Description
The CDP1823C/3 is a 128 word x 8-bit CMOS/SOS static random access memory. It is compatible with the  CDP1802, CDP1804, CDP1805, and CDP1806 microprocessors, and will interface directly without additional components. The CDP1823C has a recommended operating voltage range of 4V to 6.5V.

FEATUREs
• For Applications in Aerospace, Military, and Critical Industrial Equipment
• Compatible with CDP1800-Series Microprocessors at Maximum Speed
• Interfaces with CDP1800-Series Microprocessors without Additional Components
• Fast Access Time
• At VDD= 5V, +25^oC . . . . . . . . . . . . . . . . . . . . . . . . 275ns
• Single Voltage Supply
• Common Data Inputs and Outputs
• Multiple Chip Select Inputs to Simplify Memory System Expansion
• High Noise Immunity . . . . . . . . . . . . . . . . . . 30% of VDD
• Memory Retention for Standby Battery Voltage Down to 2V at 25^oC