YOKOGAWA SL1000, User Manual, Page: 80 / 107

5-1
IM 720120-01E
External I/O T
erminals
1
2
3
4
5
6
7
App
Index
5.1 Connecting the External Clock Input Terminal
(EXT CLK IN)
CAUTION
Only input signals that meet the specifications below. Otherwise, undesirable signal
such as excessive voltage may damage the SL1000.
French
ATTENTION
Appliquer uniquement des signaux respectant les spécifications ci-dessous. Les
signaux ne respectant pas les spécifications risquent d’endommager SL1000, à
cause de facteurs tels que la surtension.
External Clock Input Terminal
Use this terminal if you want to operate the SL1000 using an external clock signal.
EXT CLK IN
Item Specifications
Connector type BNC
Input level TTL level (0 to 5 V)
Valid edge Rising edge
Minimum pulse width 100 ns or more for high and low
External clock frequency range 5 MHz maximum
Sampling jitter Within (100 ns + 1 sample period)
Circuit Diagram of the External Clock Input
LCX14 or equivalent
100 Ω
+5 V
4.7 k Ω
100 pF
EXT CLK
Chapter 5 External I/O Terminals