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X5649

Features: • Low VCC detection and reset assertion -Five standard reset threshold voltages -Re-program low VCC reset threshold voltage using special programming sequence -Reset signal valid to VCC = 1V• Long battery life with low power consumption -<50A max standby current, watchdog ...

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SeekIC No. : 004547346 Detail

X5649: Features: • Low VCC detection and reset assertion -Five standard reset threshold voltages -Re-program low VCC reset threshold voltage using special programming sequence -Reset signal valid to ...

X5649 Data Sheet

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Part Number:
X5649
Supply Ability:
5000

Price Break

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

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Upload time: 2024/12/21

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Product Details

Description



Features:

• Low VCC detection and reset assertion
   -Five standard reset threshold voltages
   -Re-program low VCC reset threshold voltage using special programming sequence
   -Reset signal valid to VCC = 1V
• Long battery life with low power consumption
   -<50A max standby current, watchdog on
   -<1A max standby current, watchdog off
   -<400A max active current during read
• 64Kbits of EEPROM
• Built-in inadvertent write protection
   -Power-up/power-down protection circuitry
   -Protect 0, 1/4, 1/2 or all of EEPROM array with Block Lock™ protection
   -In circuit programmable ROM mode
• 2MHz SPI interface modes (0,0 & 1,1)
• Minimize EEPROM programming time
   -32-byte page write mode
   -Self-timed write cycle
   -5ms write cycle time (typical)
• 2.7V to 5.5V and 4.5V to 5.5V power supply operation
• Available packages
   -14-lead SOIC, 8-lead PDIP


Pinout

Connection Diagram


Specifications

Temperature under bias ................... -65°C to +135°C
Storage temperature ........................ -65°C to +150°C
Voltage on any Pin with respect to VSS ...... -1.0V to +7V
D.C. Output Current .................................................5mA
Lead temperature (soldering, 10 seconds).......... 300°C


Description

These X5649 devices combine three popular functions, Poweron Reset Control, Supply Voltage Supervision, and Block Lock Protect Serial EEPROM Memory in one package.This combination lowers system cost, reduces board space requirements, and increases reliability.

Applying power to the X5649 activates the power-on reset circuit which holds RESET/RESET active for a period of time. This allows the power supply and oscillator to stabilize before the processor can execute code.

The X5649's low VCC detection circuitry protects the user's system from low voltage conditions by holding RESET/RESET active when VCC falls below a minimum VCC trip point. RESET/RESET remains asserted until VCC returns to proper operating level and stabilizes. Five industry standard VTRIP thresholds are available,however, Intersil's unique circuits allow the threshold to be reprogrammed to meet custom requirements or to fine-tune the threshold in applications requiring higher precision.




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