C8051F391 View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
MFG CO.
'C8051F391' PDF : 300 Pages View PDF
C8051F39x/37x
7.2. Electrical Characteristics
Table 7.2. Global Electrical Characteristics
–40 to +105 °C (C8051F39x), –40 to +85 °C (C8051F37x), 50 MHz system clock, unless otherwise specified.
Parameter
Supply Voltage (VDD)
Digital Supply RAM Data
Retention Voltage
SYSCLK (System Clock) 2
TSYSH (SYSCLK High Time)
TSYSL (SYSCLK Low Time)
Specified Operating
Temperature Range
Condition
Normal Operation
Writing or Erasing Flash Memory
C8051F39x
C8051F37x
Min Typ Max
VRST 1 3.0
3.6
1.8
3.0 3.6
—
1.5 —
0
— 50
9.5
—
—
9.5
—
—
–40
— +105
–40
— +85
Digital Supply Current—CPU Active (Normal Mode, Fetching Instructions from Flash)
IDD 3
VDD = 3.6 V, F = 50 MHz
VDD = 3.0 V, F = 50 MHz
VDD = 3.6 V, F = 25 MHz
—
7.1 10.5
—
7.0 10.4
—
4.6 6.5
VDD = 3.0 V, F = 25 MHz
VDD = 3.6 V, F = 1 MHz
—
4.5 6.4
— 0.35 —
VDD = 3.0 V, F = 1 MHz
VDD = 3.0 V, F = 80 kHz
— 0.35 —
— 0.25 —
Digital Supply Current—CPU Inactive (Idle Mode, Not Fetching Instructions from Flash)
IDD 3
Digital Supply Current
(Suspend Mode)
VDD = 3.6 V, F = 50 MHz
VDD = 3.0 V, F = 50 MHz
VDD = 3.6 V, F = 25 MHz
VDD = 3.0 V, F = 25 MHz
VDD = 3.6 V, F = 1 MHz
VDD = 3.0 V, F = 1 MHz
VDD = 3.0 V, F = 80 kHz
Oscillator not running,
VDD Monitor Disabled,
Regulator running (STOPCF = 0)
—
3.9 4.5
—
3.8 4.4
—
2.1 2.5
—
2.0 2.4
— 0.15 —
— 0.15 —
—
0.1 —
—
77 —
Digital Supply Current
(Stop Mode)
Oscillator not running,
VDD Monitor Disabled,
Regulator running (STOPCF = 0)
—
81 —
Digital Supply Current
Oscillator not running,
—
0.2 —
(Stop Mode, regulator shut-
down)
VDD Monitor Disabled,
Regulator Shutdown (STOPCF = 1)
Notes:
1. Given in Table 7.4 on page 35.
2. SYSCLK must be at least 32 kHz to enable debugging.
3. Based on device characterization data; Not production tested.
Unit
V
V
V
MHz
ns
ns
°C
°C
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
µA
Preliminary Rev. 0.71
33
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