R4=3.3KΩ

4) Signal level

 

 

LOW

:

0 V to +0.8 V

HIGH

:

+2.4 V to 5.0 V

5)Interface circuit

a)Receiving circuit

DATA STROBE and INPUT PRIME

+5V

R1

74LS19 or equivalent

 

R2

 

 

 

 

 

 

 

 

C

 

 

 

 

Signal name

R1

R2

C

 

DATA STROBE

3.3KΩ

100Ω

560pF

 

INPUT PRIME

3.3KΩ

1KΩ

0.001F

DATA BIT-1 to 8

+5V

R3=3.3KΩ

R3

74LS374 or equivalent

b) Sending circuit

+5V

R4

7407 or equivalent (Open collector)

40930701TH DRAFT Vesion

186 /

Page 167
Image 167
Oki 24DX manual 186, Low, High