Intel 3000 Series
Intel D3002, CPU of the 3000 series
Developer	Intel
Manufacturer	Intel
Production	1974-1976
Release date	1974
Architecture	2-bit bit-slice
Word size	variable "variable" is not a number.
Process	10 μm 10,000 nm 0.01 mm
Technology	Schottky TTL
Clock	8.33 MHz-16.67 MHz
Package	DIP28, DIP40

The Intel 3000 series is a family of 2-bit bit-slice microprocessor components developed by Intel and introduced in early 1974. The series was made using used bipolar Schottky transistors.

2nd source

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

Design

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Family members

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

Systems

• Decisions Data System/4, 3000 series used for the coprocessor
• The Signetics' 8080 Emulator was constructed using the 3000 series

Documents

• 1975 Intel Data Catalog, 3000 Series starts on page 6-53