W78C33

The W78C33 microcontroller supplies a wider frequency range and supply voltages than most 8-bit microcontrollers on the market. It is functional compatible with the industry standard 80C32 microcontroller series. Besides, it is available in 44 PLCC package.

Here are some features about W78C33: (1)8-bit CMOS microcontroller; (2)fully static design; (3)DC-40 MHz operation; (4)256 bytes of on-chip scratchpad RAM; (5)low standby current at full supply voltage; (6)one full duplex serial port; (7)built-in power management; (8)Boolean processor.

What comes next is about W78C33 absolute maximum ratings: (1)DC power supply: -0.3 V to 7.0 V; (2)input voltage: VSS-0.3 V to VCC+0.3 V; (3)operating temperature: 0 to 70 ; (4)storage temperature: -55 to 150 . Then is about DC characteristics(Ta=25 , Fosc=20 MHZ): (1)operating voltage: 4.5 V to 5.5 V; (2)operating current: 30 mA max; (3)idle current(VDD=5.5 V): 6 mA max; (4)power down current(VDD=5.5 V): 50 A max; (5)input current RST: 300 A max and -10 A min; (6)input leakage current: -10 A to 10 A; (7)input low voltage RST(VDD=4.5 V): 0 V to 0.8 V.