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DDU7F Datasheet(PDF) 1 Page - Data Delay Devices, Inc.

Part No. DDU7F
Description  10-TAP, TTL-INTERFACED FIXED DELAY LINE (SERIES DDU7F)
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Maker  DATADELAY [Data Delay Devices, Inc.]
Homepage  http://www.datadelay.com
Logo DATADELAY - Data Delay Devices, Inc.

DDU7F Datasheet(HTML) 1 Page - Data Delay Devices, Inc.

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DDU7F
Doc #97016
DATA DELAY DEVICES, INC.
1
1/29/97
3 Mt. Prospect Ave. Clifton, NJ 07013
10-TAP, TTL-INTERFACED
FIXED DELAY LINE
(SERIES DDU7F)
FEATURES
PACKAGES
Ten equally spaced outputs
Fits standard 14-pin DIP socket
Low profile
Auto-insertable
Input & outputs fully TTL interfaced & buffered
10 T
2L fan-out capability
FUNCTIONAL DESCRIPTION
The DDU7F-series device is a 10-tap digitally buffered delay line. The
signal input (IN) is reproduced at the outputs (T1-T10), shifted in time by an
amount determined by the device dash number. The nominal tap-to-tap
delay increment is given by 1/10 of the dash number. For dash numbers
less than 50, the total delay of the line is measured from T1 to T10, with the
nominal value given by 9 times the increment. The inherent delay from IN to T1 is nominally 3.5ns. For
dash numbers greater than or equal to 50, the total delay of the line is measured from IN to T10, with the
nominal value given by the dash number.
SERIES SPECIFICATIONS
Minimum input pulse width: 20% of total delay
Output rise time: 2ns typical
Supply voltage:
5VDC
± 5%
Supply current:
ICCL = 50ma typical
ICCH = 15ma typical
Operating temperature: 0
° to 70° C
Temp. coefficient of total delay: 100 PPM/
°C
10%
10%
10%
10%
VCC
GND
IN
T1
T2
T3
T4
T10
Functional diagram for dash numbers < 50
3.5ns
10%
10%
10%
10%
T5
T6
T7
T8
10%
T9
10%
10%
10%
10%
VCC
GND
IN
T1
T2
T3
T4
T10
Functional diagram for dash numbers >= 50
10%
10%
10%
10%
T5
T6
T7
T8
10%
T9
10%
©
©1997 Data Delay Devices
data
delay
devices, inc.
®
®
3
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN
T2
T4
T6
T8
T10
N/C
GND
VCC
T1
T3
T5
T7
T9
N/C
N/C
14
13
12
11
10
9
8
1
2
3
4
5
6
7
IN
N/C
T2
T4
T6
T8
GND
VCC
T1
T3
T5
T7
T9
T10
DDU7F-xx
DIP
DDU7F-xxA2 Gull-Wing
DDU7F-xxB2 J-Lead
DDU7F-xxM
Military DIP
Military SMD
DDU7F-xxMC3
PIN DESCRIPTIONS
IN
Signal Input
T1-T10 Tap Outputs
VCC
+5 Volts
GND
Ground
DASH NUMBER SPEC.’S
Part
Number
Total
Delay (ns)
Delay Per
Tap (ns)
DDU7F-10
9
± 2.0 *
1.0
± 0.5
DDU7F-20
18
± 2.0 *
2.0
± 1.0
DDU7F-25
22.5
± 2.0 *
2.5
± 1.0
DDU7F-50
50
± 2.5
5.0
± 2.0
DDU7F-100
100
± 5.0
10.0
± 3.0
DDU7F-150
150
± 7.5
15.0
± 3.0
DDU7F-200
200
± 10.0
20.0
± 3.0
DDU7F-250
250
± 12.5
25.0
± 3.0
DDU7F-300
300
± 15.0
30.0
± 3.0
DDU7F-400
400
± 20.0
40.0
± 4.0
DDU7F-500
500
± 25.0
50.0
± 5.0
* Total delay is referenced to first tap
Input to first tap = 3.5ns
±± 1ns
NOTE: Any dash number between 10 and
500 not shown is also available.


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