lc7940yd Sanyo Semiconductor Corporation, lc7940yd Datasheet - Page 2

• Manufacturer Part Number: lc7940yd
• Description: Dot-matrix Lcd Drivers
• Manufacturer: Sanyo Semiconductor Corporation

Note
V
Recommended Operating Condltions
Notes
1. V
2. At turn ON, the LCD supply should be energized after or simultaneously with the logic supply. At turn OFF, the logic supply
Electrlcai Characterfstlcs
Operating temperature range
Storage temperature range
Logic supply voltage
LCD supply voltage
HIGH–level input voltage
LOW–level inpvt voltage
CP shift clock frequency
CP pulsewidth
LOAD pulsewidth
DIn and SDI to CP setup time
DIn and SDI to CP hold time
CP to LOAD time
LOAD to CP time
CP rise time
CP fall time
LOAD rise time
LOAD fall time
HIGH–level input current
LOW–level input current
CDO HIGH–level output voltage
CDO LOW–levef output voltage
O1 to O80 driver ON resistance
DD
should be cut after or simultaneously with the LCD supply.
DD
V
1
> V
V
Parameter
Parameter
l
3
> V
> V
3
4
> V
> V
Parameter
4
EE
> V
EE
at Ta = 25 ± 2°C,V
V
Symbol
Symbol
DD
t
t
SETUP
V
HOLD
V
R
t
t
t
V
V
f
t
V
CL1
CL2
t
t
t
WC
WL
I
I
CP
LC
t
t
RL
DD
FL
IH
OH
ON
– V
R
IL
OL
IH
IL
F
EE
LC7940YD, LC7941YD
at Ta =
See Notes 1 and 2.
CP, CDl, DI1 to DI3, M,
SDl, P/S, DISPOFF and
LOAD
CP, CDI, Dl1 to DI3, M,
SDl, P/S,DISPOFF and
LOAD
V
P/S, DI1 to DI3, SDl, M,
and DISPOFF
V
P/S, DI1 to DI3, SDI, M,
and DISPOFF
I
I
V
|V
See note
OH
OL
IN
IN
DD
DE
SS
= 400 µA
Symbol
=V
= V
= –400 µA
– V
– V
T
T
DD
opr
= 0V, V
stg
SS
Conditions
Conditions
EE
O
; LOAD, CP, CDI,
–
; LOAD, CP, CDl,
|= 0.25 V.
20 to + 85°C, V
= 18 V,
DD
= 2.7 to 5.5 V
SS
V
DD
min
0.8V
min
= 0V
– 0.4
100
100
100
100
2.7
DD
80
80
8
–
0
–
–
–
–
–
–
–
–
–40 to +125
–20 to +85
Ratings
Ratings
Ratings
typ
typ
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
2
max
max
0.2V
5.5
3.3
0.4
DD
20
50
50
50
50
–1
–
–
–
–
–
–
–
–
1
–
4
No. 6158—2/11
Unit
°C
°C
MHz
Unit
Unit
µA
µA
k
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V