ISSI
IS46R16320E-6TLA1
DRAM Automotive (-40 to +85C), 512M, 2.5V, DDR1, 32Mx16, 166MHz, 66 pin TSOP-II RoHS
$9.19
IS61WV25616EFBLL-10TLI
SRAM 4Mb,High-Speed/Low Power,Async with ECC,256K x 16,8ns/3.3v +/-10%,or 10ns/2.4v-3.6v,44 Pin TSOP II, RoHS
$3.57