If you just need more RAM for a display buffer there are much faster devices than an external EEPROM, like the 23LC512 serial SPI SRAM.
Also, since SHIFTOUT runs at approx 50KHz, you could even...
Type: Posts; User: tumbleweed; Keyword(s):
Re: How you directly access serially chained devices, like LEDS, shift registers, etc
If you just need more RAM for a display buffer there are much faster devices than an external EEPROM, like the 23LC512 serial SPI SRAM.
Also, since SHIFTOUT runs at approx 50KHz, you could even...