Table 7.8. Internal Low-Frequency Oscillator Electrical Characteristics; Table 7.9. External Oscillator Electrical Characteristics - Silicon Laboratories C8051T620 Manual

Table 7.8. Internal Low-Frequency Oscillator Electrical Characteristics

V = 2.7 to 3.6 V; T = –40 to +85 °C unless otherwise specified; Using factory-calibrated settings.
DD A
Parameters
Oscillator Frequency
Oscillator Supply Current 
(from V )
DD
Power Supply Sensitivity
Temperature Sensitivity
Note: Represents mean ±1 standard deviation.

Table 7.9. External Oscillator Electrical Characteristics

V = 2.7 to 3.6 V; T = –40 to +85 °C unless otherwise specified.
DD A
Parameters
External Crystal Frequency
External CMOS Oscillator Fre-
quency
C8051T620/1/6/7 & C8051T320/1/2/3
Test Condition
OSCLD = 11b
25 °C, V = 3.0 V,
DD
OSCLCN.7 = 1
C8051T626/7/T320/1/2/3
C8051T626/7
Constant Temperature
Constant Supply
Test Condition
Rev. 1.2
Min Typ Max
72 80 88
— 3 6
— 4 7
— ±0.09 —
— ±30 —
Min Typ Max
.02 — 30
0 — 48
Unit
kHz
µA
µA
%/V
ppm/°C
Unit
MHz
MHz
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