8259A Datasheet, PDF (22/24 Pages) Intel Corporation – PROGRAMMABLE INTERRUPT CONTROLLER

8259A
A C TESTING INPUT OUTPUT WAVEFORM
A C TESTING LOAD CIRCUIT
231468 – 25
A C Testing Inputs are driven at 2 4V for a logic ‘‘1’’ and 0 45V
for a logic ‘‘0’’ Timing measurements are made at 2 0V for a logic
‘‘1’’ and 0 8V for a logic ‘‘0’’
WAVEFORMS
WRITE
C_L e 100 pF
C_L Includes Jig Capacitance
231468 – 26
231468 – 27
22