C8051F987-GMR Silicon Labs, C8051F987-GMR Datasheet - Page 47

• Manufacturer Part Number: C8051F987-GMR
• Description: 8-bit Microcontrollers - MCU 8kB 512B RAM
• Manufacturer: Silicon Labs

Specifications of C8051F987-GMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

4.2.
Table 4.2. Global Electrical Characteristics
–40 to +85 °C, 25 MHz system clock unless otherwise specified. See "AN358: Optimizing Low Power Operation of the
‘F9xx" for details on how to achieve the supply current specifications listed in this table.
Supply Voltage (V
Minimum RAM Data 
Retention Voltage
SYSCLK (System Clock)
T
T
Specified Operating 
Temperature Range
Digital Supply Current—CPU Active (Normal Mode, fetching instructions from Flash)
I
I
Sensitivity
DD
DD
SYSH
SYSL
3, 4, 5
Frequency 
(SYSCLK Low Time)
(SYSCLK High Time)
Electrical Characteristics
Parameter
1, 3, 5
1
DD
)
2
(includes external oscillator/GPIO current)
(includes SmaRTClock oscillator current)
(Flash oneshot active, see Section 14.6)
V
V
(Flash oneshot bypassed, see Section
(includes low power oscillator current)
DD
DD
(includes precision oscillator current)
V
V
= 1.8–3.6 V, T = 25
= 1.8–3.6 V, T = 25
DD
V
DD
DD
V
V
= 1.8–3.6 V, F = 32.768 kHz
= 1.8–3.6 V, F = 24.5 MHz
DD
DD
= 1.8–3.6 V, F = 20 MHz
not in sleep mode
in sleep mode
= 1.8 V, F = 1 MHz
= 3.6 V, F = 1 MHz
Conditions
Rev. 1.1
14.6)
°
°
C8051F99x-C8051F98x
C, F < 14 MHz
C, F > 14 MHz
Min
–40
1.8
18
18
—
—
—
—
—
—
—
—
—
0
Typ
225
290
174
2.4
1.4
0.3
3.6
3.1
84
88
—
—
—
—
Max
0.45
+85
3.6
4.5
25
—
—
—
—
—
—
—
—
—
µA/MHz
µA/MHz
Units
MHz
mA
mA
µA
µA
µA
ns
ns
°C
V
V
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