
APPENDIX
3.1 Electrical characteristics
7540 Group User’s Manual
3-6
Table 3.1.5
Electrical characteristics (2)
(V
CC
= 2.2 to 5.5 V, V
SS
= 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Min.
Typ.
5.0
Max.
8.0
Symbol
Parameter
Limits
Unit
Test conditions
Power source
current
1.5
10.0
5.0
1000
3.2
450
1.0
10
6.5
1.2
8.0
5.0
900
3.2
450
1.0
10
mA
mA
mA
mA
μ
A
mA
mA
μ
A
mA
μ
A
μ
A
mA
mA
mA
mA
μ
A
mA
mA
μ
A
mA
μ
A
μ
A
I
CC
0.5
6.0
2.0
350
1.6
0.2
150
0.5
0.1
3.5
0.4
4.5
2.0
300
1.6
0.2
150
0.5
0.1
High-speed mode, f(X
IN
) = 8 MHz
Output transistors “off”
High-speed mode, f(X
IN
) = 2 MHz, V
CC
= 2.2 V
Output transistors “off”
Double-speed mode, f(X
IN
) = 6 MHz
Output transistors “off”
Middle-speed mode, f(X
IN
) = 8 MHz
Output transistors “off”
Ring oscillator operation mode, V
CC
= 5 V
Output transistors “off”
f(X
IN
) = 8 MHz (in WIT state),
functions except timer 1 disabled,
Output transistors “off”
f(X
IN
) = 2 MHz, V
CC
= 2.2 V (in WIT state),
functions except timer 1 disabled,
Output transistors “off”
Ring oscillator operation mode, V
CC
= 5V
Output transistors “off”
Increment when A-D conversion is executed
f(X
IN
) = 8 MHz, V
CC
= 5 V
All oscillation stopped
(in STP state)
Output transistors “off”
High-speed mode, f(X
IN
) = 8 MHz
Output transistors “off”
High-speed mode, f(X
IN
) = 2 MHz, V
CC
= 2.2 V
Output transistors “off”
Double-speed mode, f(X
IN
) = 6 MHz
Output transistors “off”
Middle-speed mode, f(X
IN
) = 8 MHz
Output transistors “off”
Ring oscillator operation mode, V
CC
= 5 V
Output transistors “off”
f(X
IN
) = 8 MHz (in WIT state),
functions except timer 1 disabled,
Output transistors “off”
f(X
IN
) = 2 MHz, V
CC
= 2.2 V (in WIT state),
functions except timer 1 disabled,
Output transistors “off”
Ring oscillator operation mode, V
CC
= 5V
Output transistors “off”
Increment when A-D conversion is executed
f(X
IN
) = 8 MHz, V
CC
= 5 V
All oscillation stopped
(in STP state)
Output transistors “off”
One Time PROM
version
Mask ROM version
Ta = 25 °C
Ta = 85 °C
Ta = 25 °C
Ta = 85 °C