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LC75857E Datasheet(PDF) 2 Page - ON Semiconductor

No. de pieza LC75857E
Descripción Electrónicos  Duty LCD Driver with Key Input Function
Download  39 Pages
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Fabricante Electrónico  ONSEMI [ON Semiconductor]
Página de inicio  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LC75857E Datasheet(HTML) 2 Page - ON Semiconductor

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No. 7980-2/39
LC75857E, LC75857W
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
VDD
–0.3 to +7.0
V
VLCD max
VLCD
–0.3 to +7.0
VIN1
CE, CL, DI
–0.3 to +7.0
Input voltage
VIN2
OSC,TEST
–0.3 to VDD +0.3
V
VIN3
VLCD1, VLCD2, KI1 to KI5
–0.3 to VLCD +0.3
VOUT1
DO
–0.3 to +7.0
Output voltage
VOUT2
OSC
–0.3 to VDD +0.3
V
VOUT3
S1 to S42, COM1 to COM4, KS1 to KS6, P1 to P4
–0.3 to VLCD +0.3
IOUT1
S1 to S42
300
µA
Output current
IOUT2
COM1 to COM4
3
IOUT3
KS1 to KS6
1
mA
IOUT4
P1 to P4
5
Allowable power dissipation
Pd max
Ta = 85°C
200
mW
Operating temperature
Topr
–40 to +85
°C
Storage temperature
Tstg
–55 to +125
°C
Specifications
Absolute Maximum Ratings at Ta=25°C, VSS=0V
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
VDD
VDD
2.7
6.0
Supply voltage
VLCD
VLCD: VDD = 3.6 V to 6.0 V
0.75 VDD
6.0
V
VLCD: VDD = 2.7 V to 3.6 V
2.7
6.0
Input voltage
VLCD1
VLCD1
2/3 VLCD
VLCD
V
VLCD2
VLCD2
1/3 VLCD
VLCD
VIH1
CE, CL, DI
0.8 VDD
6.0
Input high level voltage
VIH2
KI1 to KI5
0.6 VLCD
VLCD
V
VIH3
OSC: External clock mode
0.7 VDD
VDD
VIL1
CE, CL, DI
0
0.2 VDD
Input low level voltage
VIL2
KI1 to KI5
0
0.2 VLCD
V
VIL3
OSC: External clock mode
0
0.3 VDD
Recommended RC oscillator external resistor
ROSC
OSC: RC oscillator mode
39
k
Recommended RC oscillator external capacitor
COSC
OSC: RC oscillator mode
1000
pF
Guaranteed RC oscillator operating range
fOSC
OSC: RC oscillator mode
19
38
76
kHz
External clock frequency
fCK
OSC: External clock mode
:Figure 4
19
38
76
kHz
External clock duty
DCK
OSC: External clock mode
:Figure 4
30
50
70
%
Data setup time
tds
CL, DI
:Figures 2,3
160
ns
Data hold time
tdh
CL, DI
:Figures 2,3
160
ns
CE wait time
tcp
CE, CL
:Figures 2,3
160
ns
CE setup time
tcs
CE, CL
:Figures 2,3
160
ns
CE hold time
tch
CE, CL
:Figures 2,3
160
ns
High level clock pulse width
H
CL
:Figures 2,3
160
ns
Low level clock pulse width
L
CL
:Figures 2,3
160
ns
Rise time
tr
CE, CL, DI
:Figures 2,3
160
ns
Fall time
tf
CE, CL, DI
:Figures 2,3
160
ns
DO output delay time
tdc
DO RPU=4.7 kΩ, CL=10pF *1
:Figures 2,3
1.5
µs
DO rise time
tdr
DO RPU=4.7 kΩ, CL=10pF *1
:Figures 2,3
1.5
µs
Allowable Operating Ranges at Ta = –40 to +85°C, VSS=0V
Note: *1. Since DO is an open-drain output, these values depend on the resistance of the pull-up resistor RPU and the load capacitance CL.


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