1971

Intel

P4004
Ip4004.jpg (22208 bytes)
 
740 KHz
 16 pin PDIP
D4004
Id4004.jpg (16645 bytes)
 
740 KHz 
16 pin CERDIP

 

National Semiconductor

INS4004J
740 KHz
 16 pin CERDIP
INS4004D
 
740 KHz
16 pin side brazed CERDIP
Purple/Gold top/Gold pins