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LC7940YD Arkusz danych(PDF) 2 Page - Sanyo Semicon Device

Numer części LC7940YD
Szczegółowy opis  Dot-matrix LCD Drivers
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Producent  SANYO [Sanyo Semicon Device]
Strona internetowa  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC7940YD Arkusz danych(HTML) 2 Page - Sanyo Semicon Device

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LC7940YD, LC7941YD
No. 6158—2/11
Note
VDD ≥ V1> V3 > V4 > VEE
Recommended Operating Condltions at Ta = 20 to + 85°C, VSS = 0V
Notes
1. VDD ≥ Vl > V3 > V4 > VEE
2. At turn ON, the LCD supply should be energized after or simultaneously with the logic supply. At turn OFF, the logic supply
should be cut after or simultaneously with the LCD supply.
Electrlcai Characterfstlcs at Ta = 25 ± 2°C,VSS = 0V, VDD = 2.7 to 5.5 V
Operating temperature range
Topr
–20 to +85
°C
Storage temperature range
Tstg
–40 to +125
°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Logic supply voltage
VDD
2.7
5.5
V
LCD supply voltage
VDD – VEE
See Notes 1 and 2.
8
20
V
HIGH–level input voltage
VIH
CP, CDl, DI1 to DI3, M,
SDl, P/S, DISPOFF and
LOAD
0.8VDD
––
V
LOW–level inpvt voltage
VIL
CP, CDI, Dl1 to DI3, M,
SDl, P/S,DISPOFF and
LOAD
0.2VDD
V
CP shift clock frequency
fCP
–3.3
MHz
CP pulsewidth
tWC
100––
ns
LOAD pulsewidth
tWL
100––
ns
DIn and SDI to CP setup time
tSETUP
80––
ns
DIn and SDI to CP hold time
tHOLD
80––
ns
CP to LOAD time
tCL1
0––
ns
tCL2
100––
ns
LOAD to CP time
tLC
100––
ns
CP rise time
tR
––
50
ns
CP fall time
tF
––
50
ns
LOAD rise time
tRL
––
50
ns
LOAD fall time
tFL
––
50
ns
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
HIGH–level input current
IIH
VIN =VDD; LOAD, CP, CDI,
P/S, DI1 to DI3, SDl, M,
and DISPOFF
––1
µA
LOW–level input current
IIL
VIN = VSS; LOAD, CP, CDl,
P/S, DI1 to DI3, SDI, M,
and DISPOFF
––
–1
µA
CDO HIGH–level output voltage
VOH
IOH = –400 µA
VDD – 0.4
V
CDO LOW–levef output voltage
VOL
IOL = 400 µA
0.4
V
O1 to O80 driver ON resistance
RON
VDD – VEE = 18 V,
|VDE – VO|= 0.25 V.
See note
–24
k
Parameter
Symbol
Ratings
Unit


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