Technical Specification
 

new C4001 in original carrier Introduction date: Technology: Category: Memory: History:   1971 P-channel silicon gate MOS technology 2048 Bit Read Only Memory 256 x 8-bit The 4001 was designed to be used with other MCS-4/40 devices such as the 4004 CPU

C4001	C4001	C4001
Grey Traces, NDC	Malaysia, 7528	USA, 7819

C4001	C4001	C4001
Mexico, 7409	Malaysia, 7817	Malaysia, 7816

P4001	P4001	P4001
Malaysia, 7605	Malaysia, 7640	new in carrier, Mexico embossed "i"