DDU7F-25B2 datasheet, PDF - EEWORLD Datasheet

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DDU7F-25B2: Description10-TAP, TTL-INTERFACED FIXED DELAY LINE (SERIES DDU7F); Categorylogic logic; File Size38KB，4 Pages; ManufacturerData Delay Devices; Environmental Compliance

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DDU7F-25B2 Overview

10-TAP, TTL-INTERFACED FIXED DELAY LINE (SERIES DDU7F)

DDU7F-25B2 Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Data Delay Devices
package instruction	SOC,
Reach Compliance Code	compli
Is Samacsys	N
JESD-30 code	R-XDSO-C14
JESD-609 code	e3
Logic integrated circuit type	PASSIVE DELAY LINE
Number of functions	1
Number of taps/steps	10
Number of terminals	14
Maximum operating temperature	70 °C
Minimum operating temperature
Output polarity	TRUE
Package body material	UNSPECIFIED
encapsulated code	SOC
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
programmable delay line	NO
Certification status	Not Qualified
Maximum seat height	8.89 mm
Maximum supply voltage (Vsup)	5.25 V
Minimum supply voltage (Vsup)	4.75 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
Temperature level	COMMERCIAL
Terminal surface	Tin (Sn)
Terminal form	C BEND
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
Total delay nominal (td)	26 ns
width	6.858 mm
Base Number Matches	1

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DDU7F

10-TAP, TTL-INTERFACED

FIXED DELAY LINE

(SERIES DDU7F)

FEATURES

•

Ten equally spaced outputs

Fits standard 14-pin DIP socket

Low profile

Auto-insertable

Input & outputs fully TTL interfaced & buffered

10 T

L fan-out capability

N/C

GND

data

delay

devices,

inc.

PACKAGES

VCC

T10

N/C

GND

VCC

N/C

DDU7F-xx

DDU7F-xxA2

DDU7F-xxB2

DDU7F-xxM

DIP

Gull-Wing

J-Lead

Military DIP

Military SMD

DDU7F-xxMC3

FUNCTIONAL DESCRIPTION

PIN DESCRIPTIONS

The DDU7F-series device is a 10-tap digitally buffered delay line. The

Signal Input

signal input (IN) is reproduced at the outputs (T1-T10), shifted in time by an

T1-T10 Tap Outputs

amount determined by the device dash number. The nominal tap-to-tap

VCC +5 Volts

delay increment is given by 1/10 of the dash number. For dash numbers

GND Ground

less than 50, the total delay of the line is measured from T1 to T10, with the

nominal value given by 9 times the increment. The inherent delay from IN to T1 is nominally 3.5ns. For

dash numbers greater than or equal to 50, the total delay of the line is measured from IN to T10, with the

nominal value given by the dash number.

SERIES SPECIFICATIONS

•

Minimum input pulse width:

20% of total delay

Output rise time:

2ns typical

Supply voltage:

5VDC

Supply current:

CCL

= 50ma typical

CCH

= 15ma typical

Operating temperature:

0° to 70° C

Temp. coefficient of total delay:

100 PPM/°C

3.5ns

10%

DASH NUMBER SPEC.’S

Part

Number

DDU7F-10

DDU7F-20

DDU7F-25

DDU7F-50

DDU7F-100

DDU7F-150

DDU7F-200

DDU7F-250

DDU7F-300

DDU7F-400

DDU7F-500

Total

Delay (ns)

2.0 *

22.5

2.0 *

2.5

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)

1.0

0.5

2.0

1.0

2.5

1.0

5.0

2.0

10.0

3.0

15.0

3.0

20.0

3.0

25.0

3.0

30.0

3.0

40.0

4.0

50.0

5.0

VCC IN

T10 GND

* Total delay is referenced to first tap

Input to first tap = 3.5ns

1ns

NOTE: Any dash number between 10 and

500 not shown is also available.

Functional diagram for dash numbers < 50

10%

VCC IN

T10 GND

Functional diagram for dash numbers >= 50

1997 Data Delay Devices

Doc #97016

1/29/97

DATA DELAY DEVICES, INC.

3 Mt. Prospect Ave. Clifton, NJ 07013

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