C8051T630 Datasheet, PDF (24/221 Pages) Silicon Laboratories – Mixed-Signal Byte-Programmable EPROM MCU

C8051T630/1/2/3/4/5
5.2. Electrical Characteristics
Table 5.2. Global Electrical Characteristics
–40 to +85 °C, 25 MHz system clock unless otherwise specified.
Parameter
Conditions
Supply Voltage (Note 1)
Regulator in Normal Mode
Regulator in Bypass Mode
Digital Supply Current with
CPU Active
V_DD = 1.8 V, Clock = 25 MHz
V_DD = 1.8 V, Clock = 1 MHz
V_DD = 3.0 V, Clock = 25 MHz
V_DD = 3.0 V, Clock = 1 MHz
Digital Supply Current with
CPU Inactive (not accessing
EPROM)
V_DD = 1.8 V, Clock = 25 MHz
V_DD = 1.8 V, Clock = 1 MHz
V_DD = 3.0 V, Clock = 25 MHz
V_DD = 3.0 V, Clock = 1 MHz
Digital Supply Current 
(shutdown)
Oscillator not running (stop mode),
Internal Regulator Off
Oscillator not running (stop or sus-
pend mode), Internal Regulator On
Digital Supply RAM Data
Retention Voltage
Specified Operating Tempera-
ture Range
SYSCLK (system clock 
frequency)
(Note 2)
Tsysl (SYSCLK low time)
Tsysh (SYSCLK high time)
Notes:
1. Analog performance is not guaranteed when V_DD is below 1.8 V.
2. SYSCLK must be at least 32 kHz to enable debugging.
Min Typ Max
1.8 3.0 3.6
1.7 1.8 1.9
— 6.2 8.8
— 2.7 —
—
7
8.9
— 2.9 —
— 2.2 3
— 0.41 —
— 2.3 3.1
— 0.42 —
— 0.2 2
— 350 400
— 1.5 —
–40 — +85
0
— 25
18 — —
18 — —
Units
V
V
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
V
°C
MHz
ns
ns
24
Rev. 1.0