PY291A is a 2Kx8 CMOS PROM that uses EPROM technology for programming and requires 12.5V of power to program.
The Pyramid PY291A is a 2K x 8 CMOS PROM utilizing EPROM technology for reprogramming. The device is available in windowed packages that can be erased using UV light and reprogrammed with a 12.5V supply. It features high-speed operation with access times ranging from 20 to 50 nanoseconds and is fully TTL compatible.
| Memory Capacity | 2K x 8 |
|---|---|
| Technology | CMOS EPROM |
| Operating Voltage | 5V +/- 10% |
| Programming Voltage | 12.5V |
| Access Time (Commercial) | 20/25/35/50 ns |
| Operating Temperature (Commercial) | 0°C to +70°C |
| Operating Temperature (Military) | -55°C to +125°C |
| Power Dissipation | 1.0 W |
| Package Options | 24-pin DIP |
The device is erased by exposing the windowed package to UV light with a wavelength below 4000 Angstroms.
The device requires a 12.5V programming supply voltage.
Yes, the device features fully TTL compatible inputs and outputs.