C8051F305-GMR Silicon Laboratories Inc, C8051F305-GMR Datasheet - Page 31

IC 8051 MCU 2K FLASH 11QFN

C8051F305-GMR

Manufacturer Part Number
C8051F305-GMR
Description
IC 8051 MCU 2K FLASH 11QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F30xr
Datasheets

Specifications of C8051F305-GMR

Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
8
Program Memory Size
2KB (2K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
11-VQFN
For Use With
336-1444 - ADAPTER PROGRAM TOOLSTICK F300
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
C8051F305-GMR
Manufacturer:
SILICONLABS/芯科
Quantity:
20 000
Company:
Part Number:
C8051F305-GMR
Quantity:
1 061
.
Notes: General
Notes: Solder Mask Design
Notes: Stencil Design
Notes: Card Assembly
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. This land pattern design is based on the IPC-7351 guidelines.
1. All metal pads are to be non-solder mask defined (NSMD). Clearance between the solder
1. A stainless steel, laser-cut and electro-polished stencil with trapezoidal walls should be used to
2. The stencil thickness should be 0.125 mm (5 mils).
3. The ratio of stencil aperture to land pad size should be 1:1 for all perimeter pads.
4. A 3 x 1 array of 1.30 x 0.60 mm openings on 0.80 mm pitch should be used for the center
1. A No-Clean, Type-3 solder paste is recommended.
2. The recommended card reflow profile is per the JEDEC/IPC J-STD-020C specification for
mask and the metal pad is to be 60 µm minimum, all the way around the pad.
assure good solder paste release.
ground pad.
Small Body Components.
Dimension
C1
C2
X1
X2
Y1
Y2
Table 4.3. QFN-11 Landing Diagram Dimensions
E
Figure 4.4. Typical QFN-11 Landing Diagram
Rev. 2.9
MIN
2.75
2.75
0.20
1.40
0.65
2.30
C8051F300/1/2/3/4/5
0.50 BSC
MAX
2.85
2.85
0.30
1.50
0.75
2.40
31

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