UPD16640C NEC, UPD16640C Datasheet - Page 8

• Manufacturer Part Number: UPD16640C
• Description: 300/309-OUTPUT TFT-LCD SOURCE DRIVER 64 GRAY SCALE
• Manufacturer: NEC

5. RELATIONSHIP BETWEEN INPUT DATA AND OUTPUT PIN
(1) R,/L = H (right shift)
(2) R,/L = L (left shift)
6. OPERATION OF OUTPUT BUFFER
8
Data format : 6 bits x RGB(3 dots)
Input width : 18 bits
The output buffer consists of an operational amplifier circuit that does not perform precharge operation.
Therefore, driver output current I
Output
Output
Data
Data
V
V
S
DD2
SS2
n
D
D
00
00
S
S
to D
to D
1
1
05
05
D
D
(I
10
10
Write
VOL1/2
S
S
to D
to D
2
2
/I
15
15
VOH1/2
VOH1/2
Figure 6-1. LCD Panel Driving Waveform
D
D
)
20
20
is the charging current to the LCD, and I
S
S
1 horizontal period
to D
to D
3
3
25
25
Data Sheet S11269EJ1V1DS00
D
D
10
10
S
S
to D
to D
308
299
15
15
D
D
Write
(I
20
20
VOL1/2
S
S
to D
to D
309
300
VOL1/2
/I
VOH1/2
25
25
is the discharging current.
)
PD16640C