# Zilog Z80 Microprocessor
Name Z80
Introduced 1976
Data Width 8-bit
Address Width 16-bit
Binary Comp. 8080A
Endianness Little
Registers 208 bits (18 × 8-bit + 4 × 16-bit) - Static RAM
Package 40-pin DIP
Instruction Count 158
## Docs - [z80.info: User Manual](http://z80.info/zip/z80cpu_um.pdf) ## Addressing Modes - Immediate - Immediate Extended - Modified Page Zero - Relative - Extended - Indexed Addressing - Register - Implied - Register Indirect - Bit ## Notable Usage (includes variants) - Home Computers - TI Calculators - Musical Equipment