The Intel 3000 series is a family of 4-bit bit-slice microprocessor components developed by Intel and introduced in late 1973. The series was made using used bipolar Schottky transistors.

Family Members
Part	Description
3001	Microprogram control unit
3002	CPU
3003	Carry-lookahead adder
3205	1 of 8 binary decoder
3207	Quad Bipolar-to-MDS Level Shifter and Driver
3208	Hex Sense Amplifier for MOS Memories
3210	TTL-to-MOS Level Shifter and High Voltage Clock Driver
3211	ECL-to-MOS Level Shifter and High Voltage Clock Driver
3212	Multimode latch buffer
3214	Priority interrupt unit
3216	Noninverting bidirectional bus driver
3222	Refresh Controller for 4K NMOS DRAMs
3226	Inverting bidirectional bus driver
3232	Address Multiplexer and Refresh Counter for 4K DRAMs
3235	Quad Bipolar-to-MOS Level Shifter and Drive
3242	Address Multiplexer and Refresh Counter for 16K DRAMs
3245	Quad Bipolar TTL-to-MOS Level Shifter and Driver for 4K
3246	Quad Bipolar ECL-to-MOS Level Shifter and Driver for 4K
3404	High-performance 6-bit Latch
3408	Hex Sense Amp and Latch for MOS Memories
3601	256x4-bit programable read-only memory
3604	512x8·bit programable read-only memory
3301A	256x4-bit read·only memory
3304A	512x8-bit read-only memory

2nd source

Signetics was the only 2nd source. Later on Czechoslovakian and USSR based clones of the 3000 series were made as well.

Design

This section is empty; you can help add the missing info by editing this page.

This article is still a stub and needs your attention. You can help improve this article by editing this page and adding the missing information.