External Clock Input (Ext Clk In) - YOKOGAWA DL850E User Manual

5.3

External Clock Input (EXT CLK IN)

Only apply signals that meet the following specifications. Signals that do not meet the
specifications may damage the DL850E/DL850EV, because of factors such as excessive
voltage.
French
Appliquer uniquement des signaux respectant les spécifications ci-dessous. Les signaux
ne respectant pas les spécifications risquent d'endommager DL850E/DL850EV, à cause de
facteurs tels que la surtension.
External-clock input terminal
EXT CLK IN
Use this terminal to operate the DL850E/DL850EV using an external clock signal.
Item
Connector type
Input level
Detected edge
Minimum pulse width
External clock frequency range
Circuit Diagram for External Clock Input
100 Ω
5-4
Specifications
BNC
TTL (0 to 5 V)
Rising
50 ns or more for both high and low
Up to 9.5 MHz
+5 V
Equivalent
4.7 kΩ
to LCX14
100 pF
CAUTION
ATTENTION
EXT CLK IN
IM DL850E-03EN