AT1040 Datasheet, PDF (5/7 Pages) BCD Semiconductor Manufacturing Limited – General Purpose ITVS, 4 I/Os, CI/O-VSS<1.1pF, VCC

Preliminary Datasheet
General Purpose ITVS, 4 I/Os, C_I/O-VSS<1.1pF, V_CC
Typical Performance Characteristics (Continued)
T_A=25°C, unless otherwise specified.
AT1040
10.0
9.5
9.0
8.5
8.0
7.5
7.0
1
IEC 61000-4-5 (Lightning)
2
3
4
5
6
7
Current from I/O to VSS (A)
Figure 6. Clamping Voltage
vs. Current from I/O to VSS (8μs/20μs)
1.0
0.8
0.6
0.4
0.2
0.0
0
f=1MHz, V =4.8V, V =0V
CC
SS
1
2
3
4
5
Input Voltage (V)
Figure 7. Input Capacitance vs. Input Voltage
V_CLAMPING
=9.2V
2V/div
Current
Waveform,
(Surge, 8x20 μs,
I_PP=6A)
2A/div
Time 10μs/div
V_CLAMPING
=9.1V
5V/div
Current
Waveform,
(Surge, 8x20 μs,
I_PP=12A)
5A/div
Time 10μs/div
Figure 8. Waveform of I/O to GND (Positive)
Figure 9. Waveform of VCC to VSS (Positive)
Aug. 2012 Rev. 2.0
BCD Semiconductor Manufacturing Limited
5