參數(shù)資料
型號(hào): AU9520
廠商: Electronic Theatre Controls, Inc.
英文描述: USB Smart Card Reader Controller Technical Reference Manual
中文描述: USB智能卡閱讀器控制器技術(shù)參考手冊(cè)
文件頁(yè)數(shù): 14/19頁(yè)
文件大?。?/td> 571K
代理商: AU9520
Page 14 of 19
AU9520 USB Smart Card Reader Controller V1.12
Official Release-Public
5.4 Crystal Oscillator Circuit Setup for
Characterization
The following setup was used to measure the open loop voltage gain for crystal oscillator
circuits. The feedback resistor serves to bias the circuit at its quiescent operating point and
the AC coupling capacitor, Cs, is much larger than C1 and C2.
Figure 5.1 Crystal Oscillator Circuit Setup for Characterization
5.5 ESD Test Results
Test Description
: ESD Testing was performed on a Zapmaster system using the
Human-Body-Model (HBM) and Machine-Model (MM), according to MIL-STD 883 and EIAJ
IC-121 respectively.
Human-Body-Model stresses devices by sudden application of a high voltage supplied by a
100pF capacitor through 1.5k-ohm resistance.
Machine-Model stresses devices by sudden application of a high voltage supplied by a
200pF capacitor through very low (0 ohm) resistance.
Test Circuit & Condition
- Zap Interval: 1 second
- Number of Zaps: 3 positive and 3 negative at room temperature
- Criteria: I-V Curve Tracing
Table 5.4 ESD Data
Model
Mode
S/ S
Target
Results
HBM
Vdd, Vss, I/C
15
6000V
PASS
MM
Vdd, Vss, I/C
15
200V
PASS
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