Samsung SRP-350PG Service Manual - Page 49

Logic ICs, 1-4 Other Semiconductor Chip - driver

Get Samsung SRP-350PG - SRP 350 B/W Direct Thermal Printer PDF manuals and user guides View all Samsung SRP-350PG manuals
Add to My Manuals
Save this manual to your list of manuals

Page 49 highlights

6 Reference Information 6-1 Semiconductor Base Diagram 6-1-3 Logic ICs 74HC02 74HC32 74HC74 /OE D0 D1 D2 D3 D4 D5 D6 D7 GND VCC Q0 Q1 Q2 74HC574 Q3 Q4 Q5 Q6 Q7 C 74HC574 FUNCTION TABLE INPUT /OC C D OUTPUT Q L H H H L H L L L L X Q0 H X X Z 6-1-4 Other Semiconductor Chip Low EMI Spectrum Spread Clock XIN XOUT REF_OFF LF VCC FS741 RS0 RS1 VSS Differential Bus Transceivers VCC RO DI GND A MAX488 B Z Y M51953B Voltage Detect System Reset IC OUTPUT DELAY CATACITOR GND N.C SUPPLY VOLYAGE INPUT DI H L MAX488 DRIVER OPERATION Y Z H L L H MAX488 RECEIVER DIFFERENTIAL INPUT A-B VID 0.2 V -0.2 V < VID < 0.2 V VID -0.2 V OUTPUT RO H ? L 6-4 Samsung Electro-Mechanics

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
6
Reference Information
6-4
6-1 Semiconductor Base Diagram
6-1-3 Logic ICs
74HC574 FUNCTION TABLE
INPUT
/OC
C
D
OUTPUT Q
L
H
H
H
L
H
L
L
L
L
X
Q0
H
X
X
Z
6-1-4 Other Semiconductor Chip
MAX488 DRIVER
MAX488 RECEIVER
OPERATION
INPUT
DI
Y
Z
DIFFERENTIAL INPUT
A-B
OUTPUT
RO
H
H
L
V
ID
±
0.2 V
H
L
L
H
-0.2 V < V
ID
< 0.2 V
?
V
ID
²
-0.2 V
L
74HC574
D0
/OE
D1
D3
D2
D4
D6
D5
D7
GND
VCC
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
C
XOUT
XIN
REF_OFF
LF
FS741
RS0
VCC
RS1
VSS
Low EMI Spectrum Spread Clock
RO
VCC
DI
GND
MAX488
B
A
Z
Y
Differential Bus Transceivers
DELAY CATACITOR
OUTPUT
GND
N.C
Voltage Detect System Reset IC
SUPPLY VOLYAGE
M51953B
74HC74
74HC32
74HC02
Samsung Electro-M
e
chanics