
Pin Assignment
Specifications
Absolute Maximum Ratings at Ta = 25°C
Allowable Operating Ranges at Ta = –30 to +70°C
Note: If the XtalIN pin is used in clock input mode, be sure to prevent input noise from becoming a problem.
No. 4989-3/16
LC74782, 74782M
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
VDD1 and VDD2 pins
VSS – 0.3 to VSS + 7.0
V
Maximum input voltage
VIN max
All pins
VSS – 0.3 to VDD + 0.3
V
Maximum output voltage
VOUT max
BLANK, CHARA and SEPOUT pins
VSS – 0.3 to VDD + 0.3
V
Allowable power dissipation
Pd max
Ta = 25°C
350
mW
Operating temperature
Topr
–30 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD1
VDD1 pin
4.5
5.0
5.5
V
VDD2
VDD2 pin
4.5
5.0
1.27 VDD1
V
Input high level voltage
VIH1
RST, CS, SIN and SCLK pins
0.8 VDD1
VDD1 + 0.3
V
VIH2
CTRL1, CTRL2, CTRL3 and SEPIN pins
0.7 VDD1
VDD1 + 0.3
V
Input low level voltage
VIL1
RST, CS, SIN and SCLK pins
VSS – 0.3
0.2 VDD1
V
VIL2
CTRL1, CTRL2, CTRL3 and SEPIN pins
VSS – 0.3
0.3 VDD1
V
Pull-up resistance
RPU
RST, CS, SIN and SCLK pins, applies to pins set
25
50
90
k
by options.
Composite video input voltage
VIN1
CVIN pin: VDD1 = 5 V
2.0
Vp-p
VIN2
SYNIN pin: VDD1 = 5 V
2.0
2.5
Vp-p
Input voltage
VIN3
XtalIN pin (in external clock input mode),
0.10
5.0
Vp-p
fin = 2fsc or 4fsc: VDD1 = 5 V
FOSC1
XtalIN and XtalOUT oscillator pins (2fsc: NTSC)
7.159
MHz
FOSC1
XtalIN and XtalOUT oscillator pins (4fsc: NTSC)
14.318
MHz
FOSC1
XtalIN and XtalOUT oscillator pins (2fsc: PAL)
8.867
MHz
FOSC1
XtalIN and XtalOUT oscillator pins (4fsc: PAL)
17.734
MHz
Oscillator frequency
FOSC1
XtalIN and XtalOUT oscillator pins (2fsc: PAL-M)
7.151
MHz
FOSC1
XtalIN and XtalOUT oscillator pins (4fsc: PAL-M)
14.302
MHz
FOSC1
XtalIN and XtalOUT oscillator pins (2fsc: PAL-N)
7.164
MHz
FOSC1
XtalIN and XtalOUT oscillator pins (4fsc: PAL-N)
14.328
MHz
FOSC2
OSCIN and OSCOUT oscillator pins (LC oscillator)
5
10
MHz