參數(shù)資料
型號: PCF8576CH
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅動器
英文描述: Universal LCD driver for low multiplex rates
中文描述: LIQUID CRYSTAL DISPLAY DRIVER, PQFP64
封裝: 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT314-2, LQFP-64
文件頁數(shù): 13/40頁
文件大?。?/td> 243K
代理商: PCF8576CH
1998 Feb 06
13
Philips Semiconductors
Product specification
Universal LCD driver for low multiplex
rates
PCF8576
Fig.8 Waveforms for the 1 : 4 multiplex drive mode (V
op
= V
DD
V
LCD
).
MBE543
2Vop
Vop
Vop
Vop
state 1
0
BP0
(b) resultant waveforms
at LCD segment
LCD segments
state 2
Tframe
BP1
Vop
state 1
2Vop
Vop
2Vop
Vop
Vop
state 2
0
2Vop
Vop
Sn 1
BP2
Sn 2
Sn 3
(a) waveforms at driver
Sn
BP3
VDD
VDD
VDD
op
VLCD
VDD
VDD
VDD
op
VDD
VDD
VDD
op
VLCD
VDD
VDD
VDD
op
VDD
VDD
VDD
op
VLCD
op
VDD
VDD
VDD
op
VLCD
op
VDD
VDD
VDD
op
VLCD
op
op
VLCD
op
VDD
VDD
VDD
op
VLCD
op
op
VLCD
op
V
state1
t)
V
S
n
t)
V
BP0
t)
=
V
on(rms)
0.577V
op
=
V
state2
t)
V
S
n
t)
V
BP1
t)
=
V
off(rms)
0.333V
op
=
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