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PDF TB62709 Data sheet ( Hoja de datos )

Número de pieza TB62709
Descripción 7-SEGMENT DRIVERS WITH BUILT-IN DECODERS
Fabricantes Toshiba 
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No Preview Available ! TB62709 Hoja de datos, Descripción, Manual

TOSHIBA Bi-CMOS Integrated
Circuit Silicon Monolithic
TB62709N/F
Intelligent, Constant Current, 7 segment LED numeric display
decoder/driver. For use with common anode configuration
numeric displays.
TB62709N
The TB62709N/F is an intelligent Constant Current LED display
driver designed specifically for seven segment LED display ap-
plications. The stand alone device includes all of the decode,
multiplex and driver circuitry necessary to control up to four seven
segment LED digits. All of the information required to program
up to four LED digits is input serially including a 16 step bright-
ness control. Expansion beyond four digits is possible with a
cascade connection to a second device. The device automati-
cally refreshes and maintains the displayed information.
SDIP24-P-300-1.78 Weight: 1.62g (Typ.)
TB62709F
Features
• Constant Current segment drivers for consistent display
brightness.
• Single device saves labor and board space.
• Internal character set simplifies design efforts.
• Automatically handles multiplex and display refresh tasks.
• 16 step programmable brightness control.
• Single device controls up to four digits.
• Available in thru hole and surface mount packages.
• Data out cascade port for expansion beyond four digits.
Performance Characteristics
VDD = 4.5V~5.5V
Digit enable: 17V / 400mA
Segment select: 17V / 0-40mA
Max transition frequency: 15Mhz
SSOP24-P-300-1.00 Weight: 0.32g (Typ.)
marktech
optoelectronics
120 Broadway • Menands, New York 12204
Toll Free: (800) 98-4LEDS • Fax: (518) 432-7454
For up-to-date product info visit our web site at www.marktechopto.com
584
All specifications subject to change.

1 page




TB62709 pdf
TOSHIBA Bi-CMOS Integrated
Circuit Silicon Monolithic
TB62709N/F
Recommended Operating Conditions:
CHARACTERISTICS
SYMBOL
CONDITION
MIN. TYP. MAX. UNIT
Output Stage
Supply Voltage
VCC
4.0 — 6.0 V
Digit 0~3 Output Current
IDIG VOUT=3.0V
— — -320 mA
Out a~DP Output Current
ISEG VCE=0.7V
— — 40 mA
Logic
Supply Voltage
VDD
4.5 — 5.5 V
High Level Input Current
IIH
Data-In,
Load&Clock,VIN=VDD
— — 1 µA
Low Level Input Current
High Level Input Voltage
Low Level Input Voltage
Switching Condition
IIL Data-In, Load&Clock,VIN=0V — — -1 µA
VIH
0.7
VDD
V
VIL
0.3
VDD
V
Data Hold Time (D-IN Clock)
tDHO
30 — — ns
Data Setup Time (D-IN Clock)
tDST
50 — — ns
Propagation Delay (Clock D-Out) tPDSO CL=10pf
50 — — ns
High Level Pulse Width Of Clock
tCLKH
30 — — ns
Low Level Pulse Width Of Clock tCLKL
30 — — ns
Pulse Width Of Load
twLD
150 — — ns
Setup Time (Clock-Load)
tCKLD
100 — — ns
Setup Time (Load-Clock)
tLDCLK
100 — — ns
marktech
optoelectronics
120 Broadway • Menands, New York 12204
Toll Free: (800) 98-4LEDS • Fax: (518) 432-7454
For up-to-date product info visit our web site at www.marktechopto.com
588
All specifications subject to change.

5 Page





TB62709 arduino
TOSHIBA Bi-CMOS Integrated
Circuit Silicon Monolithic
TB62709N/F
Brightness Control
Brightness is controlled by controlling the “on time” duty cycle. The device allows for 16 bright-
ness steps as illustrated in list 3 with 0/16 as the dimmest setting (not illuminated) to 15/16 as
the brightest setting. The duty cycle control register is addressed with a 20 Hex command at
D15~D8 and the appropriate data per list 3 at D3~D0. D7~D4 are not recognized by the duty
cycle register. The initial state, upon power up is 15/16, or full brightness.
Duty Cycle
0/16
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
10/16
11/16
12/16
13/16
14/16
15/16
D15~D8
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
20H
REGISTER DATA
D7~D4 D3 D2 D1 D0
— 0000
— 0001
— 0 0 10
— 00 11
— 0 100
— 0 10 1
— 0 1 10
— 0 111
— 1000
— 100 1
— 10 10
— 10 11
— 1100
— 110 1
— 1 1 10
— 1111
Hex Code
20X0H
20X1H
20X2H
20X3H
20X4H
20X5H
20X6H
20X7H
20X8H
20X9H
20XAH
20XBH
20XCH
20XDH
20XEH
20XFH
INITIAL
STATE
“x” indicates that data is required in this field to execute the function. “-” indicates that data in
this field is not required and not recognized.
marktech
optoelectronics
120 Broadway • Menands, New York 12204
Toll Free: (800) 98-4LEDS • Fax: (518) 432-7454
For up-to-date product info visit our web site at www.marktechopto.com
594
All specifications subject to change.

11 Page







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