C8051F537-IT Silicon Laboratories Inc, C8051F537-IT Datasheet - Page 26

• Manufacturer Part Number: C8051F537-IT
• Description: IC 8051 MCU 2K FLASH 20TSSOP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F53xr

Specifications of C8051F537-IT

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.25 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 336-1401

C8051F52x/F52xA/F53x/F53xA
2.2. Electrical Characteristics
Table 2.2. Global DC Electrical Characteristics
–40 to +125 °C, 25 MHz System Clock unless otherwise specified. Typical values are given at 25 °C
26
Supply Input Voltage (V
Digital Supply Voltage (V
Core Supply RAM Data Retention
Voltage
SYSCLK (System Clock)
Specified Operating Temperature Range
Digital Supply Current—CPU Active (Normal Mode, fetching instructions from Flash)
I
I
I
Notes:
DD
DD
DD
3,4
1. For more information on V
2. SYSCLK must be at least 32 kHz to enable debugging.
3. Based on device characterization data.
4. Does not include internal oscillator or internal regulator supply current.
5. I
6. Idle I
Supply Sensitivity
Frequency Sensitivity
sensitivity number for that range. When using these numbers to estimate I
the current at 25 MHz minus the difference in current indicated by the frequency sensitivity number. For
example: V
sensitivity number for that range. When using these numbers to estimate I
the current at 25 MHz minus the difference in current indicated by the frequency sensitivity number. For
example: V
DD
can be estimated for frequencies <= 15 MHz by multiplying the frequency of interest by the frequency
DD
can be estimated for frequencies <= 1 MHz by multiplying the frequency of interest by the frequency
Parameter
DD
DD
= 2.6 V; F= 20 MHz, I
= 2.6 V; F= 5 MHz, Idle I
3
REGIN
DD
2
3,5
)
)
1
REGIN
characteristics, see Table 2.5 on page 30.
DD
= 6.3 mA – (25 MHz – 20 MHz) x 0.14 mA/MHz = 5.6 mA.
DD
Output Current < 1 mA
C8051F52x/53x
C8051F52xA/53xA
C8051F52x/53x
C8051F52xA/53xA
V
Clock = 32 kHz
V
Clock = 32 kHz
F = 25 MHz
F = 1 MHz
T = 25 °C:
V
V
V
V
Clock = 200 kHz
Clock = 1 MHz
Clock = 25 MHz
Clock = 200 kHz
Clock = 1 MHz
Clock = 25 MHz
DD
DD
DD
DD
DD
DD
= 3 mA – (25 MHz– 5 MHz) x 120 µA/MHz = 0.6 mA.
= 2.1 V:
= 2.6 V:
= 2.1 V, F < 15 MHz
= 2.1 V, F > 15 MHz
= 2.6 V, F < 15 MHz
= 2.6 V, F > 15 MHz
Rev. 1.3
Conditions
DD
DD
1.8
Min
–40
2.7
2.0
1.8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
> 15 MHz, the estimate should be
> 1 MHz, the estimate should be
1
0.28
0.24
0.37
0.14
0.11
Typ
105
1.5
4.3
0.5
6.3
13
60
22
75
90
—
—
—
—
—
—
+125
Max
5.25
5.25
2.7
2.7
25
13
—
—
—
—
—
—
—
—
—
—
—
—
—
9
V
mA/MHz
mA/MHz
mA/MHz
mA/MHz
Units
MHz
%/V
%/V
mA
mA
mA
mA
µA
µA
µA
µA
°C
V
V
V
V