Description
Unit Input Capacitance fc = 1MHz I/O Capacitance Unmeasured pins returned to GND TEST LOAD CIRCUIT (FOR DATA BUS) - VEXT is set at various voltages during testing to guarantee the specification. OPERATING RANGE Part Number Am8255ACC/PC Am9555ADM O°C to +70°C -55°C to +125°C DC CHARACTERISTICS Over Operating Range Parameter Description Test Conditions VIL VIH VodDB) Input Low Voltage Input High Voltage Output Low Voltage (Data Bus) 10L = 2.5mA VodPER) VOH(DB) Output Low Voltage (Peripheral Port) Output High Voltage (Data Bus) 10L = 1.7mA 10H = -400JLA VOH(PER) Output High Voltage (Peripheral Port) 10H = -200JLA IOAR (Note 1) IcC Darlington Drive Current Power Supply Current REXT = 750!l; VEXT = 1.5V IlL Input Load Current VIN = Vee to OV 10FL Output Float Leakage Note 1: Available on any 8 pins from Port Band C.
