UPD160062 NEC, UPD160062 Datasheet - Page 10

• Manufacturer Part Number: UPD160062
• Description: 420-OUTPUT TFT-LCD SOURCE DRIVER
• Manufacturer: NEC

8. RELATIONSHIP BETWEEN STB, CLK AND OUTPUT WAVEFORM
10
The output voltage is written to the LCD panel synchronized with the STB falling edge.
Remarks 1. STB = L: SW1 = ON, STB = H: SW1 = OFF
(V
OUT
: External output)
(External input)
(External input)
DAC
S
2. STB = H is acknowledged at timing [1] .
3. The display data latch is completed at timing [2] and the input voltage (V
n
CLK
STB
V
voltage) of the output amplifier changes.
AMP(IN)
SW1: ON
Figure 8−2. Output Circuit Timing Waveform
Figure 8−1. Output Circuit Block Diagram
Output
Data Sheet S16449EJ1V0DS
+
−
V
[1]
Output Amp.
AMP(IN)
[2]
SW1: OFF
Hi-Z
SW1
SW1: ON
Output
AMP(IN)
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(V
: gray-scale level
S
n
X
µ
)
PD160062