HD61830 Datasheet, PDF (37/43 Pages) Hitachi Semiconductor – LCDC (LCD Timing Controller)

HD61830/HD61830B
Timing Characteristics
HD61830B Clock Operation (V_CC = 5 V ±10%, GND = 0V, T_a = –20 to +75°C)
Item
Symbol Min
Typ
External clock operating frequency f_cp
100
—
External clock duty
Duty
47.5
50
External clock rise time
t _rcp
—
—
External clock fall time
t _fcp
—
—
SYNC output hold time
t _HSYO
30
—
SYNC output delay time
t _DSY
—
—
SYNC input hold time
t _HSYI
10
—
SYNC input set-up time
t _SSY
—
—
Notes: 1. Applied to external clock input terminal.
T_h
Max
Unit
2400
kHz
52.5
%
25.0
ns
25.0
ns
—
ns
210
ns
—
ns
180
ns
T_l
Notes
1
1
1
1
2, 3
2, 3
2
2
Oscillator
CR
0.7 V_CC
0.5 V_CC
0.3 V_CC
t_rcp
2. Applied to SYNC terminal.
t_fcp
Duty cycle = ^Th × 100%
T_h + T_l
CR
SYNC
(Output:
at master
mode)
0.7 V_CC
0.3 V_CC
t_DSY
t_HSYO
0.7 V_CC
t_HSYI
0.3 V_CC
t_SSY
t_DSY
t_HSYO
t_HSYI
t_SSY
SYNC
(Input:
at slave
mode)
3. Testing load circuit.
Test point
0.7 V_CC
0.3 V_CC
C_L
C_L = 30 pF
(C_L includes jig capacitance)
37