Features: • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)• 1/3 duty - 1/2 bias and 1/3 duty - 1/3 bias drive schemes can be controlled from serial data (up to 126 segments). • Sleep mode and all segments off functions that are controll...
75853NW: Features: • Key input function for up to 30 keys (A key scan is performed only when a key is pressed.)• 1/3 duty - 1/2 bias and 1/3 duty - 1/3 bias drive schemes can be controlled from s...
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Parameter |
Symbol |
Conditions |
Ratings |
Unit |
Maximum supply voltage |
VDD max |
VDD |
0.3 to +7.0 |
V |
Input voltage |
VIN1 |
CE, CL, DI |
0.3 to +7.0 |
V |
VIN2 |
OSC, KI1 to KI5, TEST, VDD1, VDD2 |
0.3 to VDD + 0.3 |
V | |
Output voltage |
VOUT1 |
DO |
0.3 to +7.0 |
V |
VOUT2 |
OSC, S1 to S42, COM1 to COM3, KS1 to KS6, P1 to P4 |
0.3 to VDD + 0.3 |
V | |
Output current |
IOUT1 |
S1 to S42 |
300 |
A |
IOUT2 |
COM1 to COM3 |
3 |
mA | |
IOUT3 |
KS1 to KS6 |
1 |
mA | |
IOUT4 |
P1 to P4 |
5 |
mA | |
Allowable power dissipation |
Pd max |
Ta = 85°C |
200 |
mW |
Operating temperature |
Topr |
40 to +85 |
°C | |
Storage temperature |
Tstg |
55 to +125 |
°C |
The LC75853NE and LC75853NW are 1/3 duty LCD display drivers that can directly drive up to 126 segments and can control up to four general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring.