DDU12H
Doc #97036 DATA DELAY DEVICES, INC. 1
2/2/2010 3 Mt. Prospect Ave. Clifton, NJ 07013
5-TAP, ECL-INTERFACED
FIXED DELAY LINE
(SERIES DDU12H)
FEATURES PACKAGES
• Ten equally spaced outputs
• Fits in 300 mil 32-pin DIP socket
• Input & outputs fully 10KH-ECL interfaced & buffered
FUNCTIONAL DESCRIPTION
The DDU12H-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 (See Table). For dash
numbers less than 20, the total delay of the line is measured from T1 to
T10. The nominal tap-to-tap delay increment is given by one-ninth of the
total delay, and the inherent delay from IN to T1 is nominally 1.5ns. For dash numbers greater than or
equal to 20, the total delay of the line is measured from IN to T10. The nominal tap-to-tap delay increment
is given by one-tenth of this number.
SERIES SPECIFICATIONS
• Minimum input pulse width: 10% of total delay
• Output rise time: 2ns typical
• Supply voltage: -5VDC ± 5%
• Power dissipation: 400mw typical (no load)
• Operating temperature: -30° to 85° C
• Temp. coefficient of total delay: 100 PPM/°C
10% 10% 10% 10%
VCC GNDIN T1 T2 T3 T4 T10
Functional diagram for dash numbers < 20
1.5ns 10% 10% 10% 10%
T5 T6 T7 T8
10%
T9
10% 10% 10% 10%
VCC GNDIN T1 T2 T3 T4 T10
Functional diagram for dash numbers >= 20
10% 10% 10% 10%
T5 T6 T7 T8
10%
T9
10%
1997 Data Delay Devices
d
a
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delay
devices, inc.
3
32
31
30
29
24
23
22
21
1
3
4
5
8
9
11
12
16
GND
T2
T4
IN
VEE
GND
T7
T9
VEE
GND
T1
T3
T5
GND
T6
T8
T10
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
GND
T2
T4
IN
N/C
VEE
GND
N/C
N/C
T7
T9
VEE
GND
T1
T3
T5
N/C
N/C
GND
N/C
N/C
T6
T8
T10
DDU12H-xx DIP
DDU12H-xxM Military DIP
DDU12H-xxC4 SMD
DDU12H-xxMC4 Mil SMD
PIN DESCRIPTIONS
IN Signal Input
T1-T10 Tap Outputs
VEE -5 Volts
GND Ground
DASH NUMBER SPECIFICATIONS
Part
Number
Total
Delay (ns)
Delay Per
Tap (ns)
DDU12H-10 9 ± 1.0 * 1.0 ± 0.3
DDU12H-20 20 ± 2.0 2.0 ± 0.4
DDU12H-25 25 ± 2.0 2.5 ± 0.4
DDU12H-40 40 ± 2.0 4.0 ± 0.5
DDU12H-50 50 ± 2.5 5.0 ± 1.0
DDU12H-75 75 ± 4.0 7.5 ± 1.5
DDU12H-100 100 ± 5.0 10.0 ± 2.0
DDU12H-150 150 ± 7.5 15.0 ± 2.0
DDU12H-200 200 ± 10.0 20.0 ± 2.0
DDU12H-250 250 ± 12.5 25.0 ± 2.0
DDU12H-300 300 ± 15.0 30.0 ± 2.0
DDU12H-400 400 ± 20.0 40.0 ± 2.0
DDU12H-500 500 ± 25.0 50.0 ± 2.5
DDU12H-750 750 ± 37.5 75.0 ± 4.0
DDU12H-1000 1000 ± 50.0 100.0 ± 5.0
DDU12H-1500 1500 ± 75.0 150.0 ± 7.0
* Total delay is referenced to first tap output
Input to first tap = 1.5ns ± 1ns
NOTE: Any dash number between 10 and 1500
not shown is also available.
