3D3438 datasheet, PDF - EEWORLD Datasheet

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3D3438: DescriptionMONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438); File Size95KB，6 Pages; ManufacturerData Delay Devices

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

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3D3438

MONOLITHIC 8-BIT

PROGRAMMABLE DELAY LINE

Super-Fine Resolution

(SERIES 3D3438)

FEATURES



All-silicon, low-power CMOS technology

TTL/CMOS compatible inputs and outputs

Vapor phase, IR and wave solderable

Leading- and trailing-edge accuracy

Programmable via serial or parallel interface

Increment range:

50ps through 250ps

Delay tolerance:

0.5% (See Table 1)

Supply current:

3mA typical

Temperature stability:

1.5%

max (-40C to 85C)

Vdd stability:

0.5%

max (3.0V to 3.6V)

PACKAGES

GND

SO/P0

GND

VDD

OUT

VDD

OUT

3D3438Z-xx SOIC8

GND

VDD

OUT

GND

3D3438S-xx SOW16

3D3438D-xx SOIC14

For mechanical dimensions, click

here.

For package marking details, click

here.

FUNCTIONAL DESCRIPTION

The 3D3438 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 3D3438 integrated circuit has been designed as a reliable, economic alternative to hybrid

TTL programmable delay lines. It is offered in a standard surface mount 16-pin SOL. An 8-pin SOIC

package is available for applications where the parallel interface is not needed. Similarly, a 14-pin SOIC is

offered for applications where the serial interface is not needed.

TABLE 1: PART NUMBER SPECIFICATIONS

PART

NUMBER

3D3438x-50

3D3438x-60

3D3438x-75

3D3438x-80

3D3438x-100

3D3438x-125

3D3438x-150

3D3438x-200

3D3438x-250

DELAYS AND TOLERANCES

Inherent

Delay (ns)

7.0



0.5

7.0



0.5

7.0



0.5

7.0



0.5

7.0



0.5

7.0



0.5

7.0



0.5

7.0



0.5

7.0



0.5

Delay

Range (ns)

12.750



.05

15.300



.06

19.125



.08

20.400



.08

25.500



.10

31.875



.13

38.250



.15

51.000



.20

63.750



.25

Delay

Step (ps)



100



125



150



200



100

250



125

Max Freq

(Addr=0)

150 MHz

INPUT RESTRICTIONS

Max Freq

(Addr=255)

98 MHz

82 MHz

65 MHz

61 MHz

49 MHz

39 MHz

32 MHz

24 MHz

19 MHz

Min P.Width

(Addr=0)

3.3 ns

Min P.Width

(Addr=255)

5.1 ns

6.1 ns

7.6 ns

8.1 ns

10.0 ns

12.7 ns

15.3 ns

20.4 ns

25.5 ns

NOTES: Replace the ‘x’ in the part number with D, S or Z, depending on choice of package.

Any dash number between 50 and 250 not shown is also available as standard.

See application notes section for more details

2010

Data Delay Devices

Doc #10005

7/8/2010

DATA DELAY DEVICES, INC.

3 Mt. Prospect Ave. Clifton, NJ 07013

3D3438 Related Products

	3D3438	3D3438x-100	3D3438x-125	3D3438x-150	3D3438x-200	3D3438x-250	3D3438x-50	3D3438x-60	3D3438x-75	3D3438x-80
Description	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)	MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D7438)

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