HD61202U Datasheet, PDF (32/33 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal GraphicDisplay Column Driver

Clock Timing (GND = 0V, V_CC = 2.7 to 5.5V, Ta = –20 to +75°C)
Item
ø1, ø2 cycle time
ø1 low level width
ø2 low level width
ø1 high level width
ø2 high level width
ø1–ø2 phase difference
ø2–ø1 phase difference
ø1, ø2 rise time
ø1, ø2 fall time
Symbol
t_cyc
t_WLø1
t_WLø2
t_WHø1
t_WHø2
t_D12
t_D21
t_r
t_f
Min
2.5
625
625
1875
1875
625
625
—
—
Limit
Typ
Max
—
20
—
—
—
—
—
—
—
—
—
—
—
—
—
150
—
150
Unit
µs
ns
ns
ns
ns
ns
ns
ns
ns
HD61202U
Test Condition
Fig. 13
t_f
t_r
t_cyc
t_WHø1
VIHC
ø1
VILC
t_WLø1
t_D12
t_D21
VIHC
ø2
VILC
t_WHø2
t_f
t_WLø2
t_r
t_cyc
Figure 13 External Clock Waveform
847