MITSUBISHI MICROCOMPUTERS
3822 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 15 Absolute maximum ratings (Standard, One Time PROM version)
Symbol
Parameter
Power source voltage
Conditions
Ratings
Unit
V
VCC
–0.3 to 7.0
All voltages are based on VSS.
Output transistors are cut off.
VI
Input voltage P00–P07, P10–P17, P20–P27,
P34–P37, P40–P47, P50–P57
P60–P67, P70, P71
–0.3 to VCC +0.3
V
V
V
V
V
V
V
V
Input voltage VL1
–0.3 to VL2
VL1 to VL3
VI
VI
VI
VI
VO
Input voltage VL2
Input voltage VL3
VL2 to VCC +0.3
–0.3 to VCC +0.3
–0.3 to VCC +0.3
–0.3 to VL3+0.3
–0.3 to VL3+0.3
Input voltage RESET, XIN
Output voltage P00–P07, P10–P17
At output port
At segment output
At segment output
VO
VO
Output voltage P34–P37
Output voltage P20–P27, P41–P47,P50–P57,
P60–P67, P70, P71
–0.3 to VCC +0.3
V
Output voltage SEG0–SEG11
Output voltage XOUT
Power dissipation
VO
–0.3 to VL3+0.3
–0.3 to VCC +0.3
300
V
V
VO
Pd
mW
°C
°C
Ta = 25°C
Operating temperature
Storage temperature
Topr
Tstg
–20 to 85
–40 to 125
Table 16 Recommended operating conditions (Standard, One Time PROM version)
(VCC = 2.5 to 5.5 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Symbol
Parameter
Unit
V
Min.
Typ.
5.0
5.0
5.0
0
Max.
High-speed mode f(XIN) = 8 MHz
Middle-speed mode f(XIN) = 8 MHz
Low-speed mode
4.0
2.5
2.5
5.5
5.5
5.5
VCC
Power source voltage
Power source voltage
VSS
VREF
AVSS
VIA
V
V
V
V
V
A-D conversion reference voltage
Analog power source voltage
Analog input voltage AN0–AN7
2.0
VCC
0
AVSS
VCC
VCC
“H” input voltage
P00–P07, P10–P17,P34–P37, P40, P41, P45, P47, P52, P53,
P56,P60–P67,P70,P71 (CM4= 0)
VIH
0.7VCC
“H” input voltage
“H” input voltage
“H” input voltage
“L” input voltage
P20–P27, P42–P44,P46,P50, P51, P54, P55, P57
VIH
VIH
VIH
VIL
0.8VCC
0.8VCC
0.8VCC
0
VCC
VCC
V
V
V
V
RESET
XIN
VCC
P00–P07, P10–P17,P34–P37, P40, P41, P45, P47, P52, P53,
P56,P60–P67,P70,P71 (CM4= 0)
0.3 VCC
“L” input voltage
“L” input voltage
“L” input voltage
P20–P27, P42–P44,P46,P50, P51, P54, P55, P57
VIL
VIL
VIL
0
0
0
0.2 VCC
0.2 VCC
0.2 VCC
V
V
V
RESET
XIN
48
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