SRAM Chip Sync Single 3.3V 4.5M-Bit 128K x 36 7.5ns 119-Pin BGA T/R
IDT 71V3557S85BGI8 3.3V 128K x 36 Parallel RAM BGA
IC SRAM 4.5MBIT 7.5NS 119BGA
IDT 71V3557S75BGI 100MHz 17b Parallel RAM