g696l463t Global Mixed-mode Technology Inc, g696l463t Datasheet

g696l463t

Manufacturer Part Number

g696l463t

Description

Microprocessor Reset

Manufacturer

Global Mixed-mode Technology Inc

Datasheet

1.G696L463T.pdf (8 pages)

Current page: 1 of 8
Download datasheet (210Kb)

Features

Applications

Pin Configuration

Ver: 1.1

Jul 26, 2002

Fully Specified Over Temperature

Available in Three Output Configurations

Push-Pull RESET Output (G696L)

Push-Pull RESET Output (G696H)

Open-Drain RESET Output (G697L)

Externally Programmable Time Delay Generator

6µA Supply Current

Guaranteed Reset Valid to V

Power Supply Transient Immunity

5 pin SOT23-5 Packages

Computers

Controllers

Intelligent Instruments

Critical µP and µC Power Monitoring

Portable / Battery-Powered Equipment

Automotive

Precision Monitoring of +3V, +3.3V, and +5V

Power-Supply Voltages

RESET(RESET)

GND

Global Mixed-mode Technology Inc.

()is for G696H

G696/G697

SOT23-5

Microprocessor Reset IC

= 0.8V

N.C.

Typical Operating Circuit

General Description

The G696/G697 are microprocessor (µP) supervisory

circuits used to monitor the power supplies in µP and

digital systems. They provide excellent circuit reliability

and low cost and adjustments when used with +5V,

+3.3V, +3.0V- powered circuits.

These circuits perform a single function: they assert a

reset signal whenever the V

below a preset threshold, with hysteresis keeping it

asserted for time delay determined by externally pro-

gramable time delay generator. after V

above the reset threshold. Reset thresholds suitable

for operation with a variety of supply voltages are

available.

The G697L has an open-drain output stage, while the

G696 have push-pull outputs. The G697L’s open-drain

connected to a voltage higher than V

have an active-low RESET output, while the G696H

has an active-high RESET output. The reset com-

parator is designed to ignore fast transients on V

and the outputs are guaranteed to be in the correct

logic state for V

Low supply current makes the G696/G697 ideal for

use in portable equipment. The G696/G697 are avail-

able in 5-pin SOT23-5 packages.

Ordering Information

RESET output requires a pull-up resistor that can be

G696H(L)xxxT1 -40°C ~ +105°C

G697LxxxT1

* xxx specifies the threshold voltage.

e.g. 263 denotes the 2.63V threshold voltage.

PART

G696/G697

*G697 ONLY

GND

(RESET)

RESET

TEMP. RANGE

-40°C ~ +105°C

down to 0.8V.

G696/G697

pull-up*

supply voltage declines

RESET

INPUT

http://www.gmt.com.tw

PIN-PACKAGE

TEL: 886-3-5788833

µP

GND

SOT23-5

. The G696L

has risen

Related parts for g696l463t

g696l463t Summary of contents

Page 1

... Global Mixed-mode Technology Inc. Microprocessor Reset IC Features Precision Monitoring of +3V, +3.3V, and +5V Power-Supply Voltages Fully Specified Over Temperature Available in Three Output Configurations Push-Pull RESET Output (G696L) Push-Pull RESET Output (G696H) Open-Drain RESET Output (G697L) Externally Programmable Time Delay Generator 6µA Supply Current ...

Page 2

... Global Mixed-mode Technology Inc. Absolute Maximum Ratings Terminal Voltage (with respect to GND) V .……………………………..…….…….-0.3V to +6.0V CC Delay Capacitor Pin Voltage, V …..-0 RESET, RESET (push-pull)....…....-0. RESET (open drain)...…......…................-0.3V to +6.0V Input Current, V ............................… ...

Page 3

... Selector Guide PART/SUFFIX RESET THRESHOLD (V) G697L463T_ 4.63 G697L438T_ 4.38 G697L400T_ 4.00 G697L330T_ 3.30 G697L308T_ 3.08 G697L293T_ 2.93 G697L263T_ 2.63 G696H463T_ 4.63 G696H438T_ 4.38 G696H400T_ 4.00 G696H330T_ 3.30 G696H308T_ 3.08 G696H293T_ 2.93 G696H263T_ 2.63 G696L463T_ 4.63 G696L438T_ 4.38 G696L400T_ 4.00 G696L330T_ 3.30 G696L308T_ 3.08 G696L293T_ 2.93 G696L263T_ 2.63 Ver: 1.1 Jul 26, 2002 (Continued) = 3.3V for 308/293 versions, and V SYMBOL CONDITION 2.5V 5V, V RESET CC G696L463/438/400/330 ...

Page 4

... Global Mixed-mode Technology Inc. Typical Operating Characteristics (V = full range -40°C to +105°C, unless otherwise noted. Typical values are for 463/438/400/330 versions Supply Current vs 0.6 1 1.2 1.5 1.8 2.1 2.4 2.7 3 3.2 3.3 3.4 3.5 3.7 3 Normalized Reset Threshold vs. Temperature 1.06 1.05 V 1.04 T 1.03 1.02 1. ...

Page 5

... Global Mixed-mode Technology Inc. Timing Diagram Pin 2 , Pin Pin 5 , Pin 5 0.675 V 0.675 Reset Output Reset Output (Active Low), Pin 1 (Active Low), Pin 1 Reset Output Reset Output (Active High), Pin 1 (Active High), Pin 1 Functional Diagram ...

Page 6

... Global Mixed-mode Technology Inc. Pin Description PIN NAME RESET (G696L/G697L) RESET after RESET Output remains high while V RESET (G696H) after Supply Voltage (+5V, +3.3V, +3.0V GND Ground 4 N.C. No Connection External Programmable time delay is set by the capacitor connect Detailed Description A microprocessor’ ...

Page 7

... Global Mixed-mode Technology Inc. Interfacing to µPs with Bidirectional Reset Pins Since the RESET output on the G697L is open drain, this device interfaces easily with µPs that have bidi- rectional reset pins, such as the Motorola 68HC11. Connecting the µP supervisor’s RESET output di- rectly to the microcontroller’ ...

Page 8

... Global Mixed-mode Technology Inc. Package Information Note: 1. Package body sizes exclude mold flash protrusions or gate burrs 2. Tolerance ±0.1000 mm (4mil) unless otherwise specified 3. Coplanarity: 0.1000mm 4. Dimension L is measured in gage plane SYMBOLS θ1 Taping Specification ...

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