
No. 5521-2/22
LC7874E
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Power supply voltage
V
DD
V
IH
1
V
IH
2
V
IH
3
V
IH
4
V
IH
5
V
IL
1
V
IL
2
V
DD
S1, S2, CB LINE, N/P, SON
3.0
5.0
5.5
V
0.7 V
DD
0.8 V
DD
0.8 V
DD
V
DD
+ 0.3
V
DD
+ 0.3
V
INIT, RESET
V
Input high-level voltage
CL
5.8
V
DB0 to DB3, HRESET, VRESET
2.2
V
DD
+ 0.3
V
SFSY, PW, SBSY, CE, DI, MUTE, CE1 to CE3
2.2
5.8
V
S1, S2, CB, LINE, N/P, SON
V
SS
– 0.3
V
SS
– 0.3
0.3V
DD
0.2V
DD
V
Input low-level voltage
CL, INIT, RESET
V
V
IL
3
SFSY, PW, SBSY, CE, DI, MUTE, DB0 to DB3,
V
SS
– 0.3
0.8
V
CE1 to CE3, HRESET, VRESET
Input frequency
F
SCIN
1
F
SCIN
2
V
IN
XIN1
14.31818
MHz
XIN2
17.734476
MHz
Input amplitude
XIN1, XIN2
0.5
V
DD
Vp-p
Allowable Operating Ranges
at Ta = –30°C to +85°C
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
S1, S2, SFSY, PW, SBSY, CE, DI, CL, MUTE,
Input high-level current
I
IH
1
DB0 to DB3, LINE, HRESET, VRESET, CE1 to 3,
5
μA
INIT, RESET, N/P, SON : V
IN
= V
DD
CB : V
IN
= V
DD
S1, S2, SFSY, PW, SBSY, CE, DI, CL, MUTE,
I
IH
2
30
100
200
μA
Input low-level current
I
IL
1
DB0 to DB3, CB, LINE, HRESET, VRESET,
–5
μA
CE1 to 3, INIT, RESET, N/P, SON : V
IN
= V
SS
SBCK, WE, RAS, A0 to 7, CAS, OE, DB0 to 3,
Output high-level voltage
V
OH
CDGM, ROUT0 to 3, GOUT0 to 3, BOUT0 to 3,
V
DD
– 1
V
DD
V
FSCO, 4FSCO, HSYNC, YS, CSYNC,
BLANK, EFLG : I
OH
= –0.5 mA
SBCK, WE, RAS, A0 to 7, CAS, OE, DB0 to 3,
Output low-level voltage
V
OL
CDGM, ROUT0 to 3, GOUT0 to 3, BOUT0 to 3,
V
SS
0.4
V
FSCO, 4FSCO, HSYNC, YS, CSYNC,
BLANK, EFLG : I
OL
= 2.0 mA
A0 to A7, RAS, CAS, OE, WE, DB0 to DB3,
Output off leakage current
I
OFF
HSYNC, ROUT0 to 3, GOUT0 to 3, BOUT0 to 3,
–5
+5
μA
CSYNC, BLANK, FSCO, 4FSCO
Built-in feedback resistance
R
X
f
O
I
DD
XIN1, XIN2
1
M
kHz
Clock frequency
SBCK
220
Operating current drain
V
DD
26
40
mA
Electrical Characteristics
at Ta = –30 to +85°C, V
DD
= 5 V unless otherwise specified