SED1278D EPSON [Epson Company], SED1278D Datasheet - Page 2

• Manufacturer Part Number: SED1278D
• Description: Dot Matrix LCD Controller Driver
• Manufacturer: EPSON [Epson Company]

2
ABSOLUTE MAXIMUM RATINGS
PIN CONFIGURATION
PIN DESCRIPTION
QFP5-80pin
Note: The following condition must always hold true: V
Supply voltage (1)
Supply voltage (2)
Input voltage
Output voltage
Power dissipation
Operating temperature
Storage temperature
Soldering temperature and time
COM 1 to COM16
SEG1 to SEG40
DB0 to DB7
V1 to V5
Symbol
OSC1
OSC2
XSCL
R/W
V
V
DO
RS
FR
LP
E
DD
SS
Rating
1
No. of signals
RS
0
0
1
1
16
40
1
1
1
8
1
1
1
1
5
1
1
2
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
V
Symbol
R/W
1
V
T
T
T
Register select signal
Read/write select signal
Read/write execute signal
Data bus
Data latching pulse
Data transfer clock
LCD AC driving signal
Serial data
Common outputs
COM9 to COM16: non-select for 1/8 duty
COM12 to COM16: non-select for 1/11 duty
Segment outputs
LCD driving power (V
+5V
0V (GND)
Used to connect resistor (typ. 91K-ohms) for oscillation;
OSC1 is for external clock input.
V
P
0
1
0
1
V
65
70
75
80
to V
DD
opr
stg
sol
O
D
1
I
5
60
5
INDEX
SED1278F
55
DD
10
E
1
1
V
1
50
15
V
2
5
V
V
45
20
3
SS
V
Instruction write cycle
Busy flag read cycle
Address counter read cycle
DD RAM or CG RAM data write cycle
DD RAM or CG RAM data read cycle
260 C•10s (at lead)
)
4
40
35
30
25
–0.3 to V
–0.3 to V
–0.3 to V
Function
V
–0.3 to 7.0
–65 to 150
5
–20 to 75
Value
DB1
DB0
E
R/W
RS
D0
FR
V
XSCL
LP
V5
V4
V3
V2
V1
OSC2
300
DD
DD
DD
DD
+0.3
+0.3
+0.3
Operation
SED1278F/D
(V
SS
= 0V, Ta = 25 C)
Unit
mW
—
1
V
V
V
V
C
C