SCD55100A, SCD55101A, SCD55102A, SCD55103A, SCD55104A

2006-02-20

6

Dot Matrix Format

mm (inch)

Pin Assignment

Pin

Function

Pin

Function

1

SDCLK

28

GND

2

LOAD

27

DATA

3

NC

26

NC

4

NC

25

NC

5

NC

24

NC

6

V

CC

23

V

CC

7

NP

22

NP

8

NP

21

NP

9

V

CC

20

V

CC

10

NC

19

V

CC

11

NC

18

NC

12

NC

17

NC

13

RST

16

CLKSEL

14

GND

15

CLK I/O

Switching Specifications

(over operating temperature range and V

Symbol

Description

Min.

Units

Reset Active Time

600

ns

Load Setup Time

50

ns

Data Setup Time

50

ns

Clock Period

200

ns

Clock Width

70

ns

Load Hold Time

0

ns

Data Hold Time

25

ns

Total Write Time

2.2

µs

Time Between Loads

600

ns

Note: T

The SDCLK period must be a minimum of 200 ns.

IDOD5212

C0 C1 C2 C3 C4

R0

R1

R3

R4

R5

0.56 (0.022) typ.

2.03 (0.080)

Tolerance: ±0.25 (0.010)

Pin Definitions

Pin

Function

Definitions

1

SDCLK

Loads data into the 8-bit serial data register

on a low to high transition.

2

LOAD

Low input enables data clocking into 8-bit

serial shift register. When LOAD goes high,

the contents of 8-bit serial Shift Register will

be decoded.

3

NC

No connection

4

NC

No connection

5

NC

No connection

6

V

CC

Power supply/heat sink

7

NP

No pin

8

NP

No pin

9

V

CC

Power supply/heat sink

10

NC

No connection

11

NC

No connection

12

NC

No connection

13

RST

Asynchronous input, when low will clear the

Multiplex Counter, User RAM and Data

Register. Control Word Register is set to

100% brightness and the Address Register is

set to select Digit 0. The display is blanked.

14

GND

Power supply ground

15

CLK I/O

Outputs master clock or inputs external clock.

16

CLKSEL

H=internal clock, L=external clock

17

NC

No connection

18

NC

No connection

19

V

CC

Power supply/heat sink

20

V

CC

Power supply/heat sink

21

NP

No pin

22

NP

No pin

23

V

CC

Power supply/heat sink

24

NC

No connection

25

NC

No connection

26

NC

No connection

27

DATA

Serial data input

28

GND

Power supply ground