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W741E260

Features: • Operating voltage: 2.4V to 5.5V (LCD drive voltage: 3.0V, or 4.5V)• Crystal/Ceramic oscillator: up to 4 MHz• RC oscillator: up to 4 MHz• Dual-clock operation is selected by code option• Main oscillator − Crystal or RC oscillation circuit can be selec...

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SeekIC No. : 004544936 Detail

W741E260: Features: • Operating voltage: 2.4V to 5.5V (LCD drive voltage: 3.0V, or 4.5V)• Crystal/Ceramic oscillator: up to 4 MHz• RC oscillator: up to 4 MHz• Dual-clock operation is s...

W741E260 Data Sheet

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Part Number:
W741E260
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Operating voltage: 2.4V to 5.5V (LCD drive voltage: 3.0V, or 4.5V)
• Crystal/Ceramic oscillator: up to 4 MHz
• RC oscillator: up to 4 MHz
• Dual-clock operation is selected by code option
• Main oscillator
   − Crystal or RC oscillation circuit can be selected by code option
   − In crystal mode, high-frequency (400 KHz to 4 MHz) or low-frequency (32.768 KHz) oscillation
      should be selected by code option
   − In RC mode, attention must be paid to the high/low frequency oscillation option, because the LCD
      driver frequency and the ROM code emulation time are related to this option.
• Sub-oscillator
   − Connect to 32768 Hz crystal only
   − Used in dual-clock operation
• Memory
   − 2048 x 16-bit program flash EEPROM (including 2K x 4-bit look-up table)
   − 128 x 4-bit data RAM (including 16 working registers)
   − 32 x 4 LCD data RAM
• 21 input/output pins
   − Ports for input only: 2 ports/8 pins
   − Input/output ports: 2 ports/8 pins
   − High sink current for LED driving: 1 port/4 pins
   − MFP output pin: 1 pin (MFP)
• Power-down mode
   − Hold function: no operation (excluding main oscillator and sub-oscillator)
   − Stop function: no operation (excluding sub-oscillator)


Pinout

Connection Diagram


Specifications

PARAMETER RATING UNIT
Supply Voltage to Ground Potential -0.3 to +7.0 V
Applied Input/Output Voltage -0.3 to +7.0 V
Power Dissipation 120 mW
Ambient Operating Temperature 0 to +70 °C
Storage Temperature -55 to +150 °C



Description

The W741E260 is a high-performance 4-bit microcontroller (C) that provides an LCD driver and the flash EEPROM for the program memory. The device contains a 4-bit ALU, two 8-bit timers, two dividers (for two oscillators) in dual-clock operation, a 32 * 4 LCD driver, and five 4-bit I/O ports (including 1 output port for LED driving). There are also five interrupt sources and 8-level subroutine nesting for interrupt applications. The W741E260 operates on very low current and has three power reduction modes, hold mode and stop mode in single-clock operation and the dual-clock slow operation, which help to minimize power dissipation.

This chip W741E260 is available for W741C250 and W741C260 bodies, which can be selected by option code. The W741E260 is suitable for end product manufacturer engineering testing and earlier samples before mass production.




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