DDU4F
5-TAP, TTL-INTERFACED
FIXED DELAY LINE
(SERIES DDU4F)
FEATURES
•
•
•
•
•
•
Five equally spaced outputs
Fits standard 14-pin DIP socket
Low profile
Auto-insertable
Input & outputs fully TTL interfaced & buffered
10 T L fan-out capability
2
data
3
®
delay
devices,
inc.
PACKAGES
IN
1
14
12
T2
T4
GND
4
10
6
7
8
T5
T3
VCC
T1
IN
N/C
N/C
T2
N/C
T4
GND
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VDD
N/C
T1
N/C
T3
N/C
T5
DDU4F-xx
DDU4F-xxA2
DDU4F-xxB2
DDU4F-xxM
DIP
Gull-Wing
J-Lead
Military DIP
Military SMD
DDU4F-xxMC2
FUNCTIONAL DESCRIPTION
PIN DESCRIPTIONS
The DDU4F-series device is a 5-tap digitally buffered delay line. The
IN
Signal Input
signal input (IN) is reproduced at the outputs (T1-T5), shifted in time by an
T1-T5 Tap Outputs
amount determined by the device dash number (See Table). For dash
VCC
+5 Volts
numbers less than 5025, the total delay of the line is measured from T1 to
GND Ground
T5. The nominal tap-to-tap delay increment is given by one-fourth of the
total delay, and the inherent delay from IN to T1 is nominally 3.5ns. For
dash numbers greater than or equal to 5025, the total delay of the line is measured from IN to T5. The
nominal tap-to-tap delay increment is given by one-fifth of this number.
SERIES SPECIFICATIONS
•
•
•
•
•
•
Minimum input pulse width:
20% of total delay
Output rise time:
2ns typical
Supply voltage:
5VDC
±
5%
Supply current:
I
CCL
= 32ma typical
I
CCH
= 7ma typical
Operating temperature:
0° to 70° C
Temp. coefficient of total delay:
100 PPM/°C
3.5ns
25%
25%
25%
25%
DASH NUMBER SPECIFICATIONS
Part
Number
DDU4F-5004
DDU4F-5006
DDU4F-5008
DDU4F-5010
DDU4F-5012
DDU4F-5016
DDU4F-5020
DDU4F-5025
DDU4F-5030
DDU4F-5040
DDU4F-5050
DDU4F-5060
DDU4F-5075
DDU4F-5100
DDU4F-5125
DDU4F-5150
DDU4F-5200
DDU4F-5250
DDU4F-5300
DDU4F-5400
DDU4F-5500
Total
Delay (ns)
4
±
1.0 *
6
±
1.0 *
8
±
2.0 *
10
±
2.0 *
12
±
2.0 *
16
±
2.0 *
20
±
3.0 *
25
±
3.0
30
±
3.0
40
±
3.0
50
±
3.0
60
±
3.0
75
±
4.0
100
±
5.0
125
±
6.5
150
±
7.5
200
±
10.0
250
±
12.5
300
±
15.0
400
±
20.0
500
±
25.0
Delay Per
Tap (ns)
1.0
±
0.5
1.5
±
0.5
2.0
±
1.0
2.5
±
1.0
3.0
±
1.0
4.0
±
1.5
5.0
±
2.0
5.0
±
2.0
6.0
±
2.0
8.0
±
2.0
10.0
±
3.0
12.0
±
3.0
15.0
±
3.0
20.0
±
3.0
25.0
±
3.0
30.0
±
3.0
40.0
±
4.0
50.0
±
5.0
60.0
±
6.0
80.0
±
8.0
100.0
±
10.0
VCC IN
T1
T2
T3
T4
T5 GND
Functional diagram for dash numbers < 5025
20%
20%
20%
20%
20%
VCC IN
T1
T2
T3
T4
T5 GND
Functional diagram for dash numbers >= 5025
©
1997 Data Delay Devices
* Total delay is referenced to first tap output
Input to first tap = 3.5ns
±
1ns
NOTE: Any dash number between 5004 and 5500
not shown is also available.
Doc #97033
12/10/97
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
DATADELAY [ DATA DELAY DEVICES, INC. ]
