CAT1023WI-28-GT3 Memory by ON Semiconductor

EEPROM Serial 2-Kb CPU Supervisor

Status: Active
Series: CAT1023
RoHS: Compliant
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The CAT1023 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 CAT1023 provides a precision VCC sense circuit and two open drain outputs: one (RESET) drives high and the other (RESET ) drives low whenever VCC falls below the reset threshold voltage. Write operations are disabled if WP is connected to a logic high. The supervisor has 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 CAT1023 has a separate watchdog timer interrupt input pin, WDI. The power supply monitor and reset circuit protect 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, the RESET pin or a separate input, MR , can be used as an input for push-button manual reset capability. The on-chip, 2k-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 0.8mm maxi

Where to Buy

Prices starting from US$0.77

Distributor Stock
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Farnell
from US$0.77
2,706
in stock
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element14
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2,826
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Newark Electronics
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Features

Precision power supply voltage supervisor - 5.0 V, 3.3 V and 3.0 V systems - Five threshold voltage options
Watchdog timer
Active high or low reset - Valid reset guaranteed at 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 input
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
Applications
Industrial control
Printers
End Products
Medical systems
Mass storage

Specifications

Description CAT1023
Compliance Pb-free Halide free
Type Serial
Density 2 kb
Organization 256 x 8
Data Transmission Standard I2C
fcycle Max (kHz) 400
tACC Max ns 900
VCC Min (V) 2.7
VCC Max (V) 5.5
Istandby Max (µA) 60
Iact Max (mA) 3
T Min (°C) -40
T Max (°C) 85
Package Type SOIC-8

Alternative Descriptions

EEPROM, 2KBIT, 400KHZ, I2C, SOIC-8 | element14
Eeprom, 2Kbit, 400Khz, I2C, Soic-8 | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a CAT1023WI-28-GT3?

Additional datasheets, footprints and schematics for CAT1023WI-28-GT3 are listed on our Part Details page. You can also find images and similar parts to CAT1023WI-28-GT3 on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for CAT1023WI-28-GT3 on our Product Comparison page. Access via the 'View Pricing & Stock' button to view CAT1023WI-28-GT3 price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does CAT1023WI-28-GT3 fall under?

The CAT1023WI-28-GT3 is listed under Timing, Logic & Memory > Memory > EEPROM Memory.

Can I view similar or alternative parts?

You can view similar parts to CAT1023WI-28-GT3 when available in the EEPROM Memory range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the CAT1023WI-28-GT3 you can contact the distributor directly for product support, shipping queries etc.

Is the CAT1023WI-28-GT3 RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.

Which authorised distributors for CAT1023WI-28-GT3 have stock available?

Authorised distributors including element14, Farnell and Newark Electronics have stock available or on a lead time for CAT1023WI-28-GT3.

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