LC74900 Datasheet, PDF (12/14 Pages) Sanyo Semicon Device – CMOS IC Silicon gate LCD PROCESSOR LSI for small size display

I/O Data Timing
(1) Input data timing
DCKI
tSU
Input data
LC74900
tHI
tHD
tLI
DCKI
Pin name
Parameter
Clock cycle
Duty
Input data setup time
DCRIN*, DYGIN*,
DCBIN*, DVSI, DHSI,
DDEI
(DVDD33 = 3.15V to 3.45V)
(DVDD3318 = 3.15V to 3.45V)
Input data hold time
(DVDD33 = 3.15V to 3.45V)
(DVDD3318 = 3.15V to 3.45V)
* The recommended duty ratio of input clock is 50%
(2) Output data timing
DCKO1
tAC
Output data
Pin name
Parameter
DCKO1
Clock cycle
Duty
DROUT*, DGOUT*, DBOUT*
Output data delay time
DVSO, DHSO, DDEO, DEXR, POL,
SP, STRB, CPV, OE, FLM, GRST
DVDD33 = 3.15V to 3.45V
* DCKO1 output is not inverted. Output capacitance: 15pF
Symbol
tCK
tSU
tHD
tHO
tLO
Symbol
tCK
tAC
tCK
DVDD33/2
DVDD33/2
min
typ
max
unit
16.7
ns
50
%
3
ns
2
ns
tCK
DVDD33/2
DVDD33/2
min
16.7
-3
typ
max
unit
ns
50
%
3
ns
DCKO2
tAC
Output data
Pin name
Parameter
DCKO2
Clock cycle
Duty
DCRIN*, DEXR, POL, SP
Output data delay time
STRB, CPV, OE, FLM, GRST,
GP0, GP1, DVSO, DHSO
DVDD3318 = 3.15V to 3.45V
DVDD33 = 3.15V to 3.45V
DCRIN*
Output data delay time
DVDD3318 = 1.7V to 1.9V
* DCKO1 output is not inverted. Output capacitance: 15pF
tHO
tLO
Symbol
tCK
tAC
tAC
tCK
DVDD3318/2
DVDD3318/2
min
37
-3
typ
max
unit
ns
50
%
3
ns
-6
6
ns
No.A2000-12/14