SiM3U157-B-GM Silicon Labs, SiM3U157-B-GM Datasheet - Page 88
SiM3U157-B-GM
Manufacturer Part Number
SiM3U157-B-GM
Description
ARM Microcontrollers - MCU ARM Cortex-M3 USB 128KB LGA92
Manufacturer
Silicon Labs
Datasheet
1.SIM3U157-B-GM.pdf
(94 pages)
Specifications of SiM3U157-B-GM
Rohs
yes
Core
ARM Cortex M3
Processor Series
SIM3U1xx
Data Bus Width
32 bit
Maximum Clock Frequency
80 MHz
Program Memory Size
128 KB
Data Ram Size
32 KB
On-chip Adc
Yes
Operating Supply Voltage
1.8 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LGA-92
Mounting Style
SMD/SMT
Length
7 mm
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
65
Number Of Timers
2 x 32 bit
Supply Voltage - Max
3.6 V
Supply Voltage - Min
1.8 V
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SiM3U1xx
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Notes:
1. All dimensions shown are in millimeters (mm).
2. This Land Pattern Design is based on the IPC-7351 guidelines.
3. All dimensions shown are at Maximum Material Condition (MMC).
Table 6.13. QFN-40 Landing Diagram Dimensions
Least Material Condition (LMC) is calculated based on a
Fabrication Allowance of 0.05 mm.
Dimension
Figure 6.15. QFN-40 Landing Diagram
C1
C2
X1
Y1
X2
Y2
E
Rev. 1.0
5.90
5.90
0.50
0.30
0.85
4.65
4.65
mm
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