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DDU222F Datasheet(PDF) 1 Page - Data Delay Devices, Inc.

Part No. DDU222F
Description  5-TAP, TTL-INTERFACED FIXED DELAY LINE (SERIES DDU222F)
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Maker  DATADELAY [Data Delay Devices, Inc.]
Homepage  http://www.datadelay.com
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DDU222F Datasheet(HTML) 1 Page - Data Delay Devices, Inc.

   
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DDU222F
Doc #97011
DATA DELAY DEVICES, INC.
1
1/27/97
3 Mt. Prospect Ave. Clifton, NJ 07013
5-TAP, TTL-INTERFACED
FIXED DELAY LINE
(SERIES DDU222F)
FEATURES
PACKAGES
Five equally spaced outputs
Very narrow device (SIP package)
Stackable for PC board economy
Input & outputs fully TTL interfaced & buffered
10 T
2L fan-out capability
FUNCTIONAL DESCRIPTION
The DDU222F-series device is a 5-tap digitally buffered delay line. The
signal input (IN) is reproduced at the outputs (T1-T5), shifted in time by an
amount given by the device dash number. For dash numbers less than
25, the total delay of the line is measured from T1 to T5, with the nominal
value given by the dash number. The nominal tap-to-tap delay increment
is given by 1/4 of this number. The inherent delay from IN to T1 is nominally 3.5ns. For dash numbers
greater than or equal to 25, the total delay of the line is measured from IN to T5, with the nominal value
given by the dash number. The nominal tap-to-tap delay increment is given by 1/5 of this number.
SERIES SPECIFICATIONS
Minimum input pulse width: 40% of total delay
Output rise time: 2ns typical
Supply voltage:
5VDC
± 5%
Supply current:
ICCL = 32ma typical
ICCH = 7ma typical
Operating temperature: 0
° to 70° C
Temp. coefficient of total delay: 100 PPM/
°C
25%
25%
25%
25%
VCC
GND
IN
T1
T2
T3
T4
T5
Functional diagram for dash numbers < 25
3.5ns
20%
20%
20%
20%
20%
VCC
GND
IN
T1
T2
T3
T4
T5
Functional diagram for dash numbers >= 25
©
©1997 Data Delay Devices
data
delay
devices, inc.
®
®
3
2 3 4 5 6 7 8
1
VCC IN T1 T2 T3 T4 T5 GND
DDU222F-xx Commercial
DDU222F-xxM
Military
PIN DESCRIPTIONS
IN
Signal Input
T1-T5 Tap Outputs
VCC
+5 Volts
GND
Ground
DASH NUMBER SPECIFICATIONS
Part
Number
Total
Delay (ns)
Delay Per
Tap (ns)
DDU222F-4
4
± 1.0 *
1.0
± 0.5
DDU222F-6
6
± 1.0 *
1.5
± 0.5
DDU222F-8
8
± 2.0 *
2.0
± 1.0
DDU222F-10
10
± 2.0 *
2.5
± 1.0
DDU222F-12
12
± 2.0 *
3.0
± 1.0
DDU222F-16
16
± 2.0 *
4.0
± 1.5
DDU222F-25
25
± 3.0
5.0
± 2.0
DDU222F-30
30
± 3.0
6.0
± 2.0
DDU222F-35
35
± 3.0
7.0
± 2.0
DDU222F-40
40
± 3.0
8.0
± 2.0
DDU222F-45
45
± 3.0
9.0
± 3.0
DDU222F-50
50
± 3.0
10.0
± 3.0
DDU222F-60
60
± 3.0
12.0
± 3.0
DDU222F-75
75
± 4.0
15.0
± 3.0
DDU222F-100
100
± 5.0
20.0
± 3.0
DDU222F-125
125
± 6.5
25.0
± 3.0
DDU222F-150
150
± 7.5
30.0
± 3.0
DDU222F-175
175
± 8.0
35.0
± 4.0
DDU222F-200
200
± 10.0
40.0
± 4.0
DDU222F-250
250
± 12.5
50.0
± 5.0
* Total delay is referenced to first tap output
Input to first tap = 3.5ns
±± 1ns
NOTE: Any dash number between 4 and 250 not
shown is also available.


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