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TNETX4090
ThunderSWITCH II
9-PORT 100-/1000-MBIT/S ETHERNET
SWITCH
SPWS044E – DECEMBER 1997 – REVISED AUGUST 1999
75
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
V
DD
0
20%
47%
80%
Input
(active-low
enable)
Hi-Z
Active
V
OH
Hi-Z (forced low)
50% LVCMOS
1.3 V TTL
t
PZH
Output
High
V
OL
Hi-Z (forced high)
50% LVCMOS
1.3 V TTL
Output
Low
t
PZL
V
DD
0
20%
47%
80%
Input
(active-low
enable)
Hi-Z
Active
+ Ion
0 mA
t
PHZ
Output
High
– Ion
0 mA
1 mA
Output
Low
t
PLZ
1 mA
Figure 35. TTL 3-State Output Disable and Enable Voltage Waveforms