83C51FB

The 83C51FB is designed as one kind of 16-bit high-integration embedded processors, 83C51FB has soem features and can be summarized as:(1)low power,fully static versions of 80C186/80C188;(2)the operation modes:-enhanced mode:1.DRAM refresh control unit,2.power-save mode,3.direct interface to 80C187(80C186XL only);-compatible mode:NMOS 80186/80188 pin-for-pin replacement for non-numberics applications;(3)integrated feature set:static,modular CPU;clock generator;2 independent DMA channels;programmable interrupt controller;3 programmable 16-bit timers;dynamic RAM refresh control unit; programmable memory and peripheral chip select logic;programmable wait state generator;local bus controller;power-save mode;system-level testing support(high impedance test mode);(4)completely object code compatible with existing 8086/8088 software and has 10 additional instructions over 8086/8088;(5)speed version available-20 MHz and -12 MHz;(6)direct addressing capability to 1 Mbyte memory and 64 kbyte I/O;(7)complete system development support:-ASM 86 assembler,PL/M-86,IC-86 and system utilities,-in-circuit-emulator;(8)available in 68-pin:-plastic leaded chip carrier(PLCC),-ceramic pin grid array(PGA),-ceramic leadless chip carrier(JEDEC a package);(9)available in 80-pin:-quad flat pack(EIAJ),-shrink quad flat pack(SGFP) and (10)available in extended temperature range(-40 to +85).

The absolute maximum ratings of 83C51FB are:(1)ambient temperature under bias:0 to +70;(2)storage temperature:-65 to +150;(3)voltage on any pin with respect to ground:-0.5 V to +6.5 V;(4)package power dissipation:1.5 W.