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    MCS-40  - Intel    
                	
														| Intel MCS-40 | |
|   | |
| P4040, the MPU of the chipset. | |
| Developer | Intel | 
| Manufacturer | Intel | 
| Production | 1974 | 
| Architecture | 4-bit word, 8-bit instruction, BCD-oriented | 
| Word size |  4 bit 0.5 octets  
1 nibbles  | 
| Process |  10 μm 10,000 nm  
0.01 mm  | 
| Technology | pMOS | 
| Clock | 500 kHz-740 kHz | 
| Package | DIP24 | 
The MCS-40 (Micro-Computer Set-40) was a family of 4-bit microprocessor chipsets developed by Intel and introduced in 1974. The MCS-40 was an enhancement to the MCS-4. The entire chipset was made of four individual chips.
Members
| Part | Description | 
|---|---|
| 4003 | shift register | 
| 4040 | MPU | 
| 4101 | RAM | 
| 4201 | clock generator | 
| 4207 | General purpose I/O | 
| 4209 | General purpose I/O | 
| 4211 | General purpose I/O | 
| 4265 | Programmable general purpose I/O | 
| 4269 | Programmable keyboard display | 
| 4289 | Memory interface (replacement for 4008/4009) | 
| 4308 | 1024x8 bits ROM (equivalent of 4001) | 
| 4316 | 2048x8 bits ROM | 
| 4702 | 256x8 bits EPROM | 
Design
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See also
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Facts about "MCS-40  - Intel"
| designer | Intel + | 
| full page name | intel/mcs-40 + | 
| instance of | integrated circuit family + | 
| main designer | Intel + | 
| manufacturer | Intel + | 
| name | Intel MCS-40 + | 
| package | DIP24 + | 
| process | 10,000 nm (10 μm, 0.01 mm) + | 
| technology | pMOS + | 
| word size | 4 bit (0.5 octets, 1 nibbles) + |