DDU222F
DELAY LINE AUTOMATED TESTING
TEST CONDITIONS
INPUT:
Ambient Temperature:
25
o
C
±
3
o
C
Supply Voltage (Vcc):
5.0V
±
0.1V
Input Pulse:
High = 3.0V
±
0.1V
Low = 0.0V
±
0.1V
Source Impedance:
50Ω Max.
Rise/Fall Time:
3.0 ns Max. (measured
between 0.6V and 2.4V )
Pulse Width:
PW
IN
= 1.5 x Total Delay
Period:
PER
IN
= 10 x Total Delay
OUTPUT:
Load:
C
load
:
Threshold:
1 FAST-TTL Gate
5pf
±
10%
1.5V (Rising & Falling)
NOTE:
The above conditions are for test only and do not in any way restrict the operation of the device.
COMPUTER
SYSTEM
PRINTER
REF
PULSE
GENERATOR
OUT
TRIG
IN
DEVICE UNDER
TEST (DUT)
T1
T2
T3
T4
T5
IN
TRIG
TIME INTERVAL
COUNTER
Test Setup
PER
IN
PW
IN
T
RISE
INPUT
SIGNAL
2.4V
1.5V
0.6V
T
FALL
V
IH
2.4V
1.5V
0.6V
V
IL
T
FALL
T
RISE
OUTPUT
SIGNAL
V
OH
1.5V
1.5V
V
OL
Timing Diagram For Testing
Doc #97011
1/27/97
DATA DELAY DEVICES, INC.
Tel: 973-773-2299
Fax: 973-773-9672
http://www.datadelay.com
4
DATADELAY [ DATA DELAY DEVICES, INC. ]
