Table:
text: Atmel AVR
Development tools and evaluation kits
STK200 starter kit
Chip Flash_size EEPROM SRAM Frequency_MHz_ Package_
AT90S1200 1k 64 0 12 PDIP-20
AT90S2313 2k 128 128 10 PDIP-20
AT90S/LS2323 2k 128 128 10 PDIP-8
AT90S/LS2343 2k 128 128 10 PDIP-8
AT90S4414 4k 256 256 8 PDIP-40
AT90S/LS4434 4k 256 256 8 PDIP-40
AT90S8515 8k 512 512 8 PDIP-40
AT90S/LS8535 8k 512 512 8 PDIP-40

text: Atmel AVR
Development tools and evaluation kits
STK200 starter kit
Chip Flash_size EEPROM SRAM Frequency_MHz_ Package_
AT90S1200 1k 64 0 12 PDIP-20
AT90S2313 2k 128 128 10 PDIP-20
AT90S/LS2323 2k 128 128 10 PDIP-8
AT90S/LS2343 2k 128 128 10 PDIP-8
AT90S4414 4k 256 256 8 PDIP-40
AT90S/LS4434 4k 256 256 8 PDIP-40
AT90S8515 8k 512 512 8 PDIP-40
AT90S/LS8535 8k 512 512 8 PDIP-40

Question: Which two chips under Atmel AVR have the largest flash size?