PCF8576CT/1 NXP Semiconductors, PCF8576CT/1 Datasheet - Page 15

• Manufacturer Part Number: PCF8576CT/1
• Description: IC, LCD DRIVER, LOW-MUX, 56VSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8576CT/1

• Supply Current: 120µA
• No. Of Digits / Alpha: 20
• Meter Display Type: LCD
• Supply Voltage Range: 2V To 6V
• Driver Case Style: VSOP
• No. Of Pins: 56
• Operating Temperature Range: -40°C To +85°C
• Base: RoHS Compliant
• No. Of Segments: 40
• Rohs Compliant: Yes

NXP Semiconductors
PCF8576C
Product data sheet
Fig 10. Waveforms for the 1:2 multiplex drive mode with
V
V
V
V
state1
on(RMS)
state2
off(RMS)
S n+1
state 1
state 2
BP0
BP1
S n
(t) = V
(t) = V
All information provided in this document is subject to legal disclaimers.
= 0.745V
= 0.333V
Sn
Sn
(t) − V
(t) − 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
LCD
LCD
Rev. 10 — 22 July 2010
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD.
LCD
LCD
LCD
BP0
BP1
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
/ 3
(t).
(t)
(a) Waveforms at driver.
(b) Resultant waveforms
Universal LCD driver for low multiplex rates
at LCD segment.
T
fr
1
⁄
3
bias
mgl747
state 1
state 2
LCD segments
PCF8576C
© NXP B.V. 2010. All rights reserved.
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