 1066 MHz Frequency and On-Die Termination for Commercial Applications The CY7C4142KV13-106FCXC is a 144-Mbit QDR-IV XP SRAM organized as 4M × 36 with dual independent bidirectional DDR data ports (A/B) and an SDR control bus with DDR address signaling. It supports a 2-word burst and up to 1066 MHz clock (2132 MT/s RTR), uses eight internal banks, and integrates on-chip ECC, address parity, bus inversion, and on-die termination. Packaged in 361-ball FCBGA.