SM5837AF

SEIKO NPC CORPORATION —1

Variable-length 1H Delay Line LSI

OVERVIEW

The SM5837AF is a variable-length delay line LSI. It has 12-bit input/output signal which can be set to

undergo a delay in the range of 31 to 2078 delay bits. Maximum operating frequency is 40MHz, making it

ideal for use in video signal processing applications.

FEATURES

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Variable-length 1H delay

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12-bit input/output signal width

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31 to 2078- bit delay length range

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40MHz maximum operating frequency

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Selectable delay setting method

• 11-bit parallel input

• 3-line serial input

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TTL-compatible input/outputs

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Tristate outputs

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4.75 to 5.25V operating voltage

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Molybenum-gate CMOS process

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Package: 44-pin QFP

APPLICATIONS

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Video signal image processing

ORDERING INFORMATION

PINOUT

(Top view)

PACKAGE DIMENSIONS

(Unit: mm)

Device

Package

SM5837AF

44-pin QFP

1

2

3

4

5

6

7

8

9

10

11

23

24

25

26

27

28

29

30

31

32

33

DL0/SDI

DL1/SICK

DL2/LEN

DL3

DL4

VSS1

DL5

DL6

DL7

DL8

DL9

DI8

DI9

DI10

DI11

OE

CLK

VDD

DO11

DO10

DO9

DO8

10.00

0.80

12.80 ± 0.30

0.35 ± 0.10

0.60 ± 0.20