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PDF LR4422 Data sheet ( Hoja de datos )
| Número de pieza | LR4422 | |
| Descripción | LIQUID CRYSTAL DISPLAY MODULE | |
| Fabricantes | DENSITRON | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LR4422 (archivo pdf) en la parte inferior de esta página. Total 19 Páginas | ||
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LIQUID CRYSTAL DISPLAY MODULE
Product Specification
PRODUCT
NUMBER
LR4422
INTERNAL APPROVALS
Product Manager
Engineering
Document Control
Product No.
LR4422
REV. B
Page 1 / 19
Copyright ©2008 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
1 page  
2 MECHANICAL DRAWING
Product No.
LR4422
REV. B
Page 5 / 19
Copyright ©2008 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
5 Page 
8.2 AC CHARACTERISTICS
(Vdd = 2.7 ~ 5.5 V, Ta = -30°C ~ +85°C)
Symbol
fOSC
fEX
--
TR , TF
TC
TPW
TR , TF
TAS
TAH
TDSW
TH
TC
TPW
TR , TF
TAS
TAH
TDDR
TH
TCWH
TCWL
TCST
TSU
TDH
TDM
Characteristics
Test Condition Min
Typ
Internal Clock Operation
OSC Frequency
R = 91KΩ
190 270
External Clock Operation
External Frequency
--
125 270
Duty Cycle
-- 45 50
Rise / Fall Time -- -- --
Write Mode (Writing data from MPU to ST7066U)
Enable Cycle Time
Pin E
1200
--
Enable Pulse Width
Pin E
140 --
Enable Rise / Fall Time
Pin E
-- --
Address Setup Time Pins: RS, RW, E
0
--
Address Hold Time Pins: RS, RW, E
10
--
Data Setup Time
Pins: DB0 – DB7
40
--
Data Hold Time
Pins: DB0 – DB7
10
--
Read Mode (Reading data from ST7066U to MPU)
Enable Cycle Time
Pin E
1200
--
Enable Pulse Width
Pin E
140 --
Enable Rise / Fall Time
Pin E
-- --
Address Setup Time Pins: RS, RW, E
0
--
Address Hold Time Pins: RS, RW, E
10
--
Data Setup Time
Pins: DB0 – DB7
--
--
Data Hold Time
Pins: DB0 – DB7
10
--
Interface Mode with LCD Driver (ST7065)
Clock Pulse with High Pins: CL1, CL2
800
--
Clock Pulse with Low Pins: CL1, CL2
800
--
Clock Setup Time
Pins: CL1, CL2
500
--
Data Setup Time
Pin: D
300 --
Data Hold Time
Pin: D
300 --
M Delay Time
Pin: M
0 --
Max
350
410
55
0.2
--
--
25
--
--
--
--
--
--
25
--
--
100
--
--
--
--
--
--
2000
Unit
KHz
KHz
%
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Product No.
LR4422
REV. B
Page 11 / 19
Copyright ©2008 DENSITRON CORPORATION All rights reserved. – Proprietary Data
FORM No. DT-029 V2
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet LR4422.PDF ] | |
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