Datasheet

ST72334J/N, ST72314J/N, ST72124J
114/153
SUPPLY CURRENT CHARACTERISTICS (Cont’d)
16.4.2 WAIT and SLOW WAIT Modes
Figure 65. Typical I
DD
in WAIT vs. f
CPU
Figure 66. Typical I
DD
in SLOW-WAIT vs. f
CPU
Notes:
1. Typical data are based on T
A
=25°C, V
DD
=5V (4.5V≤V
DD
≤5.5V range) and V
DD
=3.4V (3.2V≤V
DD
≤3.6V range).
2. Data based on characterization results, tested in production at V
DD
max. and f
CPU
max.
3. All I/O pins in input mode with a static value at V
DD
or V
SS
(no load), all peripherals in reset state; clock input (OSC1)
driven by external square wave, CSS and LVD disabled.
4. SLOW-WAIT mode selected with f
CPU
based on f
OSC
divided by 32. All I/O pins in input mode with a static value at
V
DD
or V
SS
(no load), all peripherals in reset state; clock input (OSC1) driven by external square wave, CSS and LVD
disabled.
Symbol Parameter Conditions Typ
1)
Max
2)
Unit
I
DD
Supply current in WAIT mode
3)
(see Figure 65)
4.5V≤V
DD
≤5.5V
f
OSC
=2MHz, f
CPU
=1MHz
f
OSC
=4MHz, f
CPU
=2MHz
f
OSC
=8MHz, f
CPU
=4MHz
f
OSC
=16MHz, f
CPU
=8MHz
0.35
0.7
1.3
2.5
0.6
1.2
2.1
4.0
mA
Supply current in SLOW WAIT mode
4)
(see Figure 66)
f
OSC
=2MHz, f
CPU
=62.5kHz
f
OSC
=4MHz, f
CPU
=125kHz
f
OSC
=8MHz, f
CPU
=250kHz
f
OSC
=16MHz, f
CPU
=500kHz
0.05
0.1
0.2
0.5
0.1
0.2
0.4
1.0
Supply current in WAIT mode
3)
(see Figure 65)
3.2V≤V
DD
≤3.6V
f
OSC
=2MHz, f
CPU
=1MHz
f
OSC
=4MHz, f
CPU
=2MHz
f
OSC
=8MHz, f
CPU
=4MHz
f
OSC
=16MHz, f
CPU
=8MHz
45
150
300
500
100
300
600
1000
µA
Supply current in SLOW WAIT mode
4)
(see Figure 66)
f
OSC
=2MHz, f
CPU
=62.5kHz
f
OSC
=4MHz, f
CPU
=125kHz
f
OSC
=8MHz, f
CPU
=250kHz
f
OSC
=16MHz, f
CPU
=500kHz
6
40
80
120
20
100
160
250
3.2 3.5 4 4.5 5 5.5
VDD [V]
0
0.5
1
1.5
2
2.5
3
IDD [mA]
8MHz
4MHz
2MHz
1MHz
3.2 3.5 4 4.5 5 5.5
VDD [V]
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
IDD [mA]
500kHz
250kHz
125kHz
62.5kHz