Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS= 0 V
Allowable Operating Ranges at Ta = 25°C, VSS= 0 V
Electrical Characteristics at Ta = 25°C, VSS= 0 V, VDD= 5 V
No. 4868-3/17
LC7872E
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
DD
max VSS– 0.3 to +7.0 V
Maximum input voltage V
IN
max VSS– 0.3 to VDD+ 0.3 V
Maximum output voltage V
OUT
max VSS– 0.3 to VDD+ 0.3 V
Allowable power dissipation Pd max 300 mW
Operating temperature Topr –30 to +85 °C
Storage temperature Tstg –40 to +125 °C
Parameter Symbol Conditions min typ max Unit
Supply voltage V
DD
VDD1, VDD2 4.5 5.5 V
V
IH
(1) RESET 0.7 V
DD
V
DD
V
Input high level voltage
V
IH
(2)
SFSY, PW, SBSY, CE, DI, CL, MUTE, DB0 to DB3,
2.2 V
DD
V
PALID, HRESET, VRESET, N/P1, N/P2, SON
V
IH
(3) S1, S2, CB, TEST, TEST1, LINE, DEN 0.8 V
DD
V
DD
V
V
IL
(1) RESET V
SS
0.3 V
DD
V
Input low level voltage
V
IL
(2)
SFSY, PW, SBSY, CE, DI, CL, MUTE, DB0 to DB3,
V
SS
0.8 V
PALID, HRESET, VRESET, N/P1, N/P2, SON
V
IL
(3) S1, S2, CB, TEST, TEST1, LINE, DEN V
SS
0.2 V
DD
V
High level clock pulse width t
øH
CL: Figure 1 400 ns
Low level clock pulse width t
øL
CL: Figure 1 400 ns
Data setup time t
DS
CL, DI: Figure 1 200 ns
Data hold time t
DH
CL, DI: Figure 1 200 ns
CE wait time t
CP
CE, CL: Figure 1 400 ns
CE setup time t
CS
CE, CL: Figure 1 400 ns
CE hold time t
CH
CE, CL: Figure 1 400 ns
DO setup time t
DOS
CL, DO: Figure 1 130 300 ns
fin (1) XIN1 14.31818 MHz
fin (2) XIN2 17.734476 MHz
Input frequency fin (3) 4FSC2
NTSC mode 14.31818 MHz
PAL mode 17.734476 MHz
fin (4) FSCIN
NTSC mode 3.58 MHz
PAL mode 4.43 MHz
Input amplitude V
IN
XIN1, XIN2, 4FSC2, FSCIN:
0.3 5 Vp-p
sine wave, capacitive coupling
Reset pulse width t
WRES
RESET 400 ns
Parameter Symbol Conditions min typ max Unit
Current drain
I
DD
(1) VDD1 24 40 mA
I
DD
(2) VDD2 12 20 mA
S1, S2, SFSY, PW, SBSY, CE, DI, CL, MUTE, LINE,
Input high level current
IIH(1) HRESET, VRESET, N/P1, N/P2, RESET, SON: 5 µA
V
IN
= V
DD
IIH(2) CB, TEST, TEST1, DEN: VIN= V
DD
30 100 200 µA
S1, S2, SFSY, PW, SBSY, CE, DI, CL, MUTE, LINE,
Input low level current
VIL(1) HRESET, VRESET, N/P1, N/P2, RESET, SON: –5 µA
V
IN
= V
SS
VIL(2) PALID: VIN= V
SS
–200 –100 –30 µA
SBCK, WE, RAS, CAS, OE, A0 to A7, DB0 to DB3,
Output high level voltage V
OH
CDGM, TRANS0 to TRANS5, VSYNC, YS, CSYNC, VDD– 1 V
DD
V
EFLG, FSX, FSC: I
O
= –0.5 mA
Continued on next page.