CY7C1041D-10ZSXI (Infineon (Cypress)) is a high-speed 4 Mbit (256K × 16) static RAM in a 44-pin TSOP II package.

• Organized as 256K × 16 · 10 ns access time
• 5 V ± 0.5 V supply · 90 mA active at 10 ns
• 10 mA CMOS standby current · 2.0 V data retention
• TTL-compatible inputs and outputs · industrial range −40 °C to 85 °C · Pb-free

Data per Infineon (Cypress) CY7C1041D datasheet.