3D3250 Datasheet, PDF (4/4 Pages) Data Delay Devices, Inc. – FIXED PULSE-WIDTH 10-TAP MILLISECOND TIMER (SERIES 3D3250)

3D3250
SILICON DELAY LINE AUTOMATED TESTING
TEST CONDITIONS
INPUT:
Ambient Temperature: 25^oC  3^oC
Supply Voltage (Vcc): 3.3V  0.1V
Input Pulse:
High = 3.0V  0.1V
Low = 0.0V  0.1V
Source Impedance: 50 Max.
Rise/Fall Time:
3.0 ns Max. (measured
between 0.6V and 2.4V )
Pulse Width:
Period:
PW_IN = 1.25 x Total Delay
PER_IN = 2.5 x Total Delay
OUTPUT:
R_load:
C_load:
Threshold:
10K  10%
5pf  10%
1.5V (Rising & Falling)
Device
Under
Test
10K
470
Digital
Scope
5pf
NOTE: The above conditions are for test only and do not in any way restrict the operation of the device.
COMPUTER
SYSTEM
PRINTER
PULSE
GENERATOR
OUT
TRIG
FREQUENCY
SOURCE
TRG
CK
T1
T2
DEVICE UNDER _T3
TEST (DUT) _T4
T5
T6
T7
T8
T9
T10
Figure 2: Test Setup
REF
IN
DIGITAL SCOPE/
TRIG ^{TIME INTERVAL COUNTER}
t_RISE
PW_IN
PER_IN
t_FALL
INPUT
2.4V
V_IH
2.4V
SIGNAL
1.5V
0.6V
1.5V
0.6V
V_IL
t_PLH
t_PHL
OUTPUT
SIGNAL
V_OH
1.5V
1.5V
V_OL
Figure 3: Timing Diagram
Doc #14017
DATA DELAY DEVICES, INC.
4
6/10/2014
Tel: [phone] Fax: [phone] http://www.datadelay.com