PIC17C44 Datasheet, PDF (203/241 Pages) Microchip Technology – High-Performance 8-Bit CMOS EPROM/ROM Microcontroller

PIC17C4X
Applicable Devices 42 R42 42A 43 R43 44
FIGURE 20-19: VTH, VIL of I/O PINS (SCHMITT TRIGGER) VS. VDD
5.0
VIH, max (-40°C to +85°C)
4.5
VIH, typ (25°C)
4.0
VIH, min (-40°C to +85°C)
3.5
3.0
VIL, max (-40°C to +85°C)
2.5
VIL, typ (25°C)
2.0
VIL, min (-40°C to +85°C)
1.5
1.0
0.5
0.0
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VDD (Volts)
FIGURE 20-20: VTH (INPUT THRESHOLD VOLTAGE) OF OSC1 INPUT
(IN XT AND LF MODES) vs. VDD
3.4
3.2
3.0
Typ (25°C)
Max (-40°C to +85°C)
2.8
2.6
2.4
2.2
2.0
Min (-40°C to +85°C)
1.8
1.6
1.4
1.2
1.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
VDD (Volts)
© 1996 Microchip Technology Inc.
DS30412C-page 203