Dc Specification Of The Pad Cells - Siemens SIMATIC NET SPC 4-2 LF Manual

Profibus controller
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12.4

DC Specification of the Pad Cells

Threshold voltage 0 level
Schmitt trigger at 3.3 V
Threshold voltage 1 level
Schmitt trigger at 3.3 V
Threshold voltage 0 level
Schmitt trigger at 5.0 V
Threshold voltage 1 level
Schmitt trigger at 5.0 V
Input leakage current
Output leakage current
Output current 0 level
4 mA cell
Output current 1 level
4 mA cell
Output current 0 level
10 mA cell
Output current 1 level
10 mA cell
Short-circuit current
Input capacitance
Output capacitance
I/O capacity
(1) VOL = 0.5 V
(2) VOH = VDD-0.5 V
(3) at < s.
Table 12-4: Pad Cells
PROFIBUS Controller SPC 4®-2 LF
C79000-G8976-C157-3
Parameters
Technical Specifications
NAME
MIN.
Type
V+
0
V-
0.7
V+
0
V-
1.5
II
IOZ
IOL
4
IOH
-4
IOL
10
IOH
-10
IOS
CIN
5
COUT
5
CI/O
5
MAX.
Unit
1.8
V
VDD
V
3.7
V
VDD
V
1
uA
10
uA
(1)
mA
(2)
mA
(1)
mA
(2)
mA
TBD(3)
mA
pF
pF
pF
157

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