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3D3428: DescriptionMONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438); File Size194KB，7 Pages; ManufacturerData Delay Devices

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3D3428 Overview

MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)

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3D3428

MONOLITHIC 8-BIT

PROGRAMMABLE DELAY LINE

(SERIES 3D3428 – LOW NOISE)

FEATURES

•

All-silicon, low-power CMOS technology

3.3V CMOS compatible inputs and outputs

Vapor phase, IR and wave solderable

Auto-insertable (DIP pkg.)

Leading- and trailing-edge accuracy

Programmable via serial or parallel interface

Increment range:

0.25 through 15.0ns

Delay tolerance:

0.5% (See Table 1)

Supply current:

2mA typical

Temperature stability:

±1.5%

max (-40C to 85C)

Vdd stability:

±1.0%

max (3.0V to 3.6V)

SO/P0

GND

data

delay

devices,

inc.

PACKAGES

VDD

OUT

GND

VDD

OUT



3D3428Z-xx SOIC

SO/P0

GND

VDD

OUT

3D3428-xx DIP

3D3428S-xx SOL

For mechanical dimensions, click

here.

For package marking details, click

here.

FUNCTIONAL DESCRIPTION

The 3D3428 device is a versatile 8-bit programmable monolithic delay

line. The input (IN) is reproduced at the output (OUT) without inversion,

shifted in time as per the user selection. Delay values, programmed

either via the serial or parallel interface, can be varied over 255 equal

steps according to the formula:

i,nom

= T

inh

+ i * T

inc

where i is the programmed address, T

inc

is the delay increment (equal

to the device dash number), and T

inh

is the inherent (address zero)

delay. The device features both rising- and falling-edge accuracy.

PIN DESCRIPTIONS

OUT

P0-P7

VDD

GND

Signal Input

Signal Output

Mode Select

Address Enable

Parallel Data Input

Serial Clock

Serial Data Input

Serial Data Output

+3.3 Volts

Ground

The all-CMOS 3D3428 integrated circuit has been designed as a reliable, economic alternative to hybrid

TTL programmable delay lines. It is offered in a standard 16-pin auto-insertable DIP and a surface mount

16-pin SOL. An 8-pin SOIC package is available for applications where the parallel interface is not needed.

TABLE 1: PART NUMBER SPECIFICATIONS

PART

NUMBER

3D3428-0.25

3D3428-0.5

3D3428-1

3D3428-1.5

3D3428-2

3D3428-2.5

3D3428-4

3D3428-5

3D3428-7.5

3D3428-10

3D3428-15

DELAYS AND TOLERANCES

Inherent

Delay (ns)

11.5

2.0

11.5

2.0

11.5

2.0

11.5

2.0

11.5

2.0

13.0

2.5

15.5

4.0

18.0

5.0

23.0

7.5

27.5

38.0

Delay

Range (ns)

63.75

0.4

127.5

0.8

255.0

1.5

382.5

2.3

510.0

2.0

637.5

2.5

1020

4.0

1275

4.0

1912.5

6.0

2550

8.0

3825

Delay

Step (ns)

0.25

0.15

0.50

0.25

1.00

0.50

1.50

0.75

2.00

1.00

2.50

1.25

4.00

2.00

5.00

2.50

7.50

3.75

10.0

5.00

15.0

7.50

Rec’d Max

Frequency

6.25 MHz

3.12 MHz

1.56 MHz

1.04 MHz

781 KHz

625 KHz

390 KHz

312 KHz

208 KHz

156 KHz

104 KHz

INPUT RESTRICTIONS

Absolute Max

Frequency

77 MHz

45 MHz

22 MHz

15 MHz

11 MHz

9.0 MHz

5.6 MHz

4.5 MHz

3.0 MHz

2.2 MHz

1.5 MHz

Rec’d Min

Pulse Width

80.0 ns

160.0 ns

320.0 ns

480.0 ns

640.0 ns

800.0 ns

1280.0 ns

1600.0 ns

2400.0 ns

3200.0 ns

4800.0 ns

Absolute Min

Pulse Width

6.5 ns

11.0 ns

22.0 ns

33.0 ns

44.0 ns

55.0 ns

88.0 ns

110.0 ns

165.0 ns

220.0 ns

330.0 ns

NOTES: Any delay increment between 0.25 and 15 ns not shown is also available as standard.

See application notes section for more details

2004

Data Delay Devices

Doc #04004

5/8/2006

DATA DELAY DEVICES, INC.

3 Mt. Prospect Ave. Clifton, NJ 07013

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