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PDF DDU18 Data sheet ( Hoja de datos )
| Número de pieza | DDU18 | |
| Descripción | ECL-INTERFACED FIXED DELAY LINE FIXED DELAY LINE | |
| Fabricantes | Data Delay Devices | |
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8-TAP, ECL-INTERFACED
FIXED DELAY LINE
(SERIES DDU18)
DDU18
ddaeltaay 3
devices, inc.
FEATURES
• Eight equally spaced outputs
GND 1
• Fits in 400 mil 24-pin DIP socket
• Input & outputs fully 100K-ECL interfaced & buffered
T1 3
T2 4
T3 5
GND 6
GND 7
T4 8
T5 9
T6 10
DDU18-xx DIP
T7 11
DDU18-xxM Military DIP T8 12
PACKAGES
24 IN
19 GND
18 VEE
13 GND
GND
N/C
T1
T2
T3
GND
GND
T4
T5
T6
T7
T8
1 24
2 23
3 22
4 21
5 20
6 19
7 18
8 17
9 16
10 15
11 14
12 13
IN
N/C
N/C
N/C
N/C
GND
VEE
N/C
N/C
N/C
N/C
GND
DDU18-xxC4 SMD
DDU18-xxMC4 Mil SMD
FUNCTIONAL DESCRIPTION
PIN DESCRIPTIONS
The DDU18-series device is a 8-tap digitally buffered delay line. The
IN Signal Input
signal input (IN) is reproduced at the outputs (T1-T8), shifted in time by an
T1-T8 Tap Outputs
amount determined by the device dash number (See Table). For dash
VEE -5 Volts
numbers less than 16, the total delay of the line is measured from T1 to
GND Ground
T8. The nominal tap-to-tap delay increment is given by one-seventh of the
total delay, and the inherent delay from IN to T1 is nominally 2.0ns. For dash numbers greater than or
equal to 16, the total delay of the line is measured from IN to T8. The nominal tap-to-tap delay increment is
given by one-eighth of this number.
SERIES SPECIFICATIONS
• Minimum input pulse width: 40% of total delay
• Output rise time: 2ns typical
• Supply voltage: -5VDC ± 5%
• Power dissipation: 500mw typical (no load)
• Operating temperature: 0° to 85° C
• Temp. coefficient of total delay: 100 PPM/°C
2.0ns 1/7 1/7 1/7 1/7 1/7 1/7 1/7
VCC IN T1 T2 T3 T4 T5 T6 T7 T8 GND
Functional diagram for dash numbers < 16
1/8 1/8 1/8 1/8 1/8 1/8 1/8 1/8
VCC IN T1 T2 T3 T4 T5 T6 T7 T8 GND
Functional diagram for dash numbers >= 16
2004 Data Delay Devices
DASH NUMBER SPECIFICATIONS
Part
Number
DDU18-4
DDU18-8
DDU18-12
DDU18-16
DDU18-20
DDU18-24
DDU18-32
DDU18-40
DDU18-48
DDU18-56
DDU18-64
DDU18-72
DDU18-80
DDU18-100
DDU18-120
DDU18-160
DDU18-200
Total
Delay (ns)
3.5 ± 1.0 *
7.0 ± 1.0 *
10.5 ± 1.0 *
16 ± 1.0
20 ± 1.0
24 ± 1.2
32 ± 1.6
40 ± 2.0
48 ± 2.4
56 ± 2.8
64 ± 3.2
72 ± 3.6
80 ± 4.0
100 ± 5.0
120 ± 6.0
160 ± 8.0
200 ± 10.0
Delay Per
Tap (ns)
0.5 ± 0.3
1.0 ± 0.4
1.5 ± 0.4
2.0 ± 0.5
2.5 ± 1.0
3.0 ± 1.5
4.0 ± 2.0
5.0 ± 2.0
6.0 ± 2.0
7.0 ± 2.0
8.0 ± 2.0
9.0 ± 2.0
10.0 ± 2.5
12.5 ± 2.5
15.0 ± 3.0
20.0 ± 4.0
25.0 ± 5.0
* Total delay is referenced to first tap output
Input to first tap = 2.0ns ± 1ns
NOTE: Any dash number between 4 and 200
not shown is also available.
Doc #97041
5/5/04
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet DDU18.PDF ] | |
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