PD17225_15 Datasheet, PDF (68/86 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER

µPD17225, 17226, 17227, 17228
Recommended Operating Ranges (TA = –40 to +85°C, VDD = 2.0 to 3.6 V)
Item
Supply Voltage
Oscillation Frequency
Operating Temperature
Low-Voltage Detector Circuit^Note
(Mask Option)
Symbol
Conditions
MIN.
VDD1 fX = 1 MHz High-speed mode
2.0
(Instruction execution time: 16 µs)
VDD2 fX = 4 MHz Ordinary mode
(Instruction execution time: 4 µs)
VDD3 fX = 8 MHz High-speed mode
(Instruction execution time: 4 µs)
VDD4
High-speed mode
2.2
(Instruction execution time: 2 µs)
fX
1.0
TA
–40
TCY
4
TYP. MAX. Unit
3.6
V
3.6
V
4.0 8.0 MHz
+25 +85 °C
32
µs
Note
Reset if the status of VDD = 1.7 to 2.0 V lasts for 1 ms or longer. Program hang-up does not occur even
if the voltage drops, until the reset function is effected (when the RESET pin and WDOUT pin are
connected). Some oscillators stop oscillating before the reset function is effected.
(MHZ)
10
9
8
7
6
5
4
3
2
fX vs VDD
Operation
guaranteed area
1
0.4
0
2 2.2
3 3.6 4
Supply voltage: VDD (V)
Remark The region indicated by the broken line in the above figure is the guaranteed operating range in the high-
speed mode.
66
Data Sheet U12643EJ2V0DS00