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CAT1161: CPU Supervisor with 16 k EEPROM Memory

Overview
Specifications
Datasheet: CPU Supervisor with 16 k EEPROM
Rev. 12 (157.0kB)
»View Material Composition
»Product Change Notification (4)
Product Overview
Product Description
The CAT1161 is a complete memory and supervisory solution for microcontroller-based systems. A serial EEPROM memory (16K) with hardware memory write protection, a system power supervisor with brown out protection and a watchdog timer are integrated together in low power CMOS technology. Memory interface is via an I²C bus.
The 1.6-second watchdog circuit returns a system to a known good state if a software or hardware glitch halts or 'hangs' the system. The CAT1161 watchdog monitors the SDA line, making an additional PC board trace unnecessary.
The power supply monitor and reset circuit protects memory and system controllers during power up/down and against brownout conditions. Five reset threshold voltages support 5.0 V, 3.3 V and 3.0 V systems. If power supply voltages are out of tolerance reset signals become active, preventing the system microcontroller, ASIC or peripherals from operating. Reset signals become inactive typically 200 ms after the supply voltage exceeds the reset threshold level. With both active high and low reset signals, interface to microcontrollers and other ICs is simple. In addition, a reset pin can be used as a debounced input for push-button manual reset capability.
The CAT1161 memory features a 16-byte page. In addition, hardware data protection is provided by a write protect pin WP and 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 and a surface mount, 8-pin SO package.
Features
 
  • Watchdog monitors SDA signal
  • 400 kHz I²C bus compatible
  • 2.7 V to 6.0 V operation
  • Low power CMOS technology
  • 16-Byte page write buffer
  • Built-in inadvertent write protection
    — VCC lock out
    — Write protect pin, WP
  • Active high or low reset
    — Precision power supply voltage monitor
    — 5V, 3.3V and 3V systems
    — Five threshold voltage options
  • 1,000,000 Program/Erase cycles
  • Manual Reset
  • 100 Year data retention
  • 8-pin DIP or 8-pin SOIC
  • Commercial and industrial temperature ranges
Applications
  • Industrial control
  • Medical systems
  • Printers
  • Mass storage
Technical Documentation & Design Resources
Data Sheets (1) Package Drawings (2)
Availability and Samples
Product
Status
Compliance
Description
Package
MSL*
Container
Budgetary Price/Unit
Type
Case Outline
Type
Qty.
CAT1161LI-25-G Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory PDIP-8 646AA NA Tube 50 $0.764
CAT1161LI-28-G Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory PDIP-8 646AA NA Tube 50 $0.764
CAT1161LI-30-G Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory PDIP-8 646AA NA Tube 50 $0.764
CAT1161LI-42-G Active, Not Rec
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory PDIP-8 646AA NA Tube 50 $0.764
CAT1161LI-45-G Active, Not Rec
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory PDIP-8 646AA NA Tube 50 $0.764
CAT1161WI-25-GT3 Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tape and Reel 3000 $0.744
CAT1161WI-28-G Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tube 100 $0.9306
CAT1161WI-28-GT3 Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tape and Reel 3000 $0.744
CAT1161WI-30-G Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tube 100 $0.9306
CAT1161WI-30-GT3 Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tape and Reel 3000 $0.744
CAT1161WI-42-G Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tube 100 $0.9306
CAT1161WI-42-GT3 Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tape and Reel 3000 $0.744
CAT1161WI-45-G Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tube 100 $0.9306
CAT1161WI-45-GT3 Active
Pb-free
Halide free
CPU Supervisor with 16 k EEPROM Memory SOIC-8 751BD 1 Tape and Reel 3000 $0.744
Moisture Sensitivity level (MSL) for surface mount devices (lead free measured at 260°C reflow, non lead free at 235°C reflow)
Market Leadtime (weeks) : 13 to 16
PandS   (2015-07-09) : <100
Market Leadtime (weeks) : 13 to 16
Market Leadtime (weeks) : 13 to 16
Market Leadtime (weeks) : 13 to 16
PandS   (2015-07-09) : <100
Market Leadtime (weeks) : 13 to 16
PandS   (2015-07-09) : <100
Market Leadtime (weeks) : 13 to 16
Market Leadtime (weeks) : 13 to 16
Market Leadtime (weeks) : 13 to 16
Mouser   (2015-07-09) : >1K
PandS   (2015-07-09) : >1K
Market Leadtime (weeks) : 13 to 16
Market Leadtime (weeks) : 13 to 16
Mouser   (2015-07-09) : >1K
ON Semiconductor   (2015-07-08) : 12,000
PandS   (2015-07-09) : >1K
Market Leadtime (weeks) : 13 to 16
ON Semiconductor   (2015-07-08) : 21,300
Market Leadtime (weeks) : 13 to 16
Mouser   (2015-07-09) : >1K
PandS   (2015-07-09) : >1K
Market Leadtime (weeks) : 13 to 16
ON Semiconductor   (2015-07-08) : 20,900
Market Leadtime (weeks) : 13 to 16
Datasheet: CPU Supervisor with 16 k EEPROM
Rev. 12 (157.0kB)
»View Material Composition
»Product Change Notification (4)
Product Overview

Product Compliance Status Description Type Density Organization Data Transmission Standard fcycle Max (kHz) tACC Max ns VCC Min (V) VCC Max (V) Istandby Max (µA) Iact Max (mA) T Min (°C) T Max (°C) Package Type
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   PDIP-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   PDIP-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   PDIP-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
 Pb-free 
 Halide free 
 Active     CPU Supervisor with 16 k EEPROM Memory   Serial   16 kb   2k x 8   I2C   400   1000   2.7   6   50   3   -40   85   SOIC-8 
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