en pro

encounter 1 **ERROR: (SOCDB-1221): A global net connection rule for connect ing P/G pins of the pattern 'GND' was specified. But the connections cannot be made because there is no such pin in any cell. Check the pin name pattern and m ake sure it is correct.

**ERROR: (SOCDB-1221): A global net connection rule for connecting P/G pins of the pattern 'GND' was specified. But the connections cannot be made because the re is no such pin in any cell. Check the pin name pattern and make sure it is c orrect.

[0;174.11;-0.4711;0.8378;-0.0921;0.1726;-1/6;1/4]

[0;0;0.9;0;0.5;-1/6;1/4]

.meas tran tdlay trig v(1) val=2.5 td=10n rise=2 targ v(2) val=2.5 fall=2

��������һ����Ϊtdlay��ʱ�䣬 �ڽڵ� 1 ���ĵ�ѹ�ڶ��γ��� 2.5v��

ʱ��ʼ������ע���ڳ��� 2.5v�Ժ�10n ���ſ�ʼ���������������ڵ�

2 ���ĵ�ѹ�ڶ��λ��䵽 2.5v ʱֹͣ������

��������Ĭ�ϵ��ӳ�1ns��ʼ������