SM5837AF

SEIKO NPC CORPORATION —2

BLOCK DIAGRAM

PIN DESCRIPTION

Number

Name

Function

1

DL0/SDI

Ip

Delay length set parallel data bit DL0 (LSB) when PARA is HIGH, and SDI serial data input when PARA is LOW.

2

DL1/SICK

Ip

Delay length set parallel data bit DL1 (bit 1) when PARA is HIGH, and SICK shift clock when PARA is LOW.

3

DL2/LEN

Ip

Delay length set parallel data bit DL2 (bit 2) when PARA is HIGH, and LEN latch clock when PARA is LOW.

4

DL3

Ip

Delay length set data bit 3

5

DL4

Ip

Delay length set data bit 4

6

VSS1

–

Ground (0V) pin 1

7

DL5

Ip

Delay length set data bit 5

8

DL6

Ip

Delay length set data bit 6

9

DL7

Ip

Delay length set data bit 7

10

DL8

Ip

Delay length set data bit 8

11

DL9

Ip

Delay length set data bit 9

12

DL10

Ip

Delay length set data bit 10

13

DO0

O

Signal output data bit 0

14

DO1

O

Signal output data bit 1

15

DO2

O

Signal output data bit 2

16

DO3

O

Signal output data bit 3

17

VSS2

–

Ground (0V) pin 2

18

DO4

O

Signal output data bit 4

19

DO5

O

Signal output data bit 5

20

DO6

O

Signal output data bit 6

21

DO7

O

Signal output data bit 7

Variable-length

12-bit

1H Delay

Delay Length Control

DI0 - 11

SDI

SICK

LEN

VSS2

VDD

OE

DO0 - 11

Parallel/Serial Select

SIPO

CLK

RSTN

PARA

DL0 - 10

VSS1

11

11

11

12

12

12