參數(shù)資料
型號: 935064190005
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅(qū)動器
英文描述: LIQUID CRYSTAL DISPLAY DRIVER, U
封裝: DIE
文件頁數(shù): 5/44頁
文件大?。?/td> 192K
代理商: 935064190005
2001 Oct 02
13
Philips Semiconductors
Product specication
Universal LCD driver for low multiplex rates
PCF8576
Fig.8 Waveforms for the 1 : 4 multiplex drive mode (Vop =VDD VLCD).
MBE543
2V
/3
op
Vop
state 1
0
BP0
(b) resultant waveforms
at LCD segment
LCD segments
state 2
Tframe
BP1
Vop
state 1
V
/3
op
2V
/3
op
V
/3
op
2V
/3
op
Vop
state 2
0
Vop
V
/3
op
2V
/3
op
V
/3
op
Sn 1
BP2
S n 2
Sn 3
(a) waveforms at driver
Sn
BP3
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
op
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
op
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
op
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
op
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
op
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
op
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
op
VDD
V
/3
DD
op
VLCD
V
2V
/3
DD
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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