LC74900 SANYO [Sanyo Semicon Device], LC74900 Datasheet - Page 12

• Manufacturer Part Number: LC74900
• Description: CMOS IC Silicon gate LCD PROCESSOR LSI for small size display
• Manufacturer: SANYO [Sanyo Semicon Device]

I/O Data Timing
* The recommended duty ratio of input clock is 50%
* DCKO1 output is not inverted. Output capacitance: 15pF
* DCKO1 output is not inverted. Output capacitance: 15pF
DCKI
DCRIN*, DYGIN*,
DCBIN*, DVSI, DHSI,
DDEI
DCKO1
DROUT*, DGOUT*, DBOUT*
DVSO, DHSO, DDEO, DEXR, POL,
SP, STRB, CPV, OE, FLM, GRST
DCKO2
DCRIN*, DEXR, POL, SP
STRB, CPV, OE, FLM, GRST,
GP0, GP1, DVSO, DHSO
DCRIN*
(1) Input data timing
(2) Output data timing
Output data
Output data
Input data
Pin name
DCKO1
Pin name
DCKO2
Pin name
DCKI
t SU
Clock cycle
Duty
Input data setup time
(DV DD 33 = 3.15V to 3.45V)
(DV DD 3318 = 3.15V to 3.45V)
Input data hold time
(DV DD 33 = 3.15V to 3.45V)
(DV DD 3318 = 3.15V to 3.45V)
Clock cycle
Duty
Output data delay time
DV DD 33 = 3.15V to 3.45V
Clock cycle
Duty
Output data delay time
DV DD 3318 = 3.15V to 3.45V
DV DD 33 = 3.15V to 3.45V
Output data delay time
DV DD 3318 = 1.7V to 1.9V
t AC
t AC
Parameter
Parameter
Parameter
t HD
LC74900
t HO
t HO
t CK
t SU
t HD
t CK
t AC
t CK
t AC
t AC
t HI
Symbol
Symbol
Symbol
t LO
t LO
t LI
min
min
min
16.7
16.7
37
-3
-3
-6
3
2
t CK
t CK
t CK
typ
typ
typ
DV DD 33/2
DV DD 33/2
DV DD 3318/2
DV DD 3318/2
DV DD 33/2
DV DD 33/2
50
50
50
max
max
max
No.A2000-12/14
3
3
6
unit
unit
unit
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%