ONSEMI CAT1027WI-28-GT3
Manufacturer No:
CAT1027WI-28-GT3
Manufacturer:
Package:
8-SOIC (0.154, 3.90mm Width)
Description:
EEPROM Serial 2-Kb CPU Supervisor
Quantity:
User Guide
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CAT1027WI-28-GT3 Information
ONSEMI CAT1027WI-28-GT3 technical specifications, attributes, parameters and parts with similar specifications to ONSEMI CAT1027WI-28-GT3.
- Type
- Parameter
- Case Outline
- 751BD
- Container Qty.
- 3000
- Density
- 2 kb
- VCC Max (V)
- 5.5
- Iact Max (mA)
- 3
- Endurance (Write cycles)
- -
- Package Type
- SOIC-8
- Container Type
- REEL
- VCC Min (V)
- 2.7
- MSL Type
- 1
- Type
- Parameter
- MSL Temp (°C)
- 260
- Type
- Serial
- Organization
- 256 x 8
- Data Transmission Standard
- I2C
- tACC Max ns
- 900
- fcycle Max (kHz)
- 400
- Vio Ref (V)
- -
- Istandby Max (µA)
- 60
- T Min (°C)
- -40
- T Max (°C)
- 85
Download datasheets and manufacturer documentation for ONSEMI CAT1027WI-28-GT3.
Datasheet:
Package Drawing:
The CAT1027 is a complete memory and supervisory solution for microcontroller-based systems. A EEPROM Serial 2-Kb CPU Supervisor and a system power supervisor with brown-out protection are integrated together in low power CMOS technology. Memory interface is via a 400 kHz I²C bus.The CAT1027 provides a precision VCC sense circuit with five reset threshold voltage options that support 5.0 V, 3.3 V and 3.0 V systems. The power supply monitor and reset circuit protects memory and systems controllers during power up/down and against brownout conditions. If power supply voltages are out of tolerance reset signals become active preventing the system microcontroller, ASIC, or peripherals from operating.CAT1027 has only a RESET output. In addition, the RESET pin can be used as an input for push-button manual reset capability.The CAT1027 provides an auxiliary voltage sensor input, VSENSE, which is used to monitor a second system supply. The auxiliary high impedance comparator drives the open drain output, VLOW, whenever the sense voltage is below 1.25 V threshold.The CAT1027 is designed with a 1.6 second watchdog timer circuit that resets a system to a known state if software or a hardware glitch halts or 'hangs' the system. The CAT1027 features a watchdog timer interrupt input, WDI.The on-chip 2 k-bit EEPROM memory features a 16-byte page. In addition, hardware data protection is provided by a VCC sense circuit that prevents writes to memory whenever VCC falls below the reset threshold or until VCC reaches the reset threshold during power up.Available packages include an 8-pin DIP, 8-pin SOIC, 8-pin TSSOP, 8-pin TDFN and 8-pin MSOP. The TDFN package thickness is 0.8 mm maximum. TDFN footprint is 3x3 mm.
Application
- Industrial control
- Medical systems
- Printers
- Mass storage
Feature
- Precision VCC power supply voltage supervisor
5.0 V, 3.3 V and 3.0 V systems
Five threshold voltage options - Additional voltage monitoring
— Externally adjustable down to 1.25 V - Watchdog timer
- Active high or low reset
— Valid reset guaranteed to VCC = 1 V - 400 kHz I²C bus
- 3.0 V to 5.5 V operation
- Low power CMOS technology
- 16-Byte page write buffer
- Built-in inadvertent write protection
- 1,000,000 Program/Erase cycles
- Manual reset capability
- 100 year data retention
- 8-pin DIP, SOIC, TSSOP, MSOP or TDFN
(3 x 3 mm foot-print) packages
— TDFN max height is 0.8mm - Industrial and extended temperature ranges
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