UPD161622 NEC, UPD161622 Datasheet - Page 100

• Manufacturer Part Number: UPD161622
• Description: 396 OUTPUT TFT-LCD SOURCE DRIVER
• Manufacturer: NEC

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(d) Common
Notes 1. TYP. values are reference values when T
100
Oscillation frequency
Calibration setting time
(frame frequency)
Frame frequency
Reset pulse width at power on
Reset pulse width
Reset time
2. The resistor value of “R” is depending on the characteristic of the parasitism capacity such as wiring. It is
3. The relationship between the frame frequency and the calibration setting time is as follows.
4. Measured at T
5. Measured at ±5 C, after calibration at frame frequency = 80 Hz exactly.
recommended to determine this value after through evaluation with actual system.
Parameter
f
FRAME0
= 1/t
A
= –40 to +85 C, after calibration at frame frequency = 80 Hz, T
cal
x 177
f
f
t
(f
f
f
f
t
t
t
OSC1
OSC2
cal
FRAME1
FRAME2
FRAME3
VR
RW
R
Symbol
FRAME0
)
Internal oscillator (R
External resistance connection oscillator
(R
Note3
Uncalibrated
Calibrated
Calibrated
V
/RESET to interface operation
CC1
SEL
or V
= H), R = 51 k
Data Sheet S15649EJ2V0DS
CC2
A
Note4
Note5
= 25 C.
to /RESET
Condition
SEL
Note2
= L)
(128.4)
MIN.
250
100
100
100
44
38
72
77
A
= 25 C exactly.
TYP.
(68.7)
82.2
450
450
70
80
80
Note1
PD161622
(32.6)
MAX.
750
184
115
88
83
(Hz)
Unit
kHz
kHz
Hz
Hz
Hz
ns
ns
ns
s