MDU28C datasheet(2/4 Pages) DATADELAY

Part #	MDU28C

Description	DUAL, HCMOS-INTERFACED FIXED DELAY LINE

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Manufacturer	DATADELAY [Data Delay Devices, Inc.]

Direct Link	http://www.datadelay.com

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2 / 4 page

MDU28C

Doc #97040

DATA DELAY DEVICES, INC.

2

12/12/97

Tel: 973-773-2299

Fax: 973-773-9672

http://www.datadelay.com

APPLICATION NOTES

HIGH FREQUENCY RESPONSE

The MDU28C 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 100% of the total delay and periods as

small as 200% 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 MDU28C relies on a stable power supply to

produce repeatable delays within the stated

tolerances. A 0.1uf capacitor from VDD to GND,

located as close as possible to the VDD pin, is

recommended. A wide VDD 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

VDD

-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

3.98

4.4

V

VDD = 5.0, IOH = MAX

VIH = MIN, VIL = MAX

Low Level Output Voltage

VOL

0.15

0.26

V

VDD = 5.0, IOL = MAX

VIH = MIN, VIL = MAX

High Level Output Current

IOH

-4.0

mA

Low Level Output Current

IOL

4.0

mA

High Level Input Voltage

VIH

3.15

V

Low Level Input Voltage

VIL

1.35

V

Input Current

IIH

0.10

µA

VDD = 5.0

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