sed1374 ETC-unknow, sed1374 Datasheet - Page 42

• Manufacturer Part Number: sed1374
• Description: Sed1374 Embedded Memory Color Lcd Controller
• Manufacturer: ETC-unknow

Page 34
7.2 Clock Input Requirements
SED1374
X26A-A-001-02
Clock Input Waveform
Symbol
T
t
f
t
CLKI
PWH
PWL
CLKI
t
t
f
r
90%
10%
Input Clock Frequency (CLKI)
Input Clock period (CLKI)
Input Clock Pulse Width High (CLKI)
Input Clock Pulse Width Low (CLKI)
Input Clock Fall Time (10% - 90%)
Input Clock Rise Time (10% - 90%)
V
V IL
IH
t r
Note
When CLKI is > 25MHz it must be divided by 2 (REG[02h] bit 4 = 1).
Figure 7-7: Clock Input Requirements
Table 7-7: Clock Input Requirements
t
PWH
Parameter
T CLKI
t
f
t
PWL
1/f
Min
CLKI
0
8
8
Epson Research and Development
Max
Hardware Functional Specification
50
5
5
Vancouver Design Center
Issue Date: 99/04/29
Units
MHz
ns
ns
ns
ns