NEC D7811HCW  
   
Frequency, MHz 12
Technology NMOS
Package 64-pin PDIP
Architecture:  
Data bus, bit  8
Memory address range, KB  up to 60
On-chip peripherals Two 8-bit timers;
8-channel, 8-bit A/D converter;
Full duplex USART;
On-chip clock generator
On-chip ROM, bytes 4Kx8
On-chip RAM, bytes 256
Electrical and thermal parameters:  
Vcc, Volts  5
Note:  
8085A bus-compatible