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SED1200F Datasheet, PDF (2/6 Pages) Epson Company – Dot Matrix LCD Controller Driver
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SED1200F
s PIN CONFIGURATION
QFP1-80pin
SEG33
SEG32
64
60
65
50
41
40
SEG31
SEG30
SEG29
SEG28
70
SEG27
SEG26
SEG25
SED1200F
SEG24
30
SEG23
75
INDEX
SEG22
SEG21
SEG20
SEG19
SEG18
1
24
s ABSOLUTE MAXIMUM RATINGS
Rating
Supply voltage (1)
Supply voltage (2)
Input voltage
Output voltage
Operating temperature
Storage temperature
Symbol
VDD
VLCD
VI
VO
Topr
Tstg
s PIN DESCRIPTION
Pin No. Pin Name I/O
Function
18 to 25 COM1 to
40 to 47 COM16
O
LCD Common output
17 to 1 SEG1 to
80 to 48 SEG 50
O
LCD Segment output
COM9
VDD
VLCD
VSS
DB0
DB1
DB2
DB3
OSC1
OSC2
CLK
WR
RD
CS
A0
COM8
27
CS
I
28
RD
I
29
WR
I
26
A0
I
36 to 33 DB0 to DB3 I, I/O
30
CLK
I
32, 31 OSC1, OSC2 —
Chip select input (active "Low")
Read enable input
(active "Low")
Write enable input
(active "Low" to "High")
"High" ; Set character code.
"Low" ; Command
Data input
(except DB3 ; Data input/output)
Clock for command
Connect oscillation resistor
39
VDD
— Supply voltage (+5V) for logic
37
VSS
— GND (0V)
38
VLCD
— Supply voltage for LCD
Value
–0.3 to+7.0
VDD–7.0 to VDD+0.3
–0.3 to VDD+0.3
–0.3 to VDD+0.3
–10 to+70
–65 to+150
(VSS = 0V)
Unit
V
V
V
V
°C
°C
s ELECTRICAL CHARACTERISTICS
q AC Characteristics (Read cycle)
Characteristic
Symbol
A0 setup time to RD
tAR
CS setup time to RD
tCR
Output delay time from RD
tRD
A0 hold time after RD
tRA
CS hold time after RD
tRC
Data hold time
tRH
Read pulse width
tRP
Input fall time
tHL
Input rise time
tLH
q AC Characteristics (Write cycle)
Characteristic
A0 setup time to WR
CS setup time to WR
Data setup time
A0 hold time after WR
CS hold time afrer WR
Data hold time
Write pulse width
Input fall time
Input rise time
Symbol
tAW
tCW
tDS
tWA
tWC
tDH
tWP
tHL
tLH
Condition
Condition
(VDD = 5V±10%, VSS = 0V, Ta = –10 to+70°C)
Min.
Typ.
Max.
Unit
0
—
—
ns
0
—
—
ns
—
—
250
ns
20
—
—
ns
20
—
—
ns
10
—
—
ns
350
—
—
ns
—
—
50
ns
—
—
50
ns
(VDD = 5V±10%, VSS = 0V, Ta = –10 to+70°C)
Min.
Typ.
Max.
Unit
0
—
—
ns
0
—
—
ns
120
—
—
ns
20
—
—
ns
20
—
—
ns
20
—
—
ns
200
—
—
ns
—
—
50
ns
—
—
50
ns
q Timing Chart
(Read cycle)
(Write cycle)
A0
CS
tAR
tRA
RD tCR
DB3
tRP
tRD
tRC
tRH
2.4V
0.4V
Input
(A0, CS, RD, CLK)
tHL
2.0V
0.8V
tLH
2
A0
CS
DB0 to DB3
WR
tCW
Input
(A0, CS, WR
DB0 to DB3, CLK)
tDS
tWP
tHL
tDH
tDS
tAW
tWP
2.0V
0.8V
tLH
tDH
tWC
tWA
 ▷