一、测试仪器:
2.5GHz带宽、40GS/s采样率、最大256Mpts的可分析存储深度,X-Stream II流式结构——速度快于其它示波器10-100倍,具备最深的测量参数工具箱、函数运算工具箱,独特的TriggerScan异常捕获技术使得示波器能在单位时间内捕获更多的异常优越的瞬时响应能力,15.3英寸宽屏WXGA彩色触摸屏显示器。
二、测试夹具:
TF-USB-B(一致性测试板,能够完成USB2.0的一致性测试功能;负载板能够完成Droop电压和Drop电压相关测试)
三、测试软件:
QualiPHY测试软件的USB测试模板,能够完成低速率Device、全速率和高速率Host、Device、Hub的USB一致性测试,支持全部USB-IF组织制定的一致性测试规范。
四、测试项目列表
测试项目 |
测试指标 |
标准值 |
对应标准号 |
参考标准 |
Signal Rate |
Signal Rate |
479.76Mb/s≤x≤480.24Mb/s |
7.1.11 Data Signaling Rate |
Universal Serial Bus Specification Revision 2.0 |
Eye Result |
Eye Violations |
x=0 |
7.1.2.2 High-speed Signaling Eye Patterns and Rise and
Fall Time |
|
Consecutive Jitter |
x≤100ps |
|||
Consecutive Jitter |
x≤100ps |
|||
Consecutive RMS |
x≤100ps |
|||
Paired JK Jitter Min |
x≤100ps |
|||
Paired JK Jitter Max |
x≤100ps |
|||
Paired JK RMS Jitter |
x≤100ps |
|||
Paired KJ Jitter Min |
x≤100ps |
|||
Paired KJ Jitter Max |
x≤100ps |
|||
Paired KJ RMS Jitter |
x≤100ps |
|||
Rising Edge Rate |
Rising Edge Rate Min |
x≤1600MV/s |
7.1.2.2 High-speed Signaling Eye Patterns and Rise and
Fall Time |
Universal Serial Bus Specification Revision 2.0 |
Rise Time Max |
x≥500ps |
|||
Rising Edge Rate |
x≤1600MV/s |
|||
Rise Time Min |
x≥500ps |
|||
Rising Edge Rate |
x≤1600MV/s |
|||
Rise Time Mean |
x≥500ps |
|||
Falling Edge Rate |
Falling Edge Rate |
x≤1600MV/s |
7.1.2.2 High-speed Signaling Eye Patterns and Rise and
Fall Time |
Universal Serial Bus Specification Revision 2.0 |
Fall Time Max |
x≥500ps |
|||
Falling Edge Rate |
x≤1600MV/s |
|||
Fall Time Min |
x≥500ps |
|||
Falling Edge Rate |
x≤1600MV/s |
|||
Fall Time Mean |
x≥500ps |
|||
Edge Rate Match |
符合模板要求 |
|||
Edge Monotonicity |
Edge Monotonicity |
符合模板要求 |
7.1.2.2 High-speed Signaling Eye Patterns and Rise and
Fall Time |
Universal Serial Bus Specification Revision 2.0 |
EOP Width Result |
EOP Width |
7.5bits≤x≤8.5bits |
7.1.13.2.2 High-speed EOP |
|
Device Chirp K Latency |
2.50μs≤x≤7.00ms |
7.1.7.5 Reset Signaling |
||
Chirp K Duration |
1.00ms≤x≤7.00ms |
|||
HS Turn On Time After Chirp |
x≤500.0μs |
|||
Suspend Timing |
3.000ms≤x≤3.125ms |
7.1.7.6 Suspending |
||
Suspend D- Volts |
x≤700.0mV |
|||
Suspend D+ Volts |
2.70V≤x≤3.60V |
|||
HS SOF After Resume |
符合模板要求 |
7.1.7.7 Resume |
Universal Serial Bus Specification Revision 2.0 |
|
Resume Amplitude D- |
x≤700mV |
|||
Resume Amplitude D+ |
x≤700mV |
|||
Reset Time |
3.10ms≤x≤6.00ms |
7.1.7.5 Reset Signaling |
||
Suspend to Reset Time |
2.5μs≤x≤6.0000ms |
|||
J Voltage D+ |
360.0mV≤x≤440.0mV |
7.1.1.3 High-speed (480 Mb/s) Driver Characteristics |
||
J Voltage D- |
-10.0mV≤x≤10.0mV |
|||
K Voltage D+ |
-10.0mV≤x≤10.0mV |
|||
K Voltage D- |
360.0mV≤x≤440.0mV |
|||
SE0 D- Voltage |
-10.0mV≤x≤10.0mV |
|||
SE0 D+ Voltage |
-10.0mV≤x≤10.0mV |
|||
VBUS Voltage Before Enumeration |
x≤400mV |
无 |
无 |
|
D+ Voltage Before Enumeration |
x≤400mV |
无 |
||
D- Voltage Before Enumeration |
x≤400mV |
无 |
||
VBUS Voltage After Enumeration |
x≤400mV |
无 |
||
D+ Voltage After Enumeration |
x≤400mV |
无 |
||
D- Voltage After Enumeration |
x≤400mV |
无 |