PCF8534AH/1,518 NXP Semiconductors, PCF8534AH/1,518 Datasheet - Page 32

• Manufacturer Part Number: PCF8534AH/1,518
• Description: IC LCD DVR UNVRSL LOW-MUX 80LQFP
• Manufacturer: NXP Semiconductors

Specifications of PCF8534AH/1,518

• Package / Case: 80-LQFP
• Display Type: LCD
• Configuration: 60 Segment
• Interface: I²C
• Current - Supply: 8µA
• Voltage - Supply: 1.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Number Of Digits: 30
• Number Of Segments: 240
• 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
• Digits Or Characters: -
• Lead Free Status / Rohs Status: Details
• Other names: 935284829518; PCF8534AH/1-T; PCF8534AH/1-T

NXP Semiconductors
PCF8534A_3
Product data sheet
The contact resistance between the SYNC pins of cascaded devices must be controlled. If
the resistance is too high, the device will not be able to synchronize properly.
Table 19
Table 19.
Number of devices
2
3 to 5
6 to 10
11 to 16
Fig 22. Synchronization of the cascade for various PCF8534A drive modes
shows the maximum contact resistance values.
SYNC contact resistance
(1/2 bias)
(1/3 bias)
(1/3 bias)
(1/3 bias)
BP0
SYNC
SYNC
SYNC
SYNC
BP0
BP0
BP0
BP0
Rev. 03 — 10 November 2008
(b) 1:2 multiplex drive mode.
(c) 1:3 multiplex drive mode.
(d) 1:4 multiplex drive mode.
(a) static drive mode.
T
Universal LCD driver for low multiplex rates
fr
=
Maximum contact resistance
6000
2200
1200
700
f
1
fr
PCF8534A
mgl755
© NXP B.V. 2008. All rights reserved.
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