IDT72V3682

3.3 VOLT CMOS SyncBiFIFOTM 16,384 x 36 x 2 32,768 x 36 x 2 65,536 x 36 x 2 IDT72V3682 IDT72V3692 IDT72V36102 FEATURES Memory storage capacity: IDT72V3682 – 16,384 x 36 x 2 IDT72V3692 – 32,768 x 36 x 2 IDT72V36102 – 65,536 x 36 x 2 Supports clock frequencies up to 100MHz Fast access times of 6.5ns Free-running CLKA and CLKB may be asynchronous or coincident (simultaneous reading and writing of data on a single clock edge is permitted) Two independent clocked FIFOs buffering data in opposite directions Mailbox bypass register for each FIFO Programmable Almost-Full and Almost-Empty flags Microprocessor Interface Control Logic FFA/IRA, EFA/ORA, AEA, and AFA flags synchronized by CLKA FFB/IRB, EFB/ORB, AEB, and AFB flags synchronized by CLKB Select IDT Standard timing (using EFA, EFB, FFA and FFB flags functions) or First Word Fall Through timing (using ORA, ORB, IRA and IRB flag functions) Available in space-saving 120-pin Thin Quad Flatpack (TQFP) Pin compatible to the lower density parts, IDT72V3622/72V3632/ 72V3642/72V3652/72V3662/72V3672 Industrial temperature range (–40° C to +85°C) is available FUNCTIONAL BLOCK DIAGRAM MBF1 CLKA CSA W/RA ENA MBA Mail 1 Register Input Register Output Register Port-A Control Logic RST1 FIFO1, Mail1 Reset Logic 36 RAM ARRAY 16,384 x 36 32,768 x 36 65,536 x 36 36 Write Pointer Read Pointer EFB/ORB AEB FFA/IRA AFA FIFO 1 Status Flag Logic FS0 FS1 A0 - A35 16 Programmable Flag Offset Registers FIFO...