M1-6616 is a CMOS static RAM (SRAM) chip. It is a 2048 x 8-bit, or 16K-bit, memory chip. Gold pin.

Specifications

​Part Number: M1-6616-9

​Function: The M1-6616 is a CMOS static RAM (SRAM) chip. It is a 2048 x 8-bit, or 16K-bit, memory chip. The "M1" prefix and the specific package type suggest it was designed for military, aerospace, or other high-reliability applications.

​Technology: CMOS (Complementary Metal-Oxide-Semiconductor). This technology is known for its low power consumption, which was a key feature for battery-powered or portable devices.

​Access Time: The "-9" suffix in the part number typically indicates the access time, in this case, 90 nanoseconds (ns). Access time is a crucial metric for memory, as it dictates how quickly data can be read from or written to the chip.

​Package: The components are housed in what appears to be a hermetically sealed ceramic package, with a gold-plated lid. This type of packaging is used to protect the sensitive silicon die from environmental factors, ensuring reliability in harsh conditions.

​Date Code: The "A8614" marking is a date code. "86" likely stands for 1986, and "14" for the 14th week of that year. This confirms that these are vintage, obsolete components.