
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. 4861-3/19
LC7871E, 7871NE
Parameter
Symbol
Ratings
Unit
Maximum supply voltage
VDD max
VSS – 0.3 to +7.0
V
Maximum input voltage
VIN max
VSS – 0.3 to VDD + 0.3
V
Maximum output voltage
VOUT max
VSS – 0.3 to VDD + 0.3
V
Allowable power dissipation
Pd max
500
mW
Operating temperature
Topr
–30 to +85
°C
Storage temperature
Tstg
–40 + 125
°C
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD
VDD1, VDD2, VDD3
4.5
5.5
V
VIH (1)
RESET
0.7 VDD
VDD
V
SFSY, PW, SBSY, MUTE, TEST, TEST1, TEST2,
VIH (2)
SON, M1/M2, N/P1, N/P2, PALID, HRESET, VRESET,
2.2
VDD
V
Input high level voltage
1DB0 to 3, 2DB0 to 3
VIH (3)
CH0 to 15, DEN, CL, CE, DI
0.8 VDD
VDD
V
VIH (4)
S
0.9 VDD
VDD
V
VIL (1)
RESET
VSS
0.3 VDD
V
SFSY, PW, SBSY, MUTE, TEST, TEST1, TEST2,
VIL (2)
SON, M1/M2, N/P1, N/P2, PALID, HRESET, VRESET,
VSS
0.8
V
Input low level voltage
1DB0 to 3, 2DB0 to 3
VIL (3)
CH0 to 15, DEN, CL, CE, DI
VSS
0.2 VDD
V
VIL (4)
S
VSS
0.1 VDD
V
Input middle level voltage
VIM
S
0.37 VDD
0.43 VDD
V
Data setup time
tDS
DI, CL: Figure 1
200
ns
Data hold time
tDH
DI, CL: Figure 1
200
ns
High level clock pulse width
tWH
CL: Figure 1
400
ns
Low level clock pulse width
tWL
CL: Figure 1
400
ns
DO setup time
tDOS
DO, CL: Figure 1
250
450
ns
fin (1)
XIN1
14.31818
MHz
fin (2)
XIN2
17.734476
MHz
Input frequency
4FSC2
NTSC mode
14.31818
MHz
PAL mode
17.734476
MHz
FSCIN
NTSC mode
3.58
MHz
PAL mode
4.43
MHz
CE wait time
tCP
CE, CL: Figure 1
400
ns
CE setup time
tCS
CE, CL: Figure 1
0
ns
CE hold time
tCH
CE, CL: Figure 1
400
ns
Input amplitude
VIN
XIN1, XIN2, 4FSC2, FSCIN:
0.3
5
Vp-p
Sine wave, capacitive coupling
Reset pulse width
tWRES
RESET
400
ns
Parameter
Symbol
Conditions
min
typ
max
Unit
IDD (1)
VDD1
26
40
mA
Current drain
IDD (2)
VDD2
26
40
mA
IDD (3)
VDD3
11
15
mA
RESET, SFSY, PW, SBSY, CE, DI, CL, MUTE, TEST,
IIH (1)
TEST1, TEST2, SON, M1/M2, N/P1, N/P2, VRESET,
5
A
Input high level current
HRESET: VIN = VDD
IIH (2)
CH0 to 15, DEN: VIN = VDD
30
100
200
A
Continued on next page.