MITSUBISHI MICROCOMPUTERS
3827 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
Table 11 Absolute maximum ratings
Symbol
Parameter
Power source voltage
Conditions
Ratings
Unit
V
VCC
–0.3 to 7.0
VI
Input voltage P00–P07, P10–P17, P20–P27,
P41–P47, P50–P57, P60–P67
–0.3 to VCC +0.3
V
VI
VI
VI
VI
VI
VI
VI
VO
Input voltage P40, P71–P77
Input voltage P70
–0.3 to 7.0
–0.3 to VCC +0.3
–0.3 to VL2
V
V
V
V
V
V
V
V
V
V
Input voltage VL1
All voltages are based on VSS.
Output transistors are cut off.
Input voltage VL2
VL1 to VL3
Input voltage VL3
VL2 to 7.0
Input voltage C1, C2
Input voltage RESET, XIN
Output voltage C1, C2
–0.3 to 7.0
–0.3 to VCC +0.3
–0.3 to 7.0
–0.3 to VCC
–0.3 to VL3
At output port
VO
Output voltage P00–P07, P10–P15, P30–P37
At segment output
Output voltage P16, P17, P20–P27, P41–P47,
P50–P57, P60–P67, P80, P81
–0.3 to VCC +0.3
V
VO
VO
–0.3 to 7.0
–0.3 to 7.0
–0.3 to VL3
–0.3 to VCC +0.3
300
V
V
Output voltage P40, P71–P77
Output voltage VL3
VO
VO
V
Output voltage VL2, SEG0–SEG17
Output voltage XOUT
VO
V
Pd
Ta = 25°C
mW
°C
°C
Power dissipation
Operating temperature
–20 to 85
Topr
Tstg
–40 to 125
Storage temperature
RECOMMENDED OPERATING CONDITIONS
Table 12 Recommended operating conditions (VCC = 2.5 to 5.5 V, Ta = –20 to 85°C, unless otherwise noted)
Limits
Typ.
5.0
5.0
5.0
0
Symbol
Parameter
Unit
V
Min.
4.0
2.2
2.2
Max.
5.5
High-speed mode f(XIN) = 8 MHz
Middle-speed mode f(XIN) = 8 MHz
Low-speed mode
VCC
Power source voltage
Power source voltage
5.5
5.5
VSS
V
V
V
V
VREF
AVSS
VIA
A-D, D-A conversion reference voltage
Analog power source voltage
2.7
VCC+0.3
0
Analog input voltage AN0–AN7
AVSS
VCC
VCC
“H” input voltage
P00–P07, P10–P17, P40, P43, P45, P47, P50–P53,
P56, P61, P64–P67, P71–P77
VIH
VIH
0.7 VCC
V
V
“H” input voltage
P20–P27, P41, P42, P44, P46, P54, P55, P57, P60,
P62, P63, P70
0.8 VCC
VCC
VIH
VIH
“H” input voltage
“H” input voltage
“L” input voltage
RESET
XIN
0.8 VCC
0.8 VCC
VCC
VCC
V
V
P00–P07, P10–P17, P40, P43, P45, P47, P50–P53,
P56, P61, P64–P67, P71–P77
VIL
VIL
V
V
0
0
0.3 VCC
0.2 VCC
“L” input voltage
P20–P27, P41, P42, P44, P46, P54, P55, P57, P60,
P62, P63, P70
VIL
VIL
“L” input voltage
“L” input voltage
0
0
0.2 VCC
0.2 VCC
V
V
RESET
XIN
50
MITSUBISHI [ Mitsubishi Group ]
