m41t83 STMicroelectronics, m41t83 Datasheet - Page 52

• Manufacturer Part Number: m41t83
• Description: Serial I 2c Bus Rtc With Battery Switchover
• Manufacturer: STMicroelectronics

52/58
Figure 28. QFN16 – 16-lead, quad, flat package, no lead, 4 x 4 mm, recommended
1. Dimensions are shown in millimeters (mm).
Figure 29. 32KHz crystal + QFN16 vs. VSOJ20 mechanical data
1. Dimensions shown are in millimeters (mm).
footprint
3.9
1.5
4.50
1
2
3
4
ST QFN16
CRYSTAL
0.70
SMT
3.2
3.9
6.0 ± 0.2
2.70
0.65
0.325
VSOJ2 0
0.35
AI11815
2.70
0.20
7.0 ± 0.3
AI11816