SED1526 EPSON [Epson Company], SED1526 Datasheet - Page 9

• Manufacturer Part Number: SED1526
• Description: Dot Matrix LCD Controller Driver
• Manufacturer: EPSON [Epson Company]

• Current consumption I
*1
*2
*3
*4
*5
*6
*7
*8
*9
*10 If the triple voltage by the built-in power circuit are used the V
*11 The V
*12 Applied if the built-in oscillation circuit is used and if not accessed by the MPU.
*13 Applied if the built-in oscillation circuit and the built-in power circuit are used, and if not accessed by the MPU.
Input voltage
Booster output voltage
Voltage regulator circuit
operating voltage
Voltage follower operating
voltage
Reference voltage
Although the wide range of operating voltage is guaranteed, a spike voltage change during access to the MPU is not guaranteed.
The operating voltage range of the V
The operating voltage range is applied if an external power supply is used.
Pins D0 to D5, A0, CS1, CS2, RD (E), WR (R/W), M/S, CL, and FR
Pins D0 to D7, FR, and CL
Pins SI (D7), SCL (D6), SR1, and SR2
Pins A0, RD (E), WR (R/W), CS1, CS2, M/S, SR1, and SR2
Applied if pins D0 to D7, FR, and CL are high impedance.
For the relationship between CL output frequency and frames, see Figure 7.
For the relationship between CL output frequency and power voltage, see Figure 8.
For the relationship between CL output frequency and temperature, see Figure 11.
The resistance when the 0.1-volt voltage is applied between the SEG and COM output terminals and each power terminal (V
or V
The current flowing through the voltage regulator resistors (R1, R2 and R3) is not included.
When the built-in voltage booster is used, the current consumption for the V
4
). It must be within operating voltage (2).
RON = 0.1 V/ I
5
voltage can be adjusted within the voltage follower operating range by use of voltage regulator.
Item
where, I is the current that flows between power supply and SEG or COM terminal when the 0.1-volt voltage is applied.
I
DD
(2)
(mA)
0.01
0.1
10
1
DD
0
during access (2) during MPU access cycle
Symbol
0.01
V
V
V
V
V
OUT
OUT
REG
DD
5
f
CYC
SED1526
DD
0.1
and V
V
V
V
V
(MHz)
DD
DD
DD
DD
SED1528
reference (during triple boosting) –16.5
reference
reference
reference Ta = 25 C
5
systems (See Figure 9.)
1
10
Conditions
It shows the current consumption when a
checker pattern is always written in f
When not accessed, only the current consumption
of I
Conditions:
—
DD
DD
primary power must be used within the input voltage range.
(2) occurs.
SED1526 V5 -V
dual boosting
SED1528 V5 -V
triple boosting
Ta = 25 C
DD
power supply is shown.
–16.5
–13.0
Min.
–3.5
SED1526/28 Series
2.4
DD
DD
= –6.0V,
= –8.0V,
Typ.
–3.1
—
—
—
—
SYNC
timing.
Max.
–4.0
–4.0
–2.7
6.0
—
* See notes below.
Unit
V
V
V
V
V
Pins used
V
V
V
OUT
OUT
R
1
, V
*10
*11
2
, V
9
3