T-51750GD065J-FW-AA Datasheet, PDF (5/23 Pages) OPTREX CORPORATION – LCD Module

2.3. AC Characteristic
ITEM
SYMBOL MIN. TYP. MAX.
UNIT
Frequency
f_CLK
20
25
30
MHz
DCLK
Period
Low Width
t_CLK
33.3
40
50
ns
t_WCL
10
--
--
ns
High Width
t_WCH
10
--
--
ns
DATA
(R,G,B,DENA,
HD, VD)
Set up time
Hold time
t_DS
5
--
--
ns
t_DH
5
--
--
ns
Horizontal Active Time
t_HA
640
640
640
t_CLK
Horizontal Front Porch
t_HFP
0
--
--
t_CLK
DENA
Horizontal Back Porch
t_HBP
Vertical Active Time
t_VA
7
--
--
t_CLK
480
480
480
t_H
Vertical Front Porch
t_VFP
1
20
--
t_H
Vertical Back Porch
t_VBP
8
20
--
t_H
Frequency
f_H
27
31.5
38
kHz
HD
Period
t_H
26.3 31.7 37.0
s
Low Width
t_WHL
5
--
--
t_CLK
Frequency
f_V
55
60
70
Hz
VD
Period
t_V
14.3 16.7 18.2
ms
Low Width
t_WVL
3
--
--
t_H
[Note]
1) DATA is latched at fall edge of DCLK in this timing specification.
2) Polarities of HD and VD are negative in this specification.
3) DENA (Data Enable) should always be positive polarity as shown in the timing specification.
4) DCLK should appear during all invalid period, and HD should appear during invalid period of frame cycle.
5) Accepted only 640 data and 480 lines.
6) REV should be stable during operation.
T-51750GD065J-FW-AA (AA) No. 2003-0199
OPTREX CORPORATION
Page 5/24