LC74785M View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LC74785M Datasheet PDF : 24 Pages
| |||
LC74785, LC74785M
Timing Characteristics at Ta = –30 to +70°C, VDD1 = 5 ±0.5 V
OSD write (See Figure 1.)
Parameter
Minimum input pulse width
Data setup time
Data hold time
One word write time
Symbol
Conditions
tW(SCLK)
tW(CS1)
tSU(CS1)
tSU(SIN)
th(CS1)
th(SIN)
tword
twt
SCLK
CS1 (The period when CS1 is high)
CS1
SIN
CS1
SIN
The time to write 8 bits of data
The RAM data write time
EDS read (For the n-channel open-drain circuit, see Figure 2.)
Parameter
Symbol
tCKCY
Minimum input pulse width
tCKL
tCKH
Setup time
tICK
Output delay time
tCKO
Note: The CMOS output circuit follows the OSD timing.
SCLK
SCLK
SCLK
SCLK
CPDT
Conditions
Ratings
Unit
min
typ
max
200
ns
1
µs
200
ns
200
ns
2
µs
200
ns
4.2
µs
1
µs
min
2
1
1
10
Ratings
typ
Unit
max
µs
µs
µs
µs
0.5
µs
First byte
Second byte
Figure 1 OSD Serial Data Input Timing
Note: CPDT goes to the high-impedance state when CS2 is high.
Figure 2 EDS Serial Output Test Conditions (For the n-channel open-drain circuit.)
No. 5520-5/24
Share Link: 