It seems like there are a lot of opinions about what SRAMs to use for external expansion for AVRs, though these are usually expressed generically ("the Samsung part," "the Winbond part"). I'm working on my first AVR design with external SRAM and would find specific part #s that people have used successfully very helpful. I imagine others would, too (perhaps this info could be posted somewhere else on AVR Freaks). I'm particularly interested in parts that can run with no wait states with an ATMega at 16 MHz. I'm prototyping with an ATMega8515 but will ultimately build with an ATMega128; my reading of the datasheets suggests they have the same external memory iterface performance specs. I've already discovered that an AHC latch (e.g. 74AHC573) is preferred (in fact, recommended by Atmel). Thanks loads for your help!