The maximum operating frequency of PALC16L8-20DMB is 20 MHz.
Yes, PALC16L8-20DMB is a 5V device and can be used in a 5V system.
The PALC16L8-20DMB can be programmed using a PAL programmer or a universal programmer that supports PAL devices. The programming algorithm and software can be obtained from Cypress Semiconductor or third-party programming vendors.
The power consumption of PALC16L8-20DMB is typically around 100-150 mW at 5V and 20 MHz operating frequency.
PALC16L8-20DMB is a CMOS device, which means it has a lower power consumption and is more immune to noise compared to TTL devices.