PEX-400111
-
25 -
Interface Corporation
6.2 Electric Characteristics
6.2.1 Serial interface
Absolute Maximum Rating (RS-232C)
Item
Min.
Max.
Input voltage
-25 V
+25 V
DC Specifications (RS-232C)
Item
Min.
Typ.
Max.
Output voltage (3 k
Ω
load)
+/-5 V
+/-5.4 V
Input threshold voltage (low)
+0.6 V
+1.2 V
⎯
Input threshold voltage (high)
⎯
+1.5 V
+2.4 V
Surge Protection Voltage (RS-232C)
Item
Min.
Max.
Condition
-15 kV
+15 kV Human body model
-8 kV
+8 kV
Contact discharge
Surge protection voltage
-15 kV
+15 kV Air gap discharge
6.2.2 Parallel Interface
Absolute Maximum Rating (Parallel)
Item
Min.
Max.
Condition
-2.0 V
+7.0 V
40 ns transient
Input voltage
-0.5 V
+5.5 V
⎯
DC Specifications (Parallel)
Item
Min.
Max.
Condition
Output voltage (low)
⎯
+0.77 V
I
OL
= 14 mA
Output voltage (high)
+2.23 V
⎯
I
OH
= -14 mA
Input threshold voltage (low)
⎯
0.8 V
⎯
+2.0 V
D0 to D7
Input threshold voltage (high)
+2.3 V
⎯
SELECT, nACK, nERROR, PE
Surge Protection Voltage (Parallel)
Item
Min.
Max.
Condition
-10 kV
+10 kV Human body model
-6 kV
+6 kV
Air gap discharge
Surge protection voltage
-2 kV
+2 kV
Machine model
