LC74731 Sanyo Semicon Device, LC74731 Datasheet - Page 8

• Manufacturer Part Number: LC74731
• Description: On-Screen Display Controller
• Manufacturer: Sanyo Semicon Device

OSD Write (See figure 1.) at Ta = –30 to +70°C, V
Supplementary Materials
Minimum input pulse width
Data setup time
Data hold time
One word write time
CS
SCLK
SIN
CS
SCLK
Parameter
0
t
su
(cs)
1
t
Symbol
t
w
t
t
t
su
t
su
h
w
h
t
word
(sclk)
t
(sin)
(cs)
(cs)
(sin)
wt
(cs)
t
word
t
t
Figure 1 OSD Serial Data Input Timing
w
su
SCLK
CS (the period when CS is high)
CS
SIN
CS
SIN
The time to write 8 bits of data
RAM data write time
(sclk)
(sin)
5
6
t
t
w
h
LC74731W,74732W
(sclk)
(sin)
7
DD
t
wt
Conditions
1 = 5 ± 0.5 V
0
1
4
5
min
200
200
200
200
4.2
t
h
1
2
1
(cs)
6
Ratings
7
typ
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—
—
—
—
—
—
—
t
w
(cs)
max
No. 6526-8/38
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Unit
ns
µs
ns
ns
µs
ns
µs
µs