SUMMIT

MICROELECTRONICS, Inc.

S93WD462/S93WD463

Precision Supply-Voltage Monitor and Reset Controller

With a Watchdog Timer and 1k-bit Microwire Memory

FEATURES

•Precision Monitor & RESET Controller

—RESET and RESET Outputs

—Guaranteed RESET Assertion to VCC = 1V

—150ms Reset Pulse Width

—Internal 1.26V Reference with ±1% Accuracy

—ZERO External Components Required

•Watchdog Timer

—Nominal 1.6 Second Time-out Period

—Reset by Any Transition of CS

•Memory

—1K-bit Microwire Memory

—S93WD462

–Internally Ties ORG Low

–100% Compatible With all 8-bit Implementations

–Sixteen Byte Page Write Capability

—S93WD463

–Internally Ties ORG High

–100% Compatible With all 16-bit Implementations

–Eight Word Page Write Capability

OVERVIEW

The S93WD462 and S93WD463 are precision power supervisory circuits providing both active high and active low reset output. Both devices also incorporate a watchdog timer with a nominal time-out value of 1.6 seconds.

Both devices have 1k-bits of E2PROM memory that is accessible via the industry standard microwire bus. The S93WD462 is configured with an internal ORG pin tied low providing a 8-bit byte organization and the S93WD463 is configured with an internal ORG pin tied high providing a 16-bit word organization. Both the S93WD462 and S93WD463 have page write capabil- ity. The devices are designed for a minimum 100,000 program/erase cycles and have data retention in ex- cess of 100 years.

BLOCK DIAGRAM

 

VCC

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

 

 

5kHz

RESET

 

 

 

6

RESET#

 

 

 

PULSE

 

 

 

 

 

 

 

 

OSCILLATOR

 

 

 

 

 

 

 

 

GENERATOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

VTRIP

RESET

 

 

 

 

 

 

 

 

–

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

7

RESET

 

 

1.26V

WATCHDOG

 

 

 

 

 

 

CS

TIMER

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SK

2

MODE

ADDRESS

WRITE

 

 

 

 

DI

3

DECODE

DECODER

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DATA I/O

 

E2PROM

 

 

 

 

 

DO

4

 

MEMORY

 

 

 

 

 

 

 

ARRAY

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

GND

 

 

 

 

2029 T BD 2.0

 

 

 

 

© SUMMIT MICROELECTRONICS, Inc. 2001

• 300 Orchard City Drive, Suite 131

• Campbell, CA 95008

• Telephone 408-378 -6461

•

Fax 408-378-6586 •

www.summitmicro.com

Characteristics subject to change without notice

2029 2.2 1/23/01

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Summit S93WD462, S93WD463 manual Features, Overview, Block Diagram
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S93WD462, S93WD463 specifications

The Summit S93WD462 and S93WD463 stand out as prime examples of modern technology in compact refrigeration solutions. Designed for both residential and commercial use, these models offer several features that cater to varied needs.

One of the primary characteristics of the S93WD462 and S93WD463 is their sleek, space-efficient design, ideal for smaller kitchens, apartments, or offices. The footprint of these models allows for installation in tight spaces while still providing ample capacity for storage. Both units are available in finishes that blend seamlessly with contemporary decor, enhancing the overall aesthetics of any environment.

When it comes to performance, these refrigerators are equipped with advanced cooling technologies. The frost-free cooling system ensures that users never have to deal with ice build-up, making maintenance effortless. This system also maintains a consistent interior temperature, which is crucial for preserving food quality and freshness over time.

Energy efficiency is another hallmark of the Summit S93WD series. These refrigerators are designed to consume less energy than standard models, thanks to features such as high-efficiency compressors and insulation technology. This not only reduces electricity bills but also contributes positively to environmental conservation.

Organizational features are thoughtfully integrated into the design of both models. Adjustable shelves provide flexibility for storing items of various sizes, while many include door storage options for quick access to beverages and condiments. Additionally, the S93WD463 model features a dedicated compartment for frozen goods, allowing for efficient organization and easy retrieval.

Temperature control is user-friendly in both models, with electronic controls that display real-time information. This feature allows users to adjust settings with precision, ensuring that food and drinks are kept at ideal temperatures.

In terms of safety, the Summit S93WD462 and S93WD463 include advanced alarm systems to alert users in case of temperature fluctuations, which can occur due to power outages or door left ajar. This technology helps protect valuable food items and ensures peace of mind.

In summary, the Summit S93WD462 and S93WD463 offer a blend of style, efficiency, and functionality. With their modern design, innovative cooling technologies, energy-efficient operations, and user-friendly features, they are ideal additions for those seeking quality refrigeration solutions. Whether for home use or in a commercial setting, these models provide reliable performance that meets contemporary demands.
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