Datasheet
Table Of Contents
- Table 1. Device summary
- 1 Pin configuration
- 2 Maximum ratings
- 3 Electrical characteristics
- Table 4. Electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 3.6 V, TA = -40 to 85 ˚C, unless otherwise specified. Typical values are referred to TA = 25 ˚C)
- Table 5. Logic input electrical characteristics (C1 - C4 = 0.1 µF, VC = 3 V to 3.6 V, TA = - 40 to 85 ˚C, unless otherwise specified. Typical values are referred to TA = 25 ˚C)
- Table 6. Transmitter electrical characteristics (C1 - C4 = 0.1 µA VCC = 3 V to 3.6 V, TA = -40 to 85 ˚C, unless otherwise specified. Typical values are referred to TA = 25 ˚C)
- 3.1 Receiver electrical characteristics
- Table 7. Receiver electrical characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 3.6 V, TA = -40 to 85 ˚C, unless otherwise specified. Typical values are referred to TA = 25 ˚C)
- Table 8. Timing characteristics (C1 - C4 = 0.1 µF, VCC = 3 V to 3.6 V, TA = -40 to 85 ˚C, unless otherwise specified. Typical values are referred to TA = 25 ˚C)
- 4 Application
- 5 Package mechanical data
- 6 Revision history

Package mechanical data ST3222B - ST3222C
10/13 Doc ID 7512 Rev 7
Figure 7. TSSOP20 package mechanical drawing
Table 10. TSSOP20 package mechanical data
Dim.
mm. in.
Min. Typ. Max. Min. Typ. Max.
A 1.2 0.047
A1 0.05 0.15 0.002 0.004 0.006
A2 0.8 1 1.05 0.031 0.039 0.041
b 0.19 0.30 0.007 0.012
c 0.09 0.20 0.004 0.0079
D 6.4 6.5 6.6 0.252 0.256 0.260
E 6.2 6.4 6.6 0.244 0.252 0.260
E1 4.3 4.4 4.48 0.169 0.173 0.176
e 0.65 BSC 0.0256 BSC
K0° 8°0° 8°
L 0.45 0.60 0.75 0.018 0.024 0.030
c
E
b
A2
A
E1
D
1
PIN 1 IDENTIFICATION
A1
L
K
e
0087225C