參數(shù)資料
型號(hào): PCF8579
廠商: NXP Semiconductors N.V.
英文描述: LCD column driver for dot matrix graphic displays
中文描述: 列驅(qū)動(dòng)器的點(diǎn)陣圖形顯示
文件頁(yè)數(shù): 10/40頁(yè)
文件大?。?/td> 287K
代理商: PCF8579
1997 Apr 01
10
Philips Semiconductors
Product specification
LCD column driver for dot matrix graphic
displays
PCF8579
Fig.6 LCD drive mode waveforms for 1 : 8 multiplex rate.
MSA840
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
1:8 multiplex rate
0.261 Vop
0 V
0.261 Vop
Vop
Vop
Vstate 1(t)
Vstate 2(t)
0.261 Vop
0 V
0.261 Vop
0.478 Vop
Vop
0.478 Vop
Vop
state 1 (OFF)
state 2 (ON)
V
state 1
(t) =C1(t)
R1(t):
V
on(rms)
V
op
=
1
8
8
1
8
1
(
)
8
= 0.430
V
state 2
(t) = C2(t)
R2(t):
V
off(rms)
V
op
=
8
1
8
1
(
)
8
= 0.297
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(
)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCF8579H 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:LCD column driver for dot matrix graphic displays
PCF8579H/1 功能描述:LCD 驅(qū)動(dòng)器 DOT MATRIX LCD DRVR (COLUMN) 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
PCF8579H/1,157 功能描述:LCD 驅(qū)動(dòng)器 DOT MATRIX LCD DRVR 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
PCF8579HT/1 功能描述:LED照明驅(qū)動(dòng)器 LCD COLM DRVR for dot matrix GPX DISP RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N