Silicon Laboratories C8051F345 Two-Way Radio User Manual


 
Rev. 0.5 31
C8051F340/1/2/3/4/5/6/7
3. Global DC Electrical Characteristics
Other electrical characteristics tables are found in the data sheet section corresponding to the associated
peripherals. For more information on electrical characteristics for a specific peripheral, refer to the page
indicated in
Table 3.2.
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
2.7 3.3 3.6 V
Digital Supply Current with CPU
active
V
DD
= 3.3 V, Clock = 24 MHz
V
DD
= 3.3 V, Clock = 1 MHz
V
DD
= 3.3 V, Clock = 32 kHz
15
0.7
74
mA
mA
µA
Digital Supply Current with CPU
active and USB active (Full or
Low Speed)
V
DD
= 3.3 V, Clock = 24 MHz
V
DD
= 3.3 V, Clock = 6 MHz
TBD
TBD
mA
mA
Digital Supply Current with CPU
inactive (not accessing Flash)
V
DD
= 3.3 V, Clock = 24 MHz
V
DD
= 3.3 V, Clock = 1 MHz
V
DD
= 3.3 V, Clock = 32 kHz
9
0.5
74
mA
mA
µA
Digital Supply Current (suspend
mode or shutdown mode)
Oscillator not running < 0.1 µA
Digital Supply RAM Data Reten-
tion Voltage
1.5 V
SYSCLK (System Clock)
2
C8051F340/1/2/3
C8051F344/5/6/7
0
0
48
25
MHz
T
SYSH
(SYSCLK High Time) C8051F340/1/2/3 @ 50 MHz
C8051F344/5/6/7
9
18
ns
T
SYSL
(SYSCLK Low Time) C8051F340/1/2/3 @ 50 MHz
C8051F344/5/6/7
9
18
ns
Specified Operating Tempera-
ture Range
-40 +85 °C
Notes:
1. USB Requires 3.0 V Minimum Supply Voltage.
2. SYSCLK must be at least 32 kHz to enable debugging.