Toshiba Xeon 2.8GHz UPG3843W 用户手册
产品代码
UPG3843W
Intel® Xeon™ Processor with 512 KB L2 Cache
Datasheet
37
Figure 5. Electrical Test Circuit
Vtt
Vtt
Rload = 50 ohms
C = 1.2pF
L = 2.4nH
AC Timings
specified at pad.
Zo = 50 ohms, d=420mils, So=169ps/in
Figure 6. TCK Clock Waveform
*V2
*V3
*V1
t
r
t
p
t
f
CLK
T
r
= T56, T58 (Rise Time)
T
f
= T57, T59 (Fall Time)
T
p
= T55 (Period)
V3:
TCK is referenced to
0.5* Vcc
.
V1, V2: For rise and fall times, TCK is measured between
20%to 80%points on the waveform.