DDU11H
5-TAP, ECL-INTERFACED
FIXED DELAY LINE
(SERIES DDU11H)
FEATURES
•
•
•
•
Five equally spaced outputs
Fits standard 16-pin DIP socket
Auto-insertable
Input & outputs fully 10KH-ECL interfaced & buffered
GND
T2
T4
IN
1
3
4
5
16
15
14
13
T1
T3
T5
data
3
®
delay
devices,
inc.
PACKAGES
GND
GND
N/C
T2
T4
IN
N/C
N/C
VEE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
T1
T3
T5
N/C
N/C
N/C
N/C
VEE
8
DDU11H-xx DIP
DDU11H-xxM Military DIP
DDU11H-xxC3 SMD
DDU11H-xxMC3 Mil SMD
FUNCTIONAL DESCRIPTION
PIN DESCRIPTIONS
IN
Signal Input
The DDU11H-series device is a 5-tap digitally buffered delay line. The
T1-T5 Tap Outputs
signal input (IN) is reproduced at the outputs (T1-T5), shifted in time by an
VEE
-5 Volts
amount determined by the device dash number (See Table). For dash
GND Ground
numbers less than 10, the total delay of the line is measured from T1 to
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 1.5ns. For dash numbers greater than or
equal to 10, 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%
Power dissipation:
200mw typical (no load)
Operating temperature:
-30° to 85° C
Temp. coefficient of total delay:
100 PPM/°C
DASH NUMBER SPECIFICATIONS
Part
Number
DDU11H-4
DDU11H-5
DDU11H-8
DDU11H-10
DDU11H-20
DDU11H-25
DDU11H-50
DDU11H-75
DDU11H-100
DDU11H-150
DDU11H-200
DDU11H-250
DDU11H-300
DDU11H-400
DDU11H-500
Total
Delay (ns)
2
±
1.0 *
4
±
1.0 *
6
±
2.0 *
10
±
2.0
20
±
3.0
25
±
3.0
50
±
3.0
75
±
4.0
100
±
5.0
150
±
7.5
200
±
10.0
250
±
12.5
300
±
15.0
400
±
20.0
500
±
25.0
Delay Per
Tap (ns)
0.5
±
0.3
1.0
±
0.3
1.5
±
0.4
2.0
±
0.4
5.0
±
1.0
5.0
±
2.0
10.0
±
2.0
15.0
±
2.0
20.0
±
2.0
30.0
±
2.0
40.0
±
2.0
50.0
±
2.5
60.0
±
3.0
80.0
±
4.0
100.0
±
5.0
1.5ns
25%
25%
25%
25%
VCC IN
T1
T2
T3
T4
T5 GND
Functional diagram for dash numbers < 10
20%
20%
20%
20%
20%
* Total delay is referenced to first tap output
Input to first tap = 1.5ns
±
1ns
NOTE: Any dash number between 4 and 500
not shown is also available.
VCC IN
T1
T2
T3
T4
T5 GND
Functional diagram for dash numbers >= 10
©
1997 Data Delay Devices
Doc #97035
12/10/97
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
DDU11H
APPLICATION NOTES
HIGH FREQUENCY RESPONSE
The DDU11H 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 20% of the total delay and periods as
small as 40% 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 DDU11H 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
DC Supply Voltage
Input Pin Voltage
Storage Temperature
Lead Temperature
SYMBOL
V
EE
V
IN
T
STRG
T
LEAD
MIN
-7.0
V
EE
- 0.3
-55
MAX
0.3
0.3
150
300
UNITS
V
V
C
C
NOTES
10 sec
TABLE 2: DC ELECTRICAL CHARACTERISTICS
(0C to 75C)
PARAMETER
High Level Output Voltage
Low Level Output Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
SYMBOL
V
OH
V
OL
V
IH
V
IL
I
IH
I
IL
MIN
-1.020
-1.950
-1.480
475
0.5
TYP
MAX
-0.735
-1.600
-1.070
UNITS
V
V
V
V
µA
µA
NOTES
V
IH
= MAX,50Ω to -2V
V
IL
= MIN, 50Ω to -2V
V
IH
= MAX
V
IL
= MIN
Doc #97035
12/10/97
DATA DELAY DEVICES, INC.
Tel: 973-773-2299
Fax: 973-773-9672
http://www.datadelay.com
2
DDU11H
PACKAGE DIMENSIONS
16 15 14 13
.400
TYP.
1
3
4
5
8
.800 TYP.
.020 .320
TYP. MAX.
.150
±.030
.018
TYP.
.100
TYP.
.700 TYP.
.010 TYP.
.300
TYP.
DDU11H-xx (Commercial DIP)
DDU11H-xxM (Military DIP)
.020 TYP.
16 15 14 13 12 11 10
9
.040
TYP.
.010±.002
.710 .590
±.005
MAX.
.882
±.005
.007
±.005
1
2
3
4
5
6
7
8
.090
.700
.880±.020
.100
.280
MAX.
.050
±.010
DDU11H-xxC3 (Commercial SMD)
DDU11H-xxMC3 (Military SMD)
Doc #97035
12/10/97
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
3
DDU11H
DELAY LINE AUTOMATED TESTING
TEST CONDITIONS
INPUT:
Ambient Temperature:
25
o
C
±
3
o
C
Supply Voltage (Vcc):
-5.0V
±
0.1V
Input Pulse:
Standard 10KH ECL
levels
Source Impedance:
50Ω Max.
Rise/Fall Time:
2.0 ns Max. (measured
between 20% and 80%)
Pulse Width:
PW
IN
= 1.5 x Total Delay
Period:
PER
IN
= 10 x Total Delay
OUTPUT:
Load:
C
load
:
Threshold:
50Ω to -2V
5pf
±
10%
(V
OH
+ V
OL
) / 2
(Rising & Falling)
NOTE:
The above conditions are for test only and do not in any way restrict the operation of the device.
REF
PULSE
GENERATOR
OUT
TRIG
IN
DEVICE UNDER
TEST (DUT)
T1
T2
T3
T4
T5
IN
TRIG
OSCILLOSCOPE
Test Setup
PER
IN
PW
IN
T
RISE
INPUT
SIGNAL
80%
50%
20%
T
FALL
V
IH
80%
50%
20%
V
IL
T
FALL
T
RISE
OUTPUT
SIGNAL
V
OH
50%
50%
V
OL
Timing Diagram For Testing
Doc #97035
12/10/97
DATA DELAY DEVICES, INC.
Tel: 973-773-2299
Fax: 973-773-9672
http://www.datadelay.com
4
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