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LC7267 Datasheet(PDF) 2 Page - Sanyo Semicon Device

Part No. LC7267
Description  Digital Display of Clock/Receiving Frequency for Radio Set Applications
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Manufacturer  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC7267 Datasheet(HTML) 2 Page - Sanyo Semicon Device

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Specifications
Absolute Maximum Ratings at VSS =0 V
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
–0.3 to +11
V
Input voltage
VIN
–0.3 to VDD+0.3
V
Output voltage
VO1XOUT
–0.3 to VDD+0.3
V
VO2
Output pins other than XOUT, output : off
0 to 15
V
Allowable power
dissipation
Pd max
Ta
% 65°C
550
mW
Allowable power
dissipation of segment
outputs
Pd seg 1
PM VDD = 4.5 to 6 V, IOL =50mA
35
mW
Pd seg 2
b&e VDD = 4.5 to 6 V, IOL =33mA
30
mW
Pd seg 3
Other outputs VDD = 4.5 to 6.5 V,
IOL = 16.5 mA
15
mW
Pd seg 4
PM VDD = 6.0 to 10 V, IOL =54mA
38
mW
Pd seg 5
b&e VDD = 6.0 to 10 V, IOL =36mA
25
mW
Pd seg 6
Other outputs VDD = 6.0 to 10 V,
IOL =18mA
13
mW
Operating temperature
Topr
–30 to +65
°C
Storage temperature
Tstg
–40 to +125
°C
Allowable Operating Conditions at Ta = 25°C, VSS =0V, VDD = 4.5 to 10 V
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VDD
4.5
10
V
Input high-level voltage
VIH1
INHI, CTR/CLK, DEMAND
0.8VDD
VDD
V
VIH2
SET, FM/AM
0.85VDD
VDD
V
VIH3
FIF1, FIF2, FIF3
AIF1, AIF2, 12H/24H
0.9VDD
VDD
V
Input low-level voltage
VIL1
INHI, CTR/CLK, DEMAND
0
0.2VDD
V
VIL2
SET, FM/AM
0
0.15VDD
V
VIL3
FIF1, FIF2, FIF3
AIF1, AIF2, 12H/24H
0
0.1VDD
V
Input medium-level
voltage
VIM
SET
0.45VDD
0.55VDD
V
Input frequency
fIN1
FMI, sine wave, capacitive coupling, VIN1 = 0.7Vp-p
1
18
MHz
fIN2
AMI, sine wave, capacitive coupling, VIN2 = 0.5Vp-p
0.5
3
MHz
fIN3
XIN, sine wave, capacitive coupling, VIN3 = 1Vp-p
0.2
7.5
MHz
Input amplitude
VIN1
FMI, sine wave, capacitive coupling,
fIN1=1to18MHz
0.7
0.9VDD
Vp-p
VIN2
AMI, sine wave, capacitive coupling,
fIN2 = 0.5 to 3 MHz
0.5
0.9VDD
Vp-p
VIN3
XIN, sine wave, capacitive coupling,
fIN3 = 0.2 to 7.5 MHz
1.0
0.9VDD
Vp-p
Segment current
Iseg 1
PM
45
mA
Iseg 2
b&e
30
mA
Iseg 3
Other outputs seg
15
mA
Electrical Characteristics at VDD = 4.5 to 10 V, VSS =0V
Parameter
Symbol
Conditions
min
typ
max
Unit
Input high-level current
IIH1
FIF1 to FIF3, AIF1 to AIF2, SET, FM/AM, 12H/24H
CTR/CLK, VI =VDD
010
µA
IIH2
INHI, VI =VSS
40
1000
µA
IIH3
DEMAND, VI =VDD
40
1000
µA
Input low-level current
IIL
FIF1 to FIF3, AIF1 to AIF2, SET, FM/AM, 12H/24H,
CTR/CLK, VI =VSS
–10
0
µA
Input floating voltage
VIF1
INHI, VI = open
0
0.2
V
VIF2
DEMAND, VI = open
0
0.1VDD
V
Continued next page.
LC7267
No. 1511- 2/10


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