tb62708n Marktech Optoelectronics, tb62708n Datasheet

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tb62708n

Manufacturer Part Number
tb62708n
Description
16 Bit Constant Current Led Source Driver With Shift Register And Latch Functions
Manufacturer
Marktech Optoelectronics
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
tb62708nG
Manufacturer:
TOSHIBA
Quantity:
1 000
Company Headquarters
3 Northway Lane North
Latham, New York 12110
Toll Free: 800.984.5337
Fax: 518.785.4725
For up-to-date product info visit our web site at www.marktechopto.com
TB62708N
16 Bit Constant Current LED Source Driver with Shift Register and Latch Functions
Product Description:
The TB62708N is specifically designed for LED display applications. The Bi-CMOS device has
16 Bi-polar constant current output source channels and includes CMOS shift register and latch
functions.
The LED drive current is programmed by the
installation of a single resistor per device.
Current is programmable from 5-90mA and is
held constant across all 16 source outputs
effectively compensating for the inherent
circuit and component variables which affect
the brightness of the LEDs.
Features:
• Current Source Device
• 16 Constant Current Output Channels
• Current Programmable from 5-90mA
• 5V CMOS Compatible Inputs
• 15MHz Max Clock Frequency (Cascade)
Block Diagram:
Constant Cur
Constant Cur
Constant Cur
Constant Curr r r r r ent Interf
Constant Cur
Web: www.marktechopto.com | Email: info@marktechopto.com
T T T T T OSHIB
OSHIB
OSHIB
OSHIBA Bi-CMOS
OSHIB
ent Interf
ent Interf
ent Interface Dri
ent Interf
A Bi-CMOS
A Bi-CMOS
A Bi-CMOS
A Bi-CMOS
TB62708N
SDIP30-P-400
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All specifications subject to change.
950 South Coast Drive, Suite 265
Costa Mesa, California 92626
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California Sales Office:
Toll Free: 800.984.5337
Fax: 714.850.9314

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tb62708n Summary of contents

Page 1

... TB62708N 16 Bit Constant Current LED Source Driver with Shift Register and Latch Functions Product Description: The TB62708N is specifically designed for LED display applications. The Bi-CMOS device has 16 Bi-polar constant current output source channels and includes CMOS shift register and latch functions. ...

Page 2

... Constant Curr ent Interf Constant Cur Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Timing Diagram: Latches are: 1. Level Sesitive 2. Not edge sensitive 3. Not clock synchronous 4. Passing Data when LATCH Hold Data when LATCH is L All Outputs are OFF when ENABLE is H and ON when ENABLE is L. ...

Page 3

... Constant Cur Constant Cur Constant Curr ent Interf Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Truth Table: CLOCK UP DOWN UP DOWN No Edge No Edge Equivalent Circuit of Inputs and Outputs: Maximum Ratings: CHARACTER Supply Voltage Supply Voltage for LED Output Voltage ...

Page 4

... Constant Cur Constant Cur Constant Curr ent Interf Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Recommended Operating Condition: CHARACTERISTIC Supply Voltage Supply Voltage for LED Outout Voltage Output Current Input Voltage LATCH Pulse Width CLOCK Pulse Width ...

Page 5

... Constant Cur Constant Cur Constant Curr ent Interf Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Electrical Characteristics: CHARACTERISTIC "H" level Input Voltage "L" level Output Leakage Current Output SERIAL-OUT Voltage Output Current 1 Current Skew Supply Voltage Regulation ...

Page 6

... Constant Cur Constant Cur Constant Curr ent Interf Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Switching Characteristics: CHARACTERISTIC CLK-SOUT Propagation CLK-OUTn Delay Time LATCH-OUTn ("L" to "H") ENABLE-OUTn CLK-OUTn Propagation LATCH-OUTn Delay Time ENABLE-OUTn ("H" to "L") ...

Page 7

... Constant Curr ent Interf Constant Cur Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Timing Wave Form: Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Web: www.marktechopto.com | Email: info@marktechopto.com Fax: 518.785.4725 For up-to-date product info visit our web site at www.marktechopto.com ...

Page 8

... Constant Cur Constant Cur Constant Curr ent Interf Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Graphs: Current Programming Resistor Selection:: Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Web: www.marktechopto.com | Email: info@marktechopto.com Fax: 518.785.4725 For up-to-date product info visit our web site at www ...

Page 9

... Constant Cur Constant Cur Constant Curr ent Interf Constant Cur Constant Cur TB62708N TB62708N TB62708N TB62708N TB62708N Application Circuit: Outline Drawing: Company Headquarters 3 Northway Lane North Latham, New York 12110 Toll Free: 800.984.5337 Fax: 518.785.4725 Web: www.marktechopto.com | Email: info@marktechopto.com For up-to-date product info visit our web site at www ...

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