UPD16449N NEC [NEC], UPD16449N Datasheet - Page 21

• Manufacturer Part Number: UPD16449N
• Description: SOURCE DRIVER FOR 240-OUTPUT TFT-LCD
• Manufacturer: NEC [NEC]

Switching Characteristics (T
Timing Requirements (T
Remark Keep the rise and fall times of the logic input signals to within t
Start pulse propagation delay
time
Clock frequency 1
Clock frequency 2
Logic input capacitance
STHL, STHR input capacitance
Video input capacitance
Clock pulse width
Start pulse setup time
Start pulse hold time
Reset pulse width
INH setup time
INH hold time
Reset-INH time
INH pulse width
As an example, the switching characteristic wave of CLI1 is defined on the next page.
Parameter
Parameter
A
= 30 to +85 C, V
A
= 30 to +85 C, V
t
t
f
f
C
C
C
PW
t
t
PW
t
t
t
PW
PHL
PLH
CLK 1
CLK 2
SETUP
HOLD
ISETUP
IHOLD
R-I
I1
I2
3
Symbol
Symbol
CLI
RES
INH
C
C
With 3-phase clock input
Other than STHL, STHR
STHL, STHR
C1 to C3, V
Duty = 50%
DD1
Data Sheet S15677EJ1V0DS
L
L
= 20 pF
= 20 pF
DD1
= 3.0 to 5.5 V, V
= 3.0 to 5.5 V, V
Condition
Condition
VI
= 2.0 V
DD2
DD2
= 5.0 V
r
= t
= 5.0 V
f
MIN.
MIN.
= 5 ns (10 to 90%).
10
10
33
66
33
33
81
8
8
5
0.5 V, V
0.5 V, V
TYP.
TYP.
SS1
SS1
= V
= V
SS2
SS2
= 0 V)
MAX.
MAX.
54
54
15
15
20
50
8
= 0 V)
PD16449
MHz
MHz
CLK
Unit
Unit
pF
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
21