455A Datasheet, PDF (144/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

455A Group
Table 34 Electrical characteristics 2 (Ta = –20 °C to 85 °C, VDD = 1.8 to 5.5 V, unless otherwise noted)
Symbol
Parameter
Test conditions
Limits
Unit
Min. Typ. Max.
IDD
Supply current at active mode
VDD = 5V
f(STCK) = f(XIN)/8
(with a ceramic oscillator)
(1, 2)
f(XIN) = 6MHz
f(HSOCO) = stop
f(XCIN) = stop
f(LSOCO) = stop
f(STCK) = f(XIN)/4
f(STCK) = f(XIN)/2
f(STCK) = f(XIN)
1.2 2.4 mA
1.3 2.6
1.6 3.2
2.2 4.4
VDD = 5V
f(XIN) = 4MHz
f(HSOCO) = stop
f(XCIN) = stop
f(LSOCO) = stop
f(STCK) = f(XIN)/8
f(STCK) = f(XIN)/4
f(STCK) = f(XIN)/2
f(STCK) = f(XIN)
0.9 1.8 mA
1
2
1.2 2.4
1.6 3.2
VDD = 3V
f(XIN) = 4MHz
f(HSOCO) = stop
f(XCIN) = stop
f(LSOCO) = stop
f(STCK) = f(XIN)/8
f(STCK) = f(XIN)/4
f(STCK) = f(XIN)/2
f(STCK) = f(XIN)
0.3 0.6 mA
0.4 0.8
0.5 1
0.7 1.4
at active mode
(with a quartz-crystal
oscillator)^{(1, 2)}
VDD = 5V
f(XIN) = stop
f(HSOCO) = stop
f(XCIN) = 32 kHz
f(LSOCO) = stop
f(STCK) = f(XCIN)/8
f(STCK) = f(XCIN)/4
f(STCK) = f(XCIN)/2
f(STCK) = f(XCIN)
7 14 µA
8 16
10 20
14 28
VDD = 3V
f(XIN) = stop
f(HSOCO) = stop
f(XCIN) = 32 kHz
f(LSOCO) = stop
f(STCK) = f(XCIN)/8
f(STCK) = f(XCIN)/4
f(STCK) = f(XCIN)/2
f(STCK) = f(XCIN)
5 10 µA
6 12
7 14
8 16
at active mode
(with a high-speed
on-chip oscillator
f(HSOCO))^{(1, 2)}
VDD = 5V
f(STCK) = f(HSOCO)/8
f(XIN) = stop
f(STCK) = f(HSOCO)/4
f(HSOCO) = active _{f(STCK) = f(HSOCO)/2}
f(XCIN) = stop
f(LSOCO) = stop ^{f(STCK) = f(HSOCO)}
50 100 µA
70 140
110 220
190 380
VDD = 3V
f(STCK) = f(HSOCO)/8
f(XIN) = stop
f(STCK) = f(HSOCO)/4
f(HSOCO) = active _{f(STCK) = f(HSOCO)/2}
f(XCIN) = stop
f(LSOCO) = stop ^{f(STCK) = f(HSOCO)}
12 24 µA
18 36
30 60
54 108
at active mode
(with a low-speed on-chip
oscillator f(LSOCO))^{(1, 2)}
VDD = 5V
f(XIN) = stop
f(HSOCO) = stop
f(XCIN) = stop
f(LSOCO) = active
f(STCK) = f(LSOCO)/8
f(STCK) = f(LSOCO)/4
f(STCK) = f(LSOCO/2
f(STCK) = f(LSOCO)
10 20 µA
12 24
16 32
24 48
VDD = 3V
f(XIN) = stop
f(HSOCO) = stop
f(XCIN) = stop
f(LSOCO) = active
f(STCK) = f(LSOCO)/8
f(STCK) = f(LSOCO)/4
f(STCK) = f(LSOCO)/2
f(STCK) = f(LSOCO)
3
6 µA
4
8
5 10
7 14
at clock operation mode
(POF instruction
execution)
(1, 2)
f(XCIN) = 32 kHz
f(LSOCO) = active
VDD = 5V
VDD = 3V
VDD = 5V
VDD = 3V
6 12 µA
5 10
20 40
5 10
at RAM back-up mode
(POF2 instruction
execution)⁽¹⁾
Ta = 25°C
VDD = 5V
VDD = 3V
0.1 3 µA
10
6
Note 1. The voltage drop detection circuit operation current (IRST) is added.
Note 2. When the internal dividing resistors for LCD power are used, the current values according to using resistor values are added.
Rev.1.01 Feb 15, 2008 Page 144 of 146
REJ03B0224-0101