DDU12H
Doc #97036 DATA DELAY DEVICES, INC. 2
2/2/2010 Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com
APPLICATION NOTES
HIGH FREQUENCY RESPONSE
The DDU12H tolerances are guaranteed for input
pulse widths and periods greater than those
specified in the test conditions. Although the
device will function properly for pulse widths as
small as 10% of the total delay and periods as
small as 20% of the total delay (for a symmetric
input), the delays may deviate from their values
at low frequency. However, for a given input
condition, the deviation will be repeatable from
pulse to pulse. Contact technical support at Data
Delay Devices if your application requires device
testing at a specific input condition.
POWER SUPPLY BYPASSING
The DDU12H relies on a stable power supply to
produce repeatable delays within the stated
tolerances. A 0.1uf capacitor from VEE to GND,
located as close as possible to the VEE pin, is
recommended. A wide VEE trace and a clean
ground plane should be used.
DEVICE SPECIFICATIONS
TABLE 1: ABSOLUTE MAXIMUM RATINGS
PARAMETER SYMBOL MIN MAX UNITS NOTES
DC Supply Voltage VEE -7.0 0.3 V
Input Pin Voltage VIN V
EE - 0.3 0.3 V
Storage Temperature TSTRG -55 150 C
Lead Temperature TLEAD 300 C 10 sec
TABLE 2: DC ELECTRICAL CHARACTERISTICS
(0C to 75C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
High Level Output Voltage VOH -1.020 -0.735 V
VIH = MAX,50Ω to -2V
Low Level Output Voltage VOL -1.950 -1.600 V
VIL = MIN, 50Ω to -2V
High Level Input Voltage VIH -1.070 V
Low Level Input Voltage VIL -1.480 V
High Level Input Current IIH 475
µA VIH = MAX
Low Level Input Current IIL 0.5
µA VIL = MIN
DDU12H
Doc #97036 DATA DELAY DEVICES, INC. 3
2/2/2010 3 Mt. Prospect Ave. Clifton, NJ 07013
PACKAGE DIMENSIONS
DDU12H-xx (Commercial DIP)
DDU12H-xxM (Military DIP)
.150
±.030
1.650 TYP.
1 345 8 1612119
.320
MAX.
.018
TYP.
.400
TYP.
.300
TYP.
.012 TYP.
.020
TYP.
29303132 21222324
.100
.200
.300
.400
.700
.800
.900
1.000
1.100
1.500
.075
DDU12H-xxC4 (Commercial SMD)
DDU12H-xxMC4 (Military SMD)
1.280
±
.020
.882
±.00
.020 TYP. .040 TYP.
.100.090
1.100
.320
MAX.
.590
MAX.
.010
±
.002
.050
±.01
.710
±.00 .007
±.00
1 2 3 4 5 6 78910 11 12
13141516
171819
20
21
22
23
24
DDU12H
Doc #97036 DATA DELAY DEVICES, INC. 4
2/2/2010 Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com
DELAY LINE AUTOMATED TESTING
TEST CONDITIONS
INPUT: OUTPUT:
Ambient Temperature: 25oC ± 3oC Load: 50Ω to -2V
Supply Voltage (Vcc): -5.0V ± 0.1V Cload: 5pf ± 10%
Input Pulse: Standard 10KH ECL Threshold: (VOH + VOL) / 2
levels (Rising & Falling)
Source Impedance: 50Ω Max.
Rise/Fall Time: 2.0 ns Max. (measured
between 20% and 80%)
Pulse Width: PWIN = 1.5 x Total Delay
Period: PERIN = 10 x Total Delay
NOTE: The above conditions are for test only and do not in any way restrict the operation of the device.
T1
OUT
TRIG
IN
REF
TRIG
Test Setup
DEVICE UNDER
TEST (DUT)
OSCILLOSCOPE
PULSE
GENERATOR
IN T2
T3
T4
T5
T6
T7
T8
T9
T10
Timing Diagram For Testing
TRISE TFALL
PERIN
PWIN
TRISE TFALL
20%20% 50%50%
80% 80%
50%50%
VIH
VIL
VOH
VOL
INPUT
SIGNAL
OUTPUT
SIGNAL
