Epson SED 1520 Series Technical Manual page 30

DC Characteristics (Cont'd)
Ta = –20 to 75 deg. C, V
DD
Parameter
Low-level output voltage
Input leakage current
Output leakage current
LCD driver ON resistance
Static current dissipation
Dynamic current dissipation
Input pin capacitance
Oscillation frequency
Reset time
Notes: 1. Operation over the specified voltage range is guaranteed, except where the supply voltage changes
suddenly during CPU access.
2. A0, D0 to D7, E (or RD), R/W (or WR) and CS
3. CL, FR, M/S and RES
4. D0 to D7
5. FR
6. A0, E (or RD), R/W (or WR), CS, CL, M/S and RES
7. When D0 to D7 and FR are high impedance.
8. During continual write acess at a frequency of t
proportional to the access frequency.
9. See figure below for details
10. See figure below for details
11. For a voltage differential of 0.1 V between input (V
within specified operating voltage range.
*
12. SED1520
A *
stray and panel capacitances.
*
13. SED1520
0
*
capacitances.
*
14. SED1521
0
*
15. t (Reset time) represents the time from the RES signal edge to the completion of reset of the internal
R
circuit. Therefore, the SED1520 series enters the normal operation status after this t
= 0 V unless stated otherwise
Symbol Condition
V I = 3.0 mA
OLT OL
V I = 2.0 mA
OLC1 OL
V I = 120 A
OLC2 OL
V V = –3 V I
OLT SS OL
V V = –3 V I
OLC1 SS OL
V V = –3 V I
OLC2 SS OL
I
LI
I
LO
V
5
R Ta = 25 deg. C
ON
V
5
I CS = CL = V
DDQ DD
f
CL
During display
R
f
V = –5.0 V
5
f
CL
I (1)
DD
During display f
CL
V = –5 V
5
V = –3 V Rf = 1 M
SS
During access t
cyc
I (2) V = –3V,
DD SS
During access t
cyc
C Ta = 25 deg. C, f = 1 MHz
IN
R = 1.0 M 2%,
f
V = –5.0 V
SS
f
OSC
R = 1.0 M 2%,
f
V = –3.0 V
SS
t
R
*
and SED1521 and SED1522
A *
*
and SED1522 only. Does not include transient currents due to stray and panel
0
*
only. Does not include transient currents due to stray and panel capacitances.
EPSON
Rating
Min. Typ.
— —
— —
— —
= 2 mA
= 2 mA
= 50 A
–1.0 —
–3.0 —
= –5.0 V — 5.0
= –3.5 V — 10.0
— 0.05
= 2 kHz — 2.0
= 1 M — 9.5
= 18 kHz — 5.0
= 2 kHz 1.5
6.0
= 200 kHz — 300
150
= 200 kHz
— 5.0
15 18
11 16
1.0 —
. Current consumption during access is effectively
cyc
, ..., V ) and output (COM, SEG) pins. All voltages
1 4
*
only. Does not include transient currents due to
A *
SED1520 Series
Unit Applicable Pin
Max.
V +0.4
SS
OSC2
V +0.4 V
SS
See note 4 & 5.
0.8 V
SS
0.8 V
SS
See note 4 & 5.
0.8 V V
SS
OSC2
0.8 V
SS
1.0 A See note 6.
3.0 A See note 7.
7.5 SEG0 to 79,
k COM0 to 15,
50.0 See note 11
1.0 A V
DD
5.0 V
DD
15.0 A See note 12,
10.0 13 & 14.
4.5
V
DD
A
See note 12 & 13.
12.0
500
A See note 8.
300
8.0 pF All input pins
21
kHz See note 9.
21
RES
S
See note 15.
.
R
2–21