PCF8578T NXP Semiconductors, PCF8578T Datasheet - Page 13
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PCF8578T
Manufacturer Part Number
PCF8578T
Description
Manufacturer
NXP Semiconductors
Datasheet
1.PCF8578T.pdf
(48 pages)
Specifications of PCF8578T
Operating Supply Voltage (typ)
3.3/5V
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Package Type
VSO
Pin Count
56
Mounting
Surface Mount
Power Dissipation
400mW
Operating Supply Voltage (min)
2.5V
Operating Supply Voltage (max)
6V
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PCF8578T
Manufacturer:
NXPL
Quantity:
2 359
Part Number:
PCF8578T
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
PCF8578T-1
Manufacturer:
PHILIPS
Quantity:
2 396
Part Number:
PCF8578T-1
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Part Number:
PCF8578T/1
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Part Number:
PCF8578T/1,118
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Philips Semiconductors
2003 Apr 14
LCD row/column driver for
dot matrix graphic displays
V state 1 (t)
V state 2 (t)
ROW 1
R1 (t)
ROW 2
R2 (t)
COL 1
C1 (t)
COL 2
C2 (t)
V
V
V op
0.2 V op
0 V
0.2 V op
V op
V op
0.6 V op
0.2 V op
0 V
0.2 V op
0.6 V op
V op
V
V
V DD
V 2
V
V
V
V
V DD
V 2
V
V
V
V
V DD
V 2
V
V
V
V
V DD
V 2
V
V
V
V
on(rms)
off(rms)
state 1
state 2
V
V
3
4
5
LCD
3
4
5
LCD
3
4
5
LCD
3
4
5
LCD
op
op
(t) = C1(t)
(t) = C2(t)
=
=
Fig.8 LCD drive mode waveforms for 1 : 16 multiplex rate.
16
1
2 (
16
16
(
16 1
R1(t):
R2(t):
16 1
(
16 1
16 1
)
)
2
= 0.254
)
= 0.316
T frame
13
V
V
general relationship (n = multiplex rate)
on(rms)
off(rms)
V
V
op
op
=
=
1
n
2 (
n
(
n
n 1
(
n 1
n
n 1
)
1
)
2
)
MSA836
dot matrix
1:16 multiplex rate
Product specification
state 1 (OFF)
state 2 (ON)
PCF8578