
3-4
38B5 Group User’s Manual
APPENDIX
3.1 Electrical characteristics
Table 3.1.3 Recommended operating conditions (2)
(VCC = 4.0 to 5.5 V, Ta = –20 to 85
°C, unless otherwise noted)
Clock input frequency for timers 2, 4, and X (duty cycle 50 %)
Main clock input oscillation frequency (Note 1)
Sub-clock input oscillation frequency (Notes 1, 2)
Symbol
Parameter
Limits
Unit
f(CNTR0)
f(CNTR1)
f(XIN)
f(XCIN)
kHz
MHz
kHz
250
4.2
50
Max.
Typ.
Min.
32.768
Notes 1: When the oscillation frequency has a duty cycle of 50%.
2: When using the microcomputer in low-speed mode, set the sub-clock input oscillation frequency on condition that f(XCIN) < f(XIN)/3.
3.1.3 Electrical characteristics
Table 3.1.4 Electrical characteristics (1)
(VCC = 4.0 to 5.5 V, Ta = –20 to 85
°C, unless otherwise noted)
Min.
Typ.
Max.
Symbol
Parameter
Limits
Unit
“H” output voltage P00–P07, P10–P17, P20–P27,
P30–P37, P80–P83
“H” output voltage P50–P57, P60–P65, P70–P77,
P84–P87, P90, P91
“L” output voltage P50–P57, P61–P65, P84–P87,
P90, P91
“L” output voltage P40–P46, P60
Hysteresis
P40–P42, P45–P47, P5, P60,
P61, P64 (Note 1)
Hysteresis
RESET, XIN
Hysteresis
XCIN
“H” input current
P47, P50–P57, P61–P65,
P70–P77, P84–P87
“H” input current
P40–P46, P60
“H” input current
P00–P07, P20–P27, P80–P83
“H” input current
RESET, XCIN
“H” input current
XIN
“L” input current
P40–P47, P60
“L” input current
P50–P57, P61–P65, P70–P77,
P84–P87, P90, P91
“L” input current
P00–P07, P20–P27, P80–P83
“L” input current
RESET, XCIN
“L” input current
XIN
Output load current
P00–P07, P10–P17, P30–P37
Output leak current
P00–P07, P10–P17, P20–P27,
P30–P37, P80–P83
“H” read current
P00–P07, P20–P27, P80–P83
VOH
VOL
VT+–VT–
IIH
IIL
ILOAD
ILEAK
IREADH
VRAM
IOH = –18 mA
IOH = –10 mA
IOL = 10 mA
IOL = 15 mA
VI = VCC
VI = 12 V
VI = VCC
VI = VSS
Pull-up “off”
VCC = 5 V, VI = VSS
Pull-up “on”
VCC = 3 V, VI = VSS
Pull-up “on”
VI = VSS
VEE = VCC–43 V,
VOL =VCC
Output transistors “off”
VEE = VCC–43 V,
VOL =VCC–43 V
Output transistors “off”
VI = 5 V
When clock is stopped
Test conditions
VCC–2.0
2.0
5.0
10.0
5.0
–5.0
–140
–45
–5.0
900
–10
5.5
0.6
0.4
0.5
4.0
–70
–25
–4.0
600
1
–30
–6.0
300
2
Notes 1: P42, P45, P46, and P60 of the mask option type P do not have hysteresis characteristics.
2: Except when reading ports P0, P2, or P8.
V
A
V
(Note 2)