PCF8578T/1 NXP Semiconductors, PCF8578T/1 Datasheet - Page 31

• Manufacturer Part Number: PCF8578T/1
• Description: IC, LCD DRIVER, ROW/COLUMN, 56VSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8578T/1

• Supply Current: 20µA
• No. Of Digits / Alpha: 36
• Meter Display Type: LCD
• Supply Voltage Range: 2.5V To 6V
• Driver Case Style: VSOP
• No. Of Pins: 56
• Operating Temperature Range: -40°C To +85°C
• Base: RoHS Compliant
• No. Of Segments: 384
• Interface Type: I2C
• Rohs Compliant: Yes

NXP Semiconductors
PCF8578_6
Product data sheet
Fig 21. Driver timing waveforms
Fig 22. I
SDA
SCL
SDA
R31/C31 to R8/C8
and R7 to R0
C39 to C32,
2
C-bus timing waveforms
SYNC
CLK
t
BUF
t
HD;STA
Rev. 06 — 5 May 2009
LCD row/column driver for dot matrix graphic displays
t
PD(SYNC_N)
t
LOW
t
r
1/f
clk
t
SU;STA
(V
DD
t
HD;DAT
V
t
PD(drv)
LCD
= 9 V)
t
HIGH
t
PD(SYNC_N)
t
f
PCF8578
© NXP B.V. 2009. All rights reserved.
t
SU;DAT
t
SU;STO
0.3 V
0.7 V
0.7 V
0.3 V
msa834
0.5 V
0.5 V
mga728
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DD
DD
DD
DD