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 MDU13H
TRIPLE, ECL-INTERFACED FIXED DELAY LINE (SERIES MDU13H)
FEATURES
* * * * Three independent delay lines Fits standard 16-pin DIP socket Auto-insertable Input & outputs fully 10KH-ECL interfaced & buffered
GND 1 16 15 14 13 I1 I2 I3 VEE 5 6 7 8 O1 O2 O3
data 3 (R) delay devices, inc.
PACKAGES
GND
GND N/C N/C N/C I1 I2 I3 VEE
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
GND O1 O2 O3 N/C N/C N/C N/C
MDU13H-xx DIP MDU13H-xxM Military DIP
MDU13H-xxC3 SMD MDU13H-xxMC3 Mil SMD
FUNCTIONAL DESCRIPTION
The MDU13H-series device is a 3-in-1 digitally buffered delay line. The signal inputs (I1-I3) are reproduced at the outputs (O1-O3), shifted in time by an amount determined by the device dash number (See Table). The delay lines function completely independently of each other.
PIN DESCRIPTIONS
I1-I3 O1-O3 VEE GND Signal Inputs Signal Outputs -5 Volts Ground
SERIES SPECIFICATIONS
* * * * * * Minimum input pulse width: 50% 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 MDU13H-3 MDU13H-4 MDU13H-5 MDU13H-10 MDU13H-15 MDU13H-20 MDU13H-25 MDU13H-30 MDU13H-35 MDU13H-40 MDU13H-45 MDU13H-50 Delay Per Line (ns) 3 1.0 4 1.0 5 1.0 10 1.0 15 1.0 20 1.0 25 2.0 30 2.0 35 2.0 40 2.0 45 2.2 50 2.5
O1
O2
O3
100%
100%
100%
* Total delay is referenced to first tap output Input to first tap = 1.5ns 1ns NOTE: Any dash number between 3 and 50 not shown is also available.
VCC
I1
I2
I3
GND
Functional block diagram
(c)1997 Data Delay Devices
Doc #97037
12/11/97
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
1
MDU13H
APPLICATION NOTES
HIGH FREQUENCY RESPONSE
The MDU13H 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 50% of the total delay and periods as small as 100% 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 MDU13H 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 VEE VIN TSTRG TLEAD MIN -7.0 VEE - 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 VOH VOL VIH VIL IIH IIL MIN -1.020 -1.950 -1.480 475 0.5 TYP MAX -0.735 -1.600 -1.070 UNITS V V V V A A NOTES VIH = MAX,50 to -2V VIL = MIN, 50 to -2V
VIH = MAX VIL = MIN
Doc #97037
12/11/97
DATA DELAY DEVICES, INC.
Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com
2
MDU13H
PACKAGE DIMENSIONS
16 15 14 13
.400 TYP.
1 5 6 7 8
.800 TYP.
.020 .320 TYP. MAX. .150 .030 .018 TYP. .700 TYP. .100 TYP.
.010 TYP. .300 TYP.
MDU13H-xx (Commercial DIP) MDU13H-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
MDU13H-xxC3 (Commercial SMD) MDU13H-xxMC3 (Military SMD)
Doc #97037
12/11/97
DATA DELAY DEVICES, INC.
3 Mt. Prospect Ave. Clifton, NJ 07013
3
MDU13H
DELAY LINE AUTOMATED TESTING
TEST CONDITIONS
INPUT: Ambient Temperature: 25oC 3oC Supply Voltage (Vcc): -5.0V 0.1V Input Pulse: Standard 10KH ECL levels Source Impedance: 50 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 OUTPUT: Load: Cload: Threshold: 50 to -2V 5pf 10% (VOH + VOL) / 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 I1 I2 I3 DEVICE UNDER TEST (DUT) O1 O2 O3 IN TRIG OSCILLOSCOPE
Test Setup
PERIN PWIN TRISE INPUT SIGNAL
80% 50% 20%
TFALL VIH
80% 50% 20%
VIL TFALL
TRISE OUTPUT SIGNAL VOH
50%
50%
VOL
Timing Diagram For Testing
Doc #97037
12/11/97
DATA DELAY DEVICES, INC.
Tel: 973-773-2299 Fax: 973-773-9672 http://www.datadelay.com
4


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