PCF8576TD-T NXP Semiconductors, PCF8576TD-T Datasheet - Page 13

LCD Drivers 160 SEGMENT LCD SEGMENT DRIVER

PCF8576TD-T

Manufacturer Part Number
PCF8576TD-T
Description
LCD Drivers 160 SEGMENT LCD SEGMENT DRIVER
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PCF8576TD-T

Number Of Digits
20
Number Of Segments
160
Maximum Clock Frequency
288 KHz
Operating Supply Voltage
2 V to 9 V
Maximum Power Dissipation
400 mW
Package / Case
VSO-56
Maximum Supply Current
180 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
PCF8576T,118
Philips Semiconductors
2001 Oct 02
Universal LCD driver for low multiplex rates
S n 1
S n 2
S n 3
state 1
state 2
BP2
BP0
BP1
BP3
S n
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V DD
V
V
V LCD
V op
V op
V op
V op
V
V
V
V
2V
2V
2V
2V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
op
op
op
op
op
op
op
op
Fig.8 Waveforms for the 1 : 4 multiplex drive mode (V
/3
/3
/3
/3
0
0
/3
/3
/3
/3
V
V
V
V
V
V
V
V
2V
2V
2V
2V
2V
2V
2V
2V
op
op
op
op
op
op
op
op
op
op
op
op
op
op
op
op
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
/3
(b) resultant waveforms
(a) waveforms at driver
at LCD segment
T frame
13
op
= V
state 1
state 2
DD
MBE543
LCD segments
V
LCD
V
V
V
V
).
state1
on(rms)
state2
off(rms)
t ( )
t ( )
Product specification
=
=
=
=
0.577V
0.333V
V
V
PCF8576
S
S
n
n
t ( ) V
t ( ) V
op
op
BP0
BP1
t ( )
t ( )

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