Datasheet
Electrical characteristics ST7LITE20F2 ST7LITE25F2 ST7LITE29F2
128/170 DocID8349 Rev 7
Note: TA = -40 to +85°C unless otherwise specified, V
DD
=5.5V.
Figure 60. Tipical I
DD
in RUN vs. f
CPU
Table 66. Supply current
Symbol Parameter Conditions Typ Max Unit
I
DD
Supply current in Run mode
External Clock, f
CPU
= 1MHz
(1)
1 −
mA
Internal RC, f
CPU
=1MHz 2.2 −
f
CPU
=8MHz
(1)
7.5 12
Supply current in WAIT mode
External Clock, f
CPU
=1MHz
(2)
0.8 −
Internal RC, f
CPU
=1MHz 1.8 −
f
CPU
= 8MHz
(2)
3.7 6
Supply current in SLOW mode f
CPU
= 250kHz
(3)
1.6 2.5
Supply current in SLOW-wait mode f
CPU
= 250kHz
(4)
1.6 2.5
Supply current in HALT mode
(5)
-40°C≤T
A
≤+85°C 1 10
μAT
A
= +125°C 15 50
Supply current in AWUF mode
(6)
T
A
= +25°C 20 30
1. CPU running with memory access, 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 (CLKIN) driven by external square wave, LVD disabled.
2. 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 (CLKIN)
driven by external square wave, LVD disabled.
3. SLOW 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 (CLKIN) driven by external square wave, 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 (CLKIN) driven by external square wave, LVD disabled.
5. All I/O pins in output mode with a static value at V
SS
(no load), LVD disabled. Data based on characterization results,
tested in production at V
DD
max and fCPU max.
6. All I/O pins in input mode with a static value at VDD or VSS (no load). Data tested in production at VDD max. and f
CPU
max.
This consumption refers to the Halt period only and not the associated run period which is software dependent.
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Vdd (V)
Idd (mA)
8Mhz
4Mhz
1Mhz