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Part Name(s) : FD650
Unspecified
Unspecified
Description : LED driver control / keyboard scanning ASIC

Overview
The FD650 is a dedicated LED drive control circuit with a keyboard scanning circuit interface. Integrated MCU input Output control digital interface, data latch, LED driver, keyboard scan, brightness adjustment and other circuits. Chip nature It can be stable, reliable in quality and strong in anti-interference ability, and can be adapted to applications with long-term continuous operation for 24 hours.

Feature description
• Display mode: 8 segments × 4 bits
• Segment drive current is not less than 25mA, word drive current is not less than 150mA
• Provides 8-level brightness control
keyboard scan: 7×4bit
• High speed two-wire serial interface
• Built-in clock oscillation circuit
• Built-in power-on reset circuit
• Support 3V-5.5V power supply voltage
• Available in DIP16 (FD650K) and SOP16 (FD650S) packages

Part Name(s) : SM1628C
Unspecified
Unspecified
Description : LED drive control circuit dedicated

LED M1628C is a kind of keyboard scan interface (light-emitting diode display) drive control professionals

Circuit, the internal MCU integrated digital interface, data latches, LED high voltage driver, the keyboard scan Other circuits.



This product is excellent performance, reliable quality. Mainly used in VCR, VCD, DVD and home



Theater products such as display drivers. SOP28 of use package.



 





 



 


Part Name(s) : TM1650
Unspecified
Unspecified
Description : LED drive control/keyboard scanning ASIC

[Titan Micro Electronics]

Characteristic description
TM1650 is an LED (light emitting diode display) drive control circuit with keyboard scanning interface. Integrated MCU Input and output control digital interface, data latch, LED drive, keyboard scanning, brightness adjustment and other circuits. TM1650 has stable performance and quality Reliable quantity, strong anti-interference ability, suitable for 24 hours long-term continuous work applications.

Features
➤ Two display modes: 8 segments × 4 digits and 7 segments × 4 digits
➤ Segment drive current is greater than 25mA, bit drive current is greater than 150mA
➤ Provide 8-level brightness control
keyboard scan: 7×4bit internal integrated transistor driver
➤ High-speed two-wire serial interface
➤ Built-in clock oscillation circuit
➤ Built-in power-on reset circuit
➤ Support 2.8V-5.5V power supply voltage
➤ Provide DIP16 and SOP16 packages

Applicable fields:
◇ Display drivers for household appliances such as set-top boxes, air conditioners, DVD/VCD, etc.

(Google Trans ...)

Part Name(s) : SM1628B
Unspecified
Unspecified
Description : LED Dedicated Drive control Circuit / SOP28 Pin

LED SM1628B as with a keyboard scan interface (light emitting diode display) The drive control professionals Circuit, the internal MCU integrated digital interface, data latches, LED high voltage driver, keyboard scanning And other circuits. This product is excellent and reliable quality. Mainly used in VCR, VCD, DVD and home Theater products such as display drivers. Use package SOP28 of. SM1628 SM1628B is an upgraded version of the chip adds a lot of static and interference protection circuit Structure. SM1628B anti-static and anti-power interference ability stronger, has better compatibility, Reliability and stability.




Part Name(s) : TM1637
Unspecified
Unspecified
Description : LED Drive control Special Circuit

[Titan Micro Electronics]

Features description
TM1637 is a kind of LED (light-emitting diode display) drive control special circuit with keyboard scan interface and its internally integrated with MCU digital interface, data latch, LED high pressure drive and keyboard scan. This product is in DIP20/SOP20 package type with excellent performance and high quality, which is mainly applicable to the display drive of induction cooker, micro-wave oven and small household electrical appliance.

Function features
► Applied power CMOS technique
► The display mode (8 segments*6 bit) supports output by common anode LED.
keyboard scan (8×2bit), with enhanced identification circuit
   with anti-interference keys
► Luminance adjustment circuit (adjustable 8 duty ratio)
► Two-wire serial interface (CLK, DIO)
► Oscillating type: Built-in RC oscillator
► Built-in power-on reset circuit
► Built-in automatic blanking circuit
► Package type: DIP20/SOP20

Part Name(s) : CS1694
Unspecified
Unspecified
Description : Dynamic LED controller / driver circuit / SOP28

CS1694 is a dynamic LED controller / driver with a variety of display modes 6 × 11 or 7 × 10 interior has 8 brightness control with key scan function can scan the keyboard matrix 10 × 2.



