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