engineering sample samples qualification cpu processor prozessor information mhz pictures core frequency chip packaging info ic x86 museum collection amd cyrix harris ibm idt iit intel motorola nec sgs sgs-thomson siemens ST signetics mhs ti texas instruments ulsi hp umc weitek zilog 4004 4040 8008 808x 8085 8088 8086 80188 80186 80286 286 80386 386 i386 Am386 386sx 386dx 486 i486 586 486sx 486dx overdrive 80187 80287 387 487 pentium 586 5x86 386dlc 386slc 486dx2 mmx ppro pentium-pro pro athlon duron z80 sparc alpha dec dirk oppelt
home
1982: NEC
  week 34, 1982: NEC D8085AC
  week 40, 1982: NEC D780C
  week 40, 1982: NEC D780C-1
  week 46, 1982: NEC D8085A
» NEC overview
» all chips made in 1982
 
NEC D8085AC
NEC D8085AC Top Side
NEC
JAPAN
8234HX
D8085AC
NEC D8085AC Back Side
add comment
Core Frequency:3 MHz
Board Frequency:3 MHz
Data bus (ext.):8 Bit
Address bus:16 Bit
Transistors:6,000
Circuit Size:6.00 µ
Voltage:5 V
Introduced:1978
Manufactured:week 34/1982
Made in:Japan
Package Type:Plastic
DIP-40
top of page
NEC D780C
NEC D780C Top Side
NEC
JAPAN
8240PX
D780C
NEC D780C Back Side
add comment
Core Frequency:2.5 MHz
Board Frequency:2.5 MHz
Data bus (ext.):8 Bit
Address bus:16 Bit
Manufactured:week 40/1982
Made in:Japan
Package Type:Plastic
DIP-40
top of page
NEC D780C-1
NEC D780C-1 Top Side
NEC
JAPAN
8240X5
D780C -1
NEC D780C-1 Back Side
This is a Z80 compatible CPU and is built in my Sinclair ZX-81 computer from 1982.
 
Comment by Andrew (Lazerguy9000[at]aol.com):
This cpu is built into the daughter board of my former Omega Race arcade machine.
 
add comment
Core Frequency:4 MHz
Board Frequency:4 MHz
Data bus (ext.):8 Bit
Address bus:16 Bit
Manufactured:week 40/1982
Made in:Japan
Package Type:Plastic
DIP-40
top of page
NEC D8085A
NEC D8085A Top Side
NEC JAPAN
D8085A
8246H9
NEC D8085A Back Side
add comment
Core Frequency:3 MHz
Board Frequency:3 MHz
Data bus (ext.):8 Bit
Address bus:16 Bit
Transistors:6,500
Circuit Size:3.00 µ
Voltage:5 V
Introduced:1978
Manufactured:week 46/1982
Made in:Japan
Package Type:Ceramic
DIP-40
top of page