455A Datasheet, PDF (143/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

455A Group
Electrical characteristics
Table 33 Electrical characteristics 1 (Ta = –20 °C to 85 °C, VDD = 1.8 to 5.5 V, unless otherwise noted)
Symbol
Parameter
Test conditions
VOH
“H” level output voltage P0, P1, P2, P3, D0–D5
VDD = 5V
IOH = −10mA
IOH = −3mA
VDD = 3V
IOH = −5mA
IOH = −1mA
VOH
“H” level output voltage C/CNTR
VDD = 5V
IOH = −20mA
IOH = −6mA
VDD = 3V
IOH =−10mA
IOH = −3mA
VOL
“L” level output voltage P0, P1, P2, P3, D0–D7
VDD = 5V
IOL = 15mA
C/CNTR
IOL = 5mA
VDD = 3V
IOL = 9mA
IOL = 3mA
VOL
“L” level output voltage _RESET
VDD = 5V
IOL = 5mA
IOL = 1mA
VDD = 3V
IOL = 2mA
IIH
“H” level input current P0, P1, P2, P3, D0–D7
VI = VDD
RESET, XIN, XCIN, INT
CNTR
IIL
“L” level input current P0, P1, P2, P3, D0–D7
VI = 0V
RESET, XIN, XCIN, INT
P0, P1, P2, P3, D0 to D7
CNTR
No pull-up
RPU
Pull-up resistor value P0, P1, P2, P3, D0 to D7
VI = 0V
RESET
VDD = 5V
VDD = 3V
VT+ −VT− _Hysteresis
RESET
VDD = 5V
VDD = 3V
VT+ −VT− _Hysteresis
INT
VDD = 5V
VDD = 3V
VT+ −VT− Hysteresis
CNTR
VDD = 5V
VDD = 3V
f(HSOCO) High-speed on-chip oscillator clock frequency
VDD = 5V
VDD = 3V
f(LSOCO) Low-speed on-chip oscillator clock frequency
VDD = 5V
VDD = 3V
RCOM
COM output impedance
(Note 1)
VDD = 5V
VDD = 3V
RSEG
SEG output impedance
(Note 1)
VDD = 5V
VDD = 3V
RVLC
Internal resistor for LCD power supply
When dividing resistor 2r × 3 selected
When dividing resistor 2r × 2 selected
When dividing resistor r × 3 selected
When dividing resistor r × 2 selected
Note 1. The impedance state is the resistor value of the output voltage.
at VLC3 level output: VO = 0.8 VLC3
at VLC2 level output: VO = 0.8 VLC2
at VLC1 level output: VO = 0.2 VLC2 + VLC1
at VSS level output: VO = 0.2 VLC1
Limits
Unit
Min. Typ. Max.
3
V
4.1
2.1
2.4
3
V
4.1
2.1
2.4
2V
0.9
1.4
0.9
2V
0.6
0.9
2 µA
−2 µA
30 60 125 kΩ
50 120 250
1
V
0.4
0.6
V
0.3
0.2
V
0.2
400 1000 1600 kHz
200 500 700
40 100 160 kHz
20 50 70
1.5 7.5 kΩ
2 10
1.5 7.5 kΩ
2 10
300 600 1200 kΩ
200 400 800
150 300 600
100 200 400
Rev.1.01 Feb 15, 2008 Page 143 of 146
REJ03B0224-0101