Sam4s ER-5200M Service Manual

6 Reference Information
6-6 SAM4S ER-5200 Series
6-1 Semiconductor Base Diagram
6-1-3 Logic ICs
Figure 6-10 74HC574
6-1-4 Other ICs
Figure 6-11 Transceivers DS75176B Specification
Figure 6-12 Motor Driver LB1838 Specification
T r u t h T a bl e
I N 1 , 2 E N A 1 , 2 O U T 1 , 3 O U T 2 , 4 M ode
L HH L F o r w a r d
HH L HR e v e r s e
LL OFF OFF S t andb y
H L OFF OFF S t andb y
DATA
INPUTS
D0
219
Q0
D1
D2
D3
D4
D5
D6
D7
CLOCK
OUTPUT ENABLE
3
4
5
6
7
8
9
11
1
18
17
16
15
14
13
12
Q1
Q2
Q3
Q4
Q5
Q6
Q7
NONINVERTING
OUTPUTS
PIN 20 = V
CC
PIN 10 = GND
FUNCTION TABLE
Inputs Output
OE Clock D Q
LHH
LLL
L L,H, X No Change
HXXZ
X = Don’t Care
Z = High Impedance
DS008759-1
F un c t ion T a bl es
DR IVE R
I N P U T E NAB LE
O U TP U TS
D D E
A B
H H H L
L H L H
X L Z Z
R E C EIVE R
D
IFFE R E N TI A L I N P U TS
E NAB LE O U TP U T
A ± B R E R
V
I
D
>= 0 . 2 V L H
- 0 . 2 V < V
I D
< 0 . 2 V
L ?
V
I
D
<= -
0 . 2 V
L L
X H Z
O pen L ?

Sam4s ER-5200M Specifications

General

Brand	Sam4s
Model	ER-5200M
Category	Cash Register
Language	English