參數(shù)資料
型號(hào): PCF8578
廠商: NXP Semiconductors N.V.
英文描述: LCD row/column driver for dot matrix graphic displays
中文描述: 液晶行/列驅(qū)動(dòng)點(diǎn)陣圖形顯示
文件頁數(shù): 13/44頁
文件大小: 323K
代理商: PCF8578
1998 Sep 08
13
Philips Semiconductors
Product specification
LCD row/column driver for dot matrix
graphic displays
PCF8578
Fig.8 LCD drive mode waveforms for 1 : 16 multiplex rate.
MSA836
VDD
V2
V
V
V
V
LCD
3
4
5
Tframe
ROW 1
R1 (t)
VDD
V2
V
V
V
V
LCD
3
4
5
ROW 2
R2 (t)
VDD
V2
V
V
V
V
LCD
3
4
5
COL 1
C1 (t)
VDD
V2
V
V
V
V
LCD
3
4
5
COL 2
C2 (t)
dot matrix
1:16 multiplex rate
state 1 (OFF)
state 2 (ON)
0.2 Vop
0 V
0.2 Vop
Vop
Vop
Vstate 1(t)
0.2 Vop
0 V
0.2 Vop
0.6 Vop
Vop
Vop
Vstate 2(t)
0.6 Vop
V
state 1
(t) =C1(t)
R1(t):
V
on(rms)
V
op
=
1
16
16
(
1
16 1
)
16
= 0.316
V
state 2
(t) = C2(t)
R2(t):
V
off(rms)
V
op
=
16
1
16 1
(
)
16
= 0.254
2
2(
)
general relationship (n = multiplex rate)
V
on(rms)
V
op
=
1
n
n
1
n
1
(
)
n
V
off(rms)
V
op
=
n 1
n 1
(
)
n
2
2(
)
相關(guān)PDF資料
PDF描述
PCF8578H LCD row/column driver for dot matrix graphic displays
PCF8578U LCD row/column driver for dot matrix graphic displays
PCF8579 LCD column driver for dot matrix graphic displays
PCF8579U7 LCD column driver for dot matrix graphic displays
PCF8579H LCD column driver for dot matrix graphic displays
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8578_03 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD row/column driver for dot matrix graphic displays
PCF8578H 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:LCD row/column driver for dot matrix graphic displays
PCF8578H/1 功能描述:LCD 驅(qū)動(dòng)器 LCD DRVR DOT MATRIX RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
PCF8578H/1,118 功能描述:LCD 驅(qū)動(dòng)器 DOT MATRIX LCD DRIV (R/COLM) RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
PCF8578H/1,157 功能描述:LCD 驅(qū)動(dòng)器 LCD DRVR DOT MATRIX RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube