Overview
The AT28HC256E-90TC is an EEPROM made by Microchip Technology in a TSOP-28 package with 5 pins.
PCBKit's library has its footprint (EasyEDA_Cloud:TSOP-28_L11.8-W8.0-P0.55-LS13.4-TL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C19749800).
Symbol
The library has no symbol for this part yet.
Footprint
Parts like it
8
AT28BV256-20TU
TSOP-28-8.0mm-40℃~+85℃ 10ms 2.7V~3.6V 256Kbit Parallel Port (Parallel) TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROMAT28BV64B-20TU-T
TSOP-28-40℃~+85℃ 10ms 2.7V~3.6V 64Kbit Parallel Port (Parallel) TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROMAT28C256-15TU
TSOP-28-8.0mm-40℃~+85℃ 10ms 256Kbit 4.5V~5.5V Parallel Port (Parallel) TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROMAT28C256-15TU-T
TSOP-28-40℃~+85℃ 10ms 256Kbit 4.5V~5.5V Parallel Port (Parallel) TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROMAT28C256E-15TU
TSOP-28-8.0mmHardware write protection function、Software write protection function TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROMAT28C256E-15TU-T
TSOP-28-8.0mm-40℃~+85℃ 10 Years 100,000 cycles 10ms 256Kbit 4.5V~5.5V Hardware write protection function、Software write protection function Parallel Port (Parallel) TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROMAT28C256F-15TU
TSOP-28-8.0mmHardware write protection function、Software write protection function、Built-in error correction code (ECC) function TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROMAT28C256F-15TU-T
TSOP-28-40℃~+85℃ 256Kbit 3ms 4.5V~5.5V Parallel Port (Parallel) TSOP-28-8.0mm EEPROM ROHSMicrochip TechnologyEEPROM
Questions
Is there a KiCad symbol and footprint for the AT28HC256E-90TC?
Yes. the footprint EasyEDA_Cloud:TSOP-28_L11.8-W8.0-P0.55-LS13.4-TL, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the AT28HC256E-90TC?
TSOP-28, with 5 pins. Its footprint is drawn on this page.
Where can I order the AT28HC256E-90TC?
JLCPCB lists it as part C19749800, with 0 in stock; the sellers' links on this page open their listings.
What can replace the AT28HC256E-90TC?
Parts like it in the library: the AT28BV256-20TU by Microchip Technology, the AT28BV64B-20TU-T by Microchip Technology, the AT28C256-15TU by Microchip Technology and the AT28C256-15TU-T by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.