C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 40
![no-image](/images/manufacturer_photos/0/6/609/silicon_laboratories_inc_sml.jpg)
C8051F340-GQR
Manufacturer Part Number
C8051F340-GQR
Description
MCU 8-Bit C8051F34x 8051 CISC 64KB Flash 3.3V/5V 48-Pin TQFP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F340-GQR.pdf
(276 pages)
Specifications of C8051F340-GQR
Package
48TQFP
Device Core
8051
Family Name
C8051F34x
Maximum Speed
48 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
40
Interface Type
I2C/SMBus/SPI/UART/USB
On-chip Adc
17-chx10-bit
Number Of Timers
4
Ram Size
4.25 KB
Program Memory Size
64 KB
Program Memory Type
Flash
Operating Temperature
-40 to 85 °C
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F340-GQR
Manufacturer:
SILICON
Quantity:
3 870
Company:
Part Number:
C8051F340-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Part Number:
C8051F340-GQR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
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C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
40
Notes:
General:
Solder Mask Design:
Stencil Design:
Card Assembly:
Dimension
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. This Land Pattern Design is based on the IPC-7351 guidelines.
3. All metal pads are to be non-solder mask defined (NSMD). Clearance between the solder
4. A stainless steel, laser-cut and electro-polished stencil with trapezoidal walls should be used
5. The stencil thickness should be 0.125 mm (5 mils).
6. The ratio of stencil aperture to land pad size should be 1:1 for all perimeter pins.
7. A 3x3 array of 1.0 mm openings on a 1.2mm pitch should be used for the center pad to assure
8. A No-Clean, Type-3 solder paste is recommended.
9. The recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small
C1
C2
X1
E
mask and the metal pad is to be 60m minimum, all the way around the pad.
to assure good solder paste release.
the proper paste volume.
Body Components.
Figure 4.9. QFN-32 Recommended PCB Land Pattern
Table 4.7. QFN-32 PCB Land Pattern Dimesions
4.80
4.80
0.20
Min
0.50 BSC
Max
4.90
4.90
0.30
Rev. 1.3
Dimension
X2
Y1
Y2
3.20
0.75
3.20
Min
Max
3.40
0.85
3.40
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