 



* using low-power CMOS process technology

* variety of display modes 6 Grids × 11 Segs or 7 Grids × 10 Segs

* button keyboard scan function 10 × 2 matrix

* with 8 brightness adjustment function

* with a serial interface directly with the MCU clock phase data input data output enable signal

* package SOP28



 





//www.semico.com.cn


Part Name(s) : TM1668
Unspecified
Unspecified
Description : LED Dedicated drive control circuit

[szpth]

Overview
TM1668 is a keyboard scanning interface with the LED (light-emitting diode display) drive control dedicated circuit, the internal set Into a MCU digital interface, data latch, LED high-voltage drive, keyboard scanning and other circuits. The product performance is excellent, quality reliable. Mainly used in VCR, VCD, DVD and home theater products such as the display driver. Using SOP24, SSOP24, SKDIP24, SDIP24 package.

Feature Description
► Using a power CMOS process
► Display mode (10 segments × 7 bits to 13 segments × 4 digits)
► Key scan (10 × 2bit)
► Brightness adjustment circuit (duty cycle adjustable 8)
► Serial interface (CLK, STB, DIO)
► Oscillation mode: built-in RC oscillation (450KHz + 5%)
► Built-in power-on reset circuit
► Package: SOP24, SSOP24, SKDIP24, SDIP24

Part Name(s) : EKK8301
ELAN Microelectronics
ELAN Microelectronics
Description : keyboard Encoder

General Description
The eKK8301 microcontroller is dedicated to a keyboard encoder, specially designed for IBM PC AT and all compatible machines. The eKK8301 control all scan codes, three LEDs status, scan timing and communications between the keyboard and PC. It is easy to implement a high performance, low cost keyboard with the minimal external components.

Features
■ Low cost - eliminate need external components.
■ Phantom key detects.
■ RC oscillator (1.8432MHz).
■ Support scan code set 1, 2 and 3.
■ Support PC AT and PS/2 keyboard.
■ Low power CMOS device technology.
■ Internal pull-up resistor.
■ Tri-state outputs for easy board application.
■ Built-in 4K ROM.
■ Support WINDOWS TM 95, 98, 2000, ME keys.
■ 104/107 keys with multi-media or other special application keyboard encoder.
■ WINDOWS is registered trademarks of Microsoft corporation.

Applications
■ IBM PC AT or compatible machine keyboard.
■ IBM PS/2 model 30, 50, 60, 80 or compatible machine keyboard.
■ Japanese keyboard.
■ Korean keyboard.
■ Brazilian keyboard.
■ European keyboard.

Part Name(s) : EM83055H
ELAN Microelectronics
ELAN Microelectronics
Description : keyboard ENCODER

GENERAL DESCRIPTION
The EM83055H microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT and all compatible machines. The EM83055H controll all scan codes, three LEDs status, scan timing and communications between the keyboard and PC. It is easy to implement a high performance, low cost keyboard with the minimal external components.

FEATURES
• Low cost - eliminate need external components.
• Phantom key detects.
• RC oscillator ( 1.8432MHz ).
• Support scan code set 1 ,2 and 3.
• Support PC AT and PS/2 keyboard .
• Low power CMOS device technology.
• Internal pull-up resistor.
• Tri-state outputs for easy board application.
• Built-in 4K ROM.
• Support WINDOWSTM 95, 98, 2000, ME keys.
• 104/107 keys with multi-media or other special application keyboard encoder.
• WINDOWS is registered trademarks of Microsoft corperation.

APPLICATION
• IBM PC AT or compatible machine keyboard.
• IBM PS/2 model 30,50,60,80 or compatible machine keyboard.
• Japanese keyboard.
• Korean keyboard.
• Brazilian keyboard.
• European keyboard.

Part Name(s) : EM83049
ELAN Microelectronics
ELAN Microelectronics
Description : keyboard ENCODER

GENERAL DESCRIPTION
The EM83049 microcontroller is dedicated to a keyboard encoder ,specially designed for IBM PC AT,XT and all compatible machines. The EM83049 controll all scan codes, three LEDs status, scan timing and communications between the keyboard and PC. It is easy to implement a high performance, low cost keyboard with the minimal external components.

FEATURES
• Low cost - eliminate need external components.
• Phantom key detects.
• RC oscillator ( 1.8432MHz ).
• Support scan code set 1 ,2 and 3.
• Support PC AT,XT and PS/2 keyboard .
• Low power CMOS device technology.
• Internal pull-up resistor.
• Tri-state outputs for easy board application.
• 40 Pin DIP package.
• Built-in 4K ROM.
• Support WINDOWSTM keys.
• 101/102/104 keys or other special application keyboard encoder.
• WINDOWS is registered trademarks of Microsoft corperation.

APPLICATION
• IBM PC/AT,XT or compatible machine keyboard.
• IBM PS/2 model 30,50,60,80 or compatible machine keyboard.
• Japanese keyboard.
• Korean keyboard.

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