X4285, X4285S8, X42P120840G-3 Selling Leads, Datasheet
MFG:XICOR Package Cooled:SOP8 D/C:0351/
X4285, X4285S8, X42P120840G-3 Datasheet download
Part Number: X4285
MFG: XICOR
Package Cooled: SOP8
D/C: 0351/
X4285, X4285S8, X42P120840G-3
- Table of contents:
Info of X4285
Info of X4285S8
Info of X42P120840G-3
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About X4285
PDF/DataSheet Download
Datasheet: X4285
File Size: 422082 KB
Manufacturer: XICOR [Xicor Inc.]
Download : Click here to Download
About X4285S8
PDF/DataSheet Download
Datasheet: X4285S8
File Size: 330015 KB
Manufacturer: XICOR [Xicor Inc.]
Download : Click here to Download
About X422550G000
PDF/DataSheet Download
Datasheet: X422550G000
File Size: 2662015 KB
Manufacturer:
Download : Click here to Download
X4285 General Description
The X4163/5 combines four popular functions, Poweron Reset Control, Watchdog Timer, Supply Voltage Supervision, and Serial EEPROM Memory in one package.This combination lowers system cost, reduces board space requirements, and increases reliability.
Applying power to the device 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 Watchdog Timer provides an independent protection mechanism for microcontrollers. When the microcontroller fails to restart a timer within a selectable time out interval, the device activates the RESET/RESET signal. The user selects the interval from three preset values. Once selected, the interval does not change, even after cycling the power.
The device's low VCC detection circuitry protects the user's system from low voltage conditions, resetting the system when VCC falls below the set minimum VCC trip point. RESET/RESET is asserted until VCC returns to proper operating level and stabilizes. Four 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 for applications requiring higher precision.
X4285 Maximum Ratings
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
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
X4285 Features
• Selectable watchdog timer
• Low VCC detection and reset assertion
-Four standard reset threshold voltages
-Adjust low VCC reset threshold voltage using special programming sequence
-Reset signal valid to VCC = 1V
• Low power CMOS
-<20A max standby current, watchdog on
-<1A standby current, watchdog OFF
-3mA active current
• 128Kbits of EEPROM
-64 byte page write mode
-Self-timed write cycle
-5ms write cycle time (typical)
• Built-in inadvertent write protection
-Power-up/power-down protection circuitry
-Protect 0, 1/4, 1/2, all or 64, 128, 256 or 512 bytes of EEPROM array with programmable Block Lock™ protection
• 400kHz 2-wire interface
• 2.7V to 5.5V power supply operation
• Available packages
-8-lead SOIC
-8-lead TSSOP
• Low VCC detection and reset assertion
-Four standard reset threshold voltages
-Adjust low VCC reset threshold voltage using special programming sequence
-Reset signal valid to VCC = 1V
• Low power CMOS
-<20A max standby current, watchdog on
-<1A standby current, watchdog OFF
-3mA active current
• 128Kbits of EEPROM
-64 byte page write mode
-Self-timed write cycle
-5ms write cycle time (typical)
• Built-in inadvertent write protection
-Power-up/power-down protection circuitry
-Protect 0, 1/4, 1/2, all or 64, 128, 256 or 512 bytes of EEPROM array with programmable Block Lock™ protection
• 400kHz 2-wire interface
• 2.7V to 5.5V power supply operation
• Available packages
-8-lead SOIC
-8-lead TSSOP
X4285 Connection Diagram
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