S93662PBT datasheet(1/14 Pages) ETC

Part #	S93662PBT

Description	Voltage Monitor and Reset Controller

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SUMMIT MICROELECTRONICS, Inc.

•

300 Orchard City Drive, Suite 131

•

Campbell, CA 95008

•

Telephone 408-378-6461

•

Fax 408-378-6586

•

www.summitmicro.com

1

S93662/S93663

2012 2.0 4/18/00

Characteristics subject to change without notice

Precision Supply-Voltage Monitor and Reset Controller

SUMMIT

MICROELECTRONICS, Inc.

FEATURES

•

Precision Monitor & RESET Controller

— RESET and RESET Outputs

— Guaranteed RESET Assertion to VCC = 1V

— 200ms Reset Pulse Width

— Internal 1.26V Reference with ±1% Accuracy

— ZERO External Components Required

•

Memory

— 4K-bit Microwire Memory

— S93662

– Internally Ties ORG Low

– 100% Compatible With all 8-bit

Implementations

– Sixteen Byte Page Write Capability

— S93663

– Internally Ties ORG High

– 100% Compatible With all 16-bit

Implementations

– Eight Word Page Write Capability

OVERVIEW

The S93662 and S93663 are precision power supervi-

sory circuits providing both active high and active low

reset outputs.

Both devices have 4k-bits of E2PROM memory that is

accessible via the industry standard microwire bus. The

S93662 is configured with an internal ORG pin tied low

providing a 8-bit byte organization and the S93663 is

configured with an internal ORG pin tied high providing

a 16-bit word organization. Both the S93662 and

S93663 have page write capability. The devices are

designed for a minimum 100,000 program/erase cycles

and have data retention in excess of 100 years.

BLOCK DIAGRAM

+

–

GND

VCC

8

5

RESET#

6

VTRIP

RESET

PULSE

GENERATOR

5kHz

OSCILLATOR

RESET

CONTROL

MODE

DECODE

ADDRESS

DECODER

WRITE

CONTROL

DATA I/O

E2PROM

MEMORY

ARRAY

RESET

7

1.26V

SK

2

DI

3

CS

1

2012 T BD 2.0

DO

4

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