c8051f410 Silicon Laboratories, c8051f410 Datasheet - Page 36

• Manufacturer Part Number: c8051f410
• Description: 2.0 V, 32/16 Kb Flash, Smartclock, 12-bit Adc
• Manufacturer: Silicon Laboratories

C8051F410/1/2/3
3.
Table 3.1. Global DC Electrical Characteristics
–40 to +85 °C, 50 MHz System Clock unless otherwise specified. Typical values are given at 25 °C
36
Supply Input Voltage (V
Core Supply Voltage (V
I/O Supply Voltage (V
Backup Supply Voltage (V
Backup Supply Current
(I
(V
Core Supply RAM Data Retention Voltage
SYSCLK (System Clock)
Specified Operating Temperature Range
Notes:
RTC-BACKUP
DD
1. For more information on V
2. The Backup Supply Voltage (V
3. SYSCLK is the internal device clock. For operational speeds in excess of 25 MHz, SYSCLK must
4. SYSCLK must be at least 32 kHz to enable debugging.
5. Based on device characterization data, not production tested.
6. Active and Inactive IDD at voltages and frequencies other than those specified can be calculated
7. I
8. Idle IDD can be estimated for frequencies < 1 MHz by simply multiplying the frequency of interest by
= 0 V, smaRTClock clock = 32 kHz)
Global DC Electrical Characteristics
be derived from the internal clock multiplier.
using the IDD Supply Sensitivity. For example, if the V
I
frequency sensitivity number for that range. When using these numbers to estimate I
15 MHz, the estimate should be the current at 25 MHz minus the difference in current indicated by
the frequency sensitivity number. For example: V
the frequency sensitivity number for that range. When using these numbers to estimate Idle for >
1 MHz, the estimate should be the current at 25 MHz minus the difference in current indicated by
the frequency sensitivity number. For example: V
DD
2.0 V) = 5.73 mA at 2.2 V and f = 25 MHz.
DD
20 MHz) x 0.16 mA/MHz = 4.7 mA.
(25 MHz – 5 MHz) x 0.1 mA/MHz = 0.8 mA.
= 5.5 mA typical at 2.0 V and f = 25 MHz. From this, I
can be estimated for frequencies < 15 MHz by simply multiplying the frequency of interest by the
)
Parameter
IO
DD
)
REGIN
3,4
)
RTC-BACKUP
)
1
REGIN
RTC-BACKUP
)
2
characteristics, see Table 8.1 on page 82.
Output Current = 1 mA
V
V
V
RTC-BACKUP
RTC-BACKUP
RTC-BACKUP
at –40 ºC
at 25 ºC
at 85 ºC
at –40 ºC
at 25 ºC
at 85 ºC
at –40 ºC
at 25 ºC
at 85 ºC
Rev. 1.0
) is used to power the smaRTClock peripheral only.
Conditions
DD
DD
= 1.0 V:
= 1.8 V:
= 2.5 V:
= 2.0 V; F = 20 MHz, I
= 2.0 V; F = 5 MHz, Idle I
DD
DD
is 2.2 V instead of 2.0 V at 25 MHz:
= 5.5 mA + 1.14 x (2.2 V –
2.15
Min
–40
2.0
2.0
1.0
—
—
—
—
—
—
—
—
—
—
0
0.65
0.92
1.45
0.72
0.95
DD
Typ
0.9
1.4
0.7
1.5
1.5
—
—
—
—
—
—
= 5.5 mA – (25 MHz –
DD
= 2.8 mA –
Max
5.25
2.75
5.25
5.25
1.85
+85
1.5
1.8
2.5
1.6
2.6
50
—
—
—
—
DD
for >
Units
MHz
µA
µA
µA
µA
µA
µA
µA
µA
µA
°C
V
V
V
V
V