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Part Name(s) : FD650 FD650S FD650K ETC
Unspecified
Description : LED DRIVER CONTROL / KEYBOARD SCANning ASIC View

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 ETC
Unspecified
Description : LED drive CONTROL circuit dedicated View

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) : TM1637 ETC
Unspecified
Description : LED Drive CONTROL Special Circuit View

[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) : EKK8301 EMC
ELAN Microelectronics
Description : KEYBOARD Encoder View

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 EMC
ELAN Microelectronics
Description : KEYBOARD ENCODER View

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) : UCS2903 UCS2903S ETC1
Unspecified
Description : Three channel LED DRIVER CONTROL circuit View

UCS2903 is dedicated three-channel LED DRIVER CONTROL circuit, the internal MCU integrated digital interface, data latches, LED High voltage DRIVER circuit. Separate luminance realization of the chip through the external MCU CONTROL, cascade CONTROL is realized outdoor big screen color Dot emission CONTROL. Product excellent performance, reliable quality.

Part Name(s) : EM83053 EM83053A EM83053AH EM83053BH EMC
ELAN Microelectronics
Description : KEYBOARD ENCODER View

GENERAL DESCRIPTION
The EM83053A/BH microCONTROLler is dedicated to a KEYBOARD encoder ,specially designed for IBM PC AT and all compatible machines. The EM83053A/BH 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 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.

 

Part Name(s) : TM1668 ETC
Unspecified
Description : LED Dedicated drive CONTROL circuit View

[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) : KBD42W11 SMSC
SMSC -> Microchip
Description : KEYBOARD CONTROLler View

GENERAL DESCRIPTION
The KBD42W11 KEYBOARD CONTROLler is programmed to support the IBM® compatible personal computer KEYBOARD serial interface. The KEYBOARD CONTROLler receives serial data from the KEYBOARD, checks the parity of the data, translates the SCAN code, and presents the data to the system as a byte of data in its output buffer. The CONTROLler will interrupt the system when data is placed in its output buffer. The byte of data will be sent to the KEYBOARD serially with an odd parity bit automatically inserted. The KEYBOARD is required to acknowLEDge all data transmissions. No transmission should be sent to the KEYBOARD until acknowLEDgment is received for the previous byte sent.

FEATURES
• Supports IBM PC and Compatible System Designs
• Runs Much Faster Than Traditional KEYBOARD CONTROLlers
• Host interface Compatible with Traditional KEYBOARD CONTROLler
• 6 MHz – 12 MHz Operating Frequency
• Communicates with KEYBOARD Directly
• High-reliability CMOS Technology
• 40 Pin DIP and 44 Pin PLCC Package

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