M7F

12

Operation

■ Operation Timing (Input Signal Timing)

Dynamic Input Method (M7F-

@D@@@)

■ Operation Chart

Dynamic Input Method (M7F-

@D@@@)

The following example shows the relationship between each input terminal and the display condition. (Example: 5-digit)

ts

tw

th

Data latch

Data input

signals A to D

Strobe input

(S0 to S4)

Data latch

Data read

H

L

Pulse duration (tw) 1.5 ms

Hold time (th)

0.75 ms

Setup time (ts)

2.25 ms

Display

condition

H

L

H

L

H

L

H

L

H

L

Data contents

5

3

1

8

9

A numeric value is

displayed one digit at a

time via data signals A

to D.

Data input

signals

(A to D)

(S0)

(S1)

(S2)

(S3)

(S4)

1st-digit display change

2nd-digit display change

3rd-digit display change

4th-digit display change

5th-digit display change

Data read

Data latch

Data latch

Data read

Data latch

Data latch

Data read

Data latch

Data latch

Data read

Data latch

Data latch

Data read

Data latch

Data input signals

Strobe input signals