lc74776m Sanyo Semiconductor Corporation, lc74776m Datasheet - Page 6

• Manufacturer Part Number: lc74776m
• Description: Vps/pdc Video On-screen Display
• Manufacturer: Sanyo Semiconductor Corporation

Timing Characteristics at Ta = –30 to +70°C, V
Minimum input pulse width
Data setup time
Data hold time
One word write time
SCL frequency
Bus release time
Start/hold
SCL low-level period
SCL high-level period
Data hold
Data setup
Rise time
Fall time
Stop/setup
• OSD Write (See figure 1.)
• PDC/VPS Write and Read (I
Paremeter
Paremeter
2
C timing)
t
W
t
t
t
t
t
t
t
SU
t
HD
HD
SU
SU
SU
Symbol
t
Symbol
W
h
h
t
t
(SCLK)
t
t
f
HIGH
LOW
word
(SIN)
SCL
BUF
(CS)
t
: STA
: DAT
: DAT
: S
(CS)
t
t
(SIN)
wt
(CS)
R
F
TO
SCLK
CS (The period when CS is high)
CS
SIN
CS
SIN
The 8-bit data write time
The RAM data write time
LC74776, 74776M
DD
1 = 5 ±0.5 V
Conditions
Conditions
min
min
250
200
200
200
200
4.7
4.0
4.7
4.0
4.0
4.2
0
1
2
1
Ratings
Ratings
typ
typ
max
max
1000
100
300
No. 6018-6/35
kHz
Unit
Unit
µs
µs
µs
µs
µs
ns
ns
ns
µs
ns
µs
ns
ns
µs
ns
µs
µs