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Sanyo Electric Components Datasheet

LC7573N Datasheet

1/2 Duty VFD Driver for Frequency Display

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LC7573N pdf
Ordering number : EN*3587B
CMOS LSI
LC7573N, 7573NM
1/2 Duty VFD Driver for Frequency Display
Preliminary
Overview
The LC7573N and LC7573NM are 1/2 duty VFD drivers
that can be used for electronic tuning frequency display
and other applications under the control of a controller.
These products can directly drive VFDs with up to 38
segments.
Features
• 38 segment outputs
• Noise reduction circuits are built into the output drivers.
• Serial data input supports CCB* format
communications with the system controller.
• Switching between digital and analog dimmers under
serial data control
• High generality since display data is displayed without
the intervention of a decoder
• All segments can be turned off with the BLK pin
Package Dimensions
unit: mm
3061-DIP30S
[LC7573N]
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
unit: mm
3073A-MFP30S
Pin Assignment
[LC7573NM]
SANYO: DIP30S
SANYO: MFP30S
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
O2095HA (OT)/3242JN No.3587-1/10


Sanyo Electric Components Datasheet

LC7573N Datasheet

1/2 Duty VFD Driver for Frequency Display

No Preview Available !

LC7573N pdf
LC7573N, 7573NM
Specifications
Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V
Parameter
Maximum supply voltage
Input voltage
Output voltage
Output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VDD max
VFL max
VIN1
VIN2
VOUT1
VOUT2
IOUT1
IOUT2
Pd max
Topr
Tstg
Conditions
VDD
VFL
DI, CL, CE, BLK, DIM
OSC
S1 to S19, G1, G2
OSC
S1 to S19
G1, G2
Ta = 85°C
Ratings
–0.3 to +6.5
–0.3 to +21.0
–0.3 to +6.5
–0.3 to VDD + 0.3
–0.3 to VFL + 0.3
–0.3 to VDD + 0.3
5
30
150
–40 to +85
–50 to +125
Unit
V
V
V
V
V
V
mA
mA
mW
°C
°C
Allowable Operating Ranges at Ta = –40 to +85°C, VDD = 4.5 to 5.5 V, VSS = 0 V
Parameter
Supply voltage
Input high level voltage
Input low level voltage
Guaranteed oscillator range
Recommended external
resistance
Recommended external
capacitance
Low level clock pulse width
High level clock pulse width
Data setup time
Data hold time
CE wait time
CE setup time
CE hold time
BLK switching time
Input voltage range
Symbol
VDD
VFL
VIH
VIL
fOSC
ROSC
VDD
VFL
DI, CL, CE, BLK
DI, CL, CE, BLK
OSC
OSC
Conditions
COSC
tøL
tøH
tds
tdh
tcp
tcs
tch
tc
VIN
OSC
CL: Figure 1
CL: Figure 1
DI, CL: Figure 1
DI, CL: Figure 1
CE, CL: Figure 1
CE, CL: Figure 1
CE, CL: Figure 1
BLK, CE: Figure 3
DIM
min
4.5
8
0.8 VDD
0
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.5
10
0
typ max Unit
5.0 5.5 V
12 18 V
5.5 V
0.2 VDD
V
1.6 3.0 MHz
12 k
50 pF
+5.5
µs
µs
µs
µs
µs
µs
µs
µs
V
Electrical Characteristics in the Allowable Operating Ranges
Parameter
Input high level current
Input low level current
Output high level voltage
Output low level voltage
Oscillator frequency
Hysteresis voltage
A/D converter linearity error
Current drain
Symbol
IIH
IIL
VOH1
VOH2
VOL
fOSC
VH
Err
IDD
Conditions
DI, CL, CE, BLK, DIM: VI = 5.5 V
DI, CL, CE, BLK, DIM: VI = 0 V
S1 to S19: IO = 2 mA
G1, G2: IO = 25 mA
S1 to S19, G1, G2: IO = –5 µA, Ta = 25°C
ROSC = 12 k, COSC = 50 pF
DI, CL, CE, BLK
DIM
Outputs open: fOSC = 1.6 MHz
min
–5
VFL – 0.6
VFL – 0.6
0.125
0.5
–1/2
typ
0.25
1.6
max
5
0.5
+1/2
5
Unit
µA
µA
V
V
V
MHz
V
LSB
mA
No. 3587-2/10


Part Number LC7573N
Description 1/2 Duty VFD Driver for Frequency Display
Maker Sanyo Semicon Device
Total Page 10 Pages
PDF Download
LC7573N pdf
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