PCF8576CH NXP Semiconductors, PCF8576CH Datasheet - Page 15
PCF8576CH
Manufacturer Part Number
PCF8576CH
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8576CH.pdf
(56 pages)
Specifications of PCF8576CH
Operating Supply Voltage (typ)
2.5/3.3/5V
Number Of Digits
20
Number Of Segments
160
Package Type
LQFP
Pin Count
64
Mounting
Surface Mount
Power Dissipation
400mW
Frequency (max)
315KHz
Operating Supply Voltage (min)
2V
Operating Supply Voltage (max)
6V
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PCF8576CH
Manufacturer:
PHILIPS
Quantity:
22 164
Company:
Part Number:
PCF8576CH/1
Manufacturer:
NXP
Quantity:
12 000
Part Number:
PCF8576CH/1
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
PCF8576CH/1,118
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Company:
Part Number:
PCF8576CH/1,157
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Company:
Part Number:
PCF8576CH/F1
Manufacturer:
PHI
Quantity:
10
Part Number:
PCF8576CH/F1
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Part Number:
PCF8576CHL
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
PCF8576CHL/1
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
PCF8576CHL/1,118
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Company:
Part Number:
PCF8576CHL/1,157
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Company:
Part Number:
PCF8576CHL1
Manufacturer:
NICHICON
Quantity:
5 503
NXP Semiconductors
PCF8576C_9
Product data sheet
7.4.3 1:3 Multiplex drive mode
When three backplanes are provided in the LCD, the 1:3 multiplex drive mode applies as
shown in
Fig 10. Waveforms for the 1:3 multiplex drive mode with
S n+1
S n+2
state 1
state 2
Figure
V
V
V
V
BP2
BP0
BP1
state1
on(RMS)
state2
off(RMS)
S n
(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
2V
V
10.
0 V
0 V
= 0.638V
= 0.333V
V
2V
V
V
2V
V
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
SS
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
Sn
Sn
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
(t)
(t)
/ 3
/ 3
LCD
LCD.
Rev. 09 — 9 July 2009
V
V
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
state 1
state 2
PCF8576C
LCD segments
mgl748
© NXP B.V. 2009. All rights reserved.
15 of 56