Integrated Circuit Chips: Difference between revisions
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== Clock == | == Clock == | ||
* [[Chip - Crystal Oscillator|Crystal Oscillator]] | * [[Chip - Crystal Oscillator|Crystal Oscillator]] | ||
== Reset == | |||
* [[Chip - Reset Manager|Reset Manager]] | |||
Revision as of 20:31, 22 January 2024
There are several different types of chips used in NerdConsole.
Processor
RAM
System RAM in NerdConsole should operate at 55ns or faster.
ROM
Cartridge ROM in NerdConsole should operate at 150ns or faster.
- AT28C64 8KB ROM
- AT28C256 32KB ROM
- W27C512 64KB ROM
- SST39SF010 128KB ROM
- SST39SF020 256KB ROM
- SST39SF040 512KB ROM
Audio
Logic
- 74HCT00 4x 2-Input NAND
- 74HCT08 4x 2-Input AND
- 74HCT14 6x Inverter
- 74HCT30 1x 8-Input NAND
- 74HCT32 4x 2-Input OR
- 74HCT139 2x 2 to 4 Line Decoder
- 74HCT238 1x 3 to 8 Line Decoder
- 74HCT240 8x Inverting Buffer
- 74HCT273 8x D-Type Flip-Flops
