KF2004-GL50A Datasheet, PDF (2/3 Pages) Rohm – Thick film thermal printhead (8 dots / mm)

Printheads
zEquivalent circuits
VH
P-GND
L-GND
VDD
STB4
STB3
STB2
STB1
LAT
KF2004-GL50A
DOT #832
DOT #1
13
12 11 10
9
8
7
6
5
4
3
2
1
64 OUTPUT EACH
LATCH REGISTER
CLK
DI4
DO4
DI3
DO3
DI2
DO2
DI1
DO1
TM
TM
CONNECTOR A / B
SHIFT
REGISTER
SHIFT
REGISTER
SHIFT
REGISTER
THERMISTOR
30kΩ B : 3950
DI No.
DI1
DI2
DI3
DI4
DOT No.
1~256
257~448
449~640
641~832
STB No.
STB1
STB2
STB3
STB4
DOT No.
1~256
257~448
449~640
641~832
SHIFT
REGISTER
Fig.1
zPin assignments
CONNECTOR A
No. Circuit No.
1
L-GND 11
2
VDD
12
3
L-GND 13
4
VDD
14
5
STB4
15
6
CLK
16
7
DI4
17
8
DO4
18
9
STB3
19
10
LAT
20
Circuit
TM
TM
DI3
DO3
DI2
DO2
STB2
STB1
DI1
DO1
CONNECTOR B
No. Circuit
1
VH
2
VH
3
VH
4
P-GND
5
P-GND
6
P-GND
L-GND: LOGIC GROUND
P-GND: POWER GROUND