C67401AJ 15 MHz, 256-bit, FIFO cascadable memory by MMI (Now AMD) Format: 64 x 4-/bit package: 16-pin CERDIP Download AMD C67401AJ .PDF datasheet: Status: NOS (New Old Stock) ****Note : this is the 15 MHz version - see related products tab above for 10MHz option **** RoHS compliant: no