PCF8576DT/2,118 NXP Semiconductors, PCF8576DT/2,118 Datasheet - Page 15
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PCF8576DT/2,118
Manufacturer Part Number
PCF8576DT/2,118
Description
IC LCD DRIVER 40/160SEG 56TSSOP
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8576DT2118.pdf
(50 pages)
Specifications of PCF8576DT/2,118
Package / Case
56-TSSOP
Display Type
LCD
Configuration
40 Segment
Interface
I²C
Current - Supply
24µA
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Number Of Digits
20
Number Of Segments
160
Maximum Clock Frequency
400 KHz
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Power Dissipation
400 mW
Maximum Operating Temperature
+ 85 C
Maximum Supply Current
50 mA
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
568-4703 - DEMO BOARD LCD GRAPHIC DRIVER
Digits Or Characters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
568-3558-2
935276166118
PCF8576DT/2-T
935276166118
PCF8576DT/2-T
NXP Semiconductors
PCF8576D
Product data sheet
7.4.4 1:4 Multiplex drive mode
When four backplanes are provided in the LCD, the 1:4 multiplex drive mode applies (see
Figure
Fig 10. Waveforms for the 1:4 multiplex drive mode with
Sn+1
Sn+2
Sn+3
state 1
state 2
BP2
BP0
BP1
BP3
(1) V
(2) V
(3) V
(4) V
Sn
10).
state1
on(RMS)
state2
off(RMS)
(t) = V
(t) = V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
V
V
2V
V
−V
−2V
−V
V
2V
V
−V
−2V
−V
0 V
0 V
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
LCD
LCD
All information provided in this document is subject to legal disclaimers.
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
= 0.333V
= 0.577V
LCD
LCD
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
Sn
Sn+1
/ 3
/ 3
(t) − V
Rev. 10 — 14 February 2011
(t) − V
LCD
LCD
BP0
.
.
BP1
(t).
(t).
(a) Waveforms at driver.
(b) Resultant waveforms
at LCD segment.
Universal LCD driver for low multiplex rates
T
fr
1
⁄
3
bias
PCF8576D
state 1
state 2
mgl749
© NXP B.V. 2011. All rights reserved.
LCD segments
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