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DDU222F Datasheet(PDF) 2 Page - Data Delay Devices, Inc.

Part No. DDU222F
Description  5-TAP, TTL-INTERFACED FIXED DELAY LINE (SERIES DDU222F)
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Maker  DATADELAY [Data Delay Devices, Inc.]
Homepage  http://www.datadelay.com
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DDU222F Datasheet(HTML) 2 Page - Data Delay Devices, Inc.

   
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DDU222F
Doc #97011
DATA DELAY DEVICES, INC.
2
1/27/97
Tel: 973-773-2299
Fax: 973-773-9672
http://www.datadelay.com
APPLICATION NOTES
HIGH FREQUENCY RESPONSE
The DDU222F 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 40% of the total delay and periods as
small as 80% 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 DDU222F relies on a stable power supply to
produce repeatable delays within the stated
tolerances. A 0.1uf capacitor from VCC to GND,
located as close as possible to the VCC pin, is
recommended. A wide VCC 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
VCC
-0.3
7.0
V
Input Pin Voltage
VIN
-0.3
VDD+0.3
V
Storage Temperature
TSTRG
-55
150
C
Lead Temperature
TLEAD
300
C
10 sec
TABLE 2: DC ELECTRICAL CHARACTERISTICS
(0C to 70C, 4.75V to 5.25V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
High Level Output Voltage
VOH
2.5
3.4
V
VCC = MIN, IOH = MAX
VIH = MIN, VIL = MAX
Low Level Output Voltage
VOL
0.35
0.5
V
VCC = MIN, IOL = MAX
VIH = MIN, VIL = MAX
High Level Output Current
IOH
-1.0
mA
Low Level Output Current
IOL
20.0
mA
High Level Input Voltage
VIH
2.0
V
Low Level Input Voltage
VIL
0.8
V
Input Clamp Voltage
VIK
-1.2
V
VCC = MIN, II = IIK
Input Current at Maximum
Input Voltage
IIHH
0.1
mA
VCC = MAX, VI = 7.0V
High Level Input Current
IIH
20
µA
VCC = MAX, VI = 2.7V
Low Level Input Current
IIL
-0.6
mA
VCC = MAX, VI = 0.5V
Short-circuit Output Current
IOS
-60
-150
mA
VCC = MAX
Output High Fan-out
25
Unit
Output Low Fan-out
12.5
Load


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