Silicon Laboratories C8051F347 - Manual (Page 25)

Rev. 1.3 25
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
3. Global DC Electrical Characteristics
Table 3.1. Global DC Electrical Characteristics
–40 to +85 °C, 25 MHz System Clock unless otherwise specified.
Parameter Conditions Min Typ Max Units
Digital Supply Voltage
1 VRST 3.3 3.6 V
Digital Supply RAM Data
Retention Voltage
1.5 V
SYSCLK (System Clock)
2 C8051F340/1/2/3/A/B/C/D
C8051F344/5/6/7/8/9 0
0 48
25 MHz
Specified Operating

Temperature Range
–40 +85 °C
Digital Supply Current - CPU Active (Normal Mode, accessing Flash)
I
DD
3 V
DD
= 3.3 V, SYSCLK = 48 MHz

V
DD
= 3.3 V, SYSCLK = 24 MHz

V
DD
= 3.3 V, SYSCLK = 1 MHz

V
DD
= 3.3 V, SYSCLK = 80 kHz
V
DD
= 3.6 V, SYSCLK = 48 MHz

V
DD
= 3.6 V, SYSCLK = 24 MHz
25.9
13.9
0.69
55
29.7
15.9
28.5
15.7
32.3
18
mA
mA
mA
µA
mA
mA
I
DD
Supply Sensitivity
3,4 SYSCLK = 1 MHz,

relative to V
DD
= 3.3 V
SYSCLK = 24 MHz,

relative to V
DD
= 3.3 V
47
46
%/V
%/V
I
DD
Frequency Sensitivity
3,5 V
DD
= 3.3 V, SYSCLK < 30 MHz,

T = 25 ºC
V
DD
= 3.3 V, SYSCLK > 30 MHz,

T = 25 ºC
V
DD
= 3.6 V, SYSCLK < 30 MHz,

T = 25 ºC
V
DD
= 3.6 V, SYSCLK > 30 MHz,

T = 25 ºC
0.69
0.44
0.80
0.50
mA/MHz
mA/MHz
mA/MHz
mA/MHz
Digital Supply Current - CPU Inactive (Idle Mode, not accessing Flash)
I
DD
3 V
DD
= 3.3 V, SYSCLK = 48 MHz

V
DD
= 3.3 V, SYSCLK = 24 MHz

V
DD
= 3.3 V, SYSCLK = 1 MHz

V
DD
= 3.3 V, SYSCLK = 80 kHz
V
DD
= 3.6 V, SYSCLK = 48 MHz

V
DD
= 3.6 V, SYSCLK = 24 MHz
16.6
8.25
0.44
35
18.6
9.26
18.75
9.34
20.9
10.5
mA
mA
mA
µA
mA
mA
I
DD
Supply Sensitivity
3,4
SYSCLK = 1 MHz,

relative to V
DD
= 3.3 V
SYSCLK = 24 MHz,

relative to V
DD
= 3.3 V
41
39
%/V
%/V