3D3418G View Datasheet(PDF) - Data Delay Devices

Part Name

Description

Manufacturer

3D3418G

MONOLITHIC 8-BIT PROGRAMMABLE DELAY LINE (SERIES 3D3418 – LOW NOISE)

Data Delay Devices 

ENABLE

(AE)

CLOCK

(SC)

SERIAL

INPUT

(SI)

SERIAL

OUTPUT

(SO)

DELAY

TIME

APPLICATION NOTES (CONT’D)

tEW

tES

tCW tCW

tEH

3D3418

tDSC

NEW

BIT 7

tEGV

OLD

BIT 7

tDHC

NEW

BIT 6

tCQV

OLD

BIT 6

tCQX

PREVIOUS VALUE

Figure 4: Serial mode (MD=0)

NEW

BIT 0

OLD

BIT 0

tEDX

tEQZ

tEDV

NEW

VALUE

FROM

WRITING

DEVICE

3D3418

SI

SO

SC AE

3D3418

SI

SO

SC AE

3D3418

SI

SO

SC AE

TO

NEXT

DEVICE

Figure 5: Cascading Multiple Devices

TABLE 2: DELAY VS. PROGRAMMED ADDRESS

PARALLEL

SERIAL

STEP 0

STEP 1

STEP 2

STEP 3

STEP 4

STEP 5

PROGRAMMED ADDRESS

NOMINAL DELAY (NS)

P7 P6 P5 P4 P3 P2 P1 P0 3D3418 DASH NUMBER

Msb

Lsb

-.25

-.5

-1

-2

-5

0 00 0 0 0 0

0

19.50 19.5 19.5 20 20

0 00 0 0 0 0

1

19.75 20.0 20.5 22 25

0 00 0 0 0 1

0

20.00 20.5 21.5 24 30

0 00 0 0 0 1

1

20.25 21.0 22.5 26 35

0 00 0 0 1 0

0

20.50 21.5 23.5 28 40

0 00 0 0 1 0

1

20.75 22.0 24.5 30 45

STEP 253

1 11 1 1 1 0

1

82.75 146.0 272.5 526 1285

STEP 254

1 11 1 1 1 1

0

83.00 146.5 273.5 528 1290

STEP 255

1 11 1 1 1 1

1

83.25 147.0 274.5 530 1295

DELAY CHANGE

63.75 127.5 255 510 1275

Doc #02006

DATA DELAY DEVICES, INC.

5

10/28/02

3 Mt. Prospect Ave. Clifton, NJ 07013

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