Datasheet ASM1233D-L, ASM1233D-D, ASM1233D-M Datasheet (Alliance Semiconductor)

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查询ASM1233D-L供应商

March 2005

rev 1.3

General Description

The ASM1233D-L/1233D/1233M are voltage supervisors with low-power, 5/3.3V µP Reset, with an active LOW, open-drain output. Maximum supply current over temperature is 15µA for

3.3V devices and 20µA for 5V devices.

The ASM1233D-L/1233D/1233M generates an active LOW reset signal whenever the monitored supply is out of tolerance. A precision reference and comparator circuit monitors power supply (V

an out-of-tolerance condition is detected, an internal power-fail signal is generated which forces an active LOW reset signal. After V

remains active for 350ms to allow the power supply and system microprocessor to stabilize.

) level. The tolerance are 5%,10% and 15%. When

returns to an in-tolerance condition, the reset signal

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

ASM1233D-L/D/M

Applications

• Set-top boxes

• Cellular phones

•PDAs

• Energy management systems

• Embedded control systems

• Printers

• Single board computers

Typical Operating Circuit

The ASM1233D-L/1233D/1233M is designed with an opendrain output stage and operates over the extended industrial temperature range. These devices are available in compact SOT-223, SO-8 and TO-92 packages.

Other low power products in this family include ASM1810/11/ 12/15/16/17.

Key Features

• Low Supply Current

• 15µA maximum (<=3.6V), 20µA maximum (5.5V)

• Automatically restarts a microprocessor after power failure

• 350ms reset delay after V dition

• Active LOW power-up reset, 5kΩ internal pull-up

• Precision temperature-compensated voltage reference and comparator

• Eliminates external components

• Low-cost SOT-223/SO-8/TO-92 packages

• Operating temperature: -40°C to +85°C

returns to an in-tolerance con-

Block Diagram

ASM1233D-L,ASM1233D,ASM1233M

Supply

Tolerance

Bias

Reference

ASM1233D-L/D/M

GND

RESET

Microprocessor

RESET

5.0k

Delay

350ms

Typical

Ω

RESET

GND

Alliance Semiconductor

2575 Augustine Drive . Santa Clara, CA 95054 . Tel: 408.855.4900 . Fax: 408.855.4999 . www.alsc.com

Notice: The information in this document is subject to change without notice

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March 2005

rev 1.3

Pin Configuration

ASM1233D-L/D/M

SOT-223

RESET

GND

Pin Description

TO-92

ASM1233D-L

ASM1233D

1 3 4 1,4 GND Ground.

ASM1233D

ASM1233D-L

TO-92

ASM1233M

SO-8

RESET

GND

Pin#

SO-8 SOT-223

ASM1233M

Pin Name Description

TO-92

ASM1233D-L

ASM1233D

ASM1233M

2 1 1 2 RESET 3223

- - 3,5,6,7&8 - NC No connection

Active LOW reset output. Power supply input.

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

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Notice: The information in this document is subject to change without notice

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March 2005

rev 1.3

ASM1233D-L/D/M

Application Information

Operation - Power Monitor

The ASM1233D-L/1233D/1233M detects out-of-tolerance power supply conditions. It resets a processor during powerup, power-down and generates a reset to the system processor when the monitored power supply voltage is below the reset threshold. When an out-of-tolerance V

detected, the RESET signal is asserted. On power-up, RESET the power supply voltage has reached the selected tolerance. This allows the power supply and microprocessor to stabilize before RESET

is kept active (LOW) for approximately 350ms after

is released.

HTL

LTL

CCTP

voltage is

RESET

HTL

CCTP

Figure 2: Timing Diagram: Power-Down

RPD

LTL

RESET

Figure 1: Timing Diagram: Power-Up

RPU

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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March 2005

rev 1.3

Absolute Maximum Ratings

Parameter Min Max Unit

ASM1233D-L/D/M

Voltage on V Voltage on RESET -0.5 VCC + 0.5 V Operating Temperature Range -40 85 °C Soldering Temperature (for 10 sec) 260 °C Storage Temperature -55 125 °C ESD rating

NOTE: These are stress ratings only and functional use is not implied. Exposure to absolute maximum ratings for prolonged

HBM

periods of time may affect device reliability.

-0.5 7 V

200

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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March 2005

ASM1233D-L/D/M

rev 1.3

Electrical Characteristics

Unless otherwise noted, VCC = 5V+10% and specifications are over the operating temperature range of -40°C to +85°C. All voltages are referenced to ground.

Parameter Symbol Conditions Min Typ Max Unit

Supply Voltage

Output Voltage

Output Current

Operating Current

RESET asserted - - 0.4 I

< 500 µA VCC-0.5V VCC-0.1V

OUT

Output = 0.4V 8 mA VCC < 5.5V, RESET output open

VCC < =3.6V, RESET output open

1.2 5.5 V

820 615

ASM1233D-LZ-5 2.98 3.06 3.15 ASM1233D-LZ-10 2.8 2.88 2.97 ASM1233D-LZ-15 2.64 2.72 2.8 ASM1233DZ-5 4.5 4.625 4.74

VCC Trip Point V

CCTP

ASM1233DZ-10 4.25 4.375 4.49 ASM1233DZ-15 4.0 4.125 4.24 ASM1233M-5 4.25 4.375 4.49 ASM1233M-55 4.5 4.625 4.75 ASM1233M-3 2.64 2.72 2.8 ASM1233D, ASM1233MS-5,

4.75

ASM1233MS-55

Voltage High T rip Level

HTL

ASM1233MS-3 3.14 ASM1233D-L 3.06

Voltage Low Trip Level

ASM1233D, ASM1233MS-5, ASM1233MS-55

LTL

ASM1233MS-3 2.48

4.00

ASM1233D-L 2.3 Internal Pull-up Resistor Output Capacitance

Detect to RESET Low t

Detect to RESET High t

Slew Rate

- V

LTL

)

HTL

VCC Slew Rate (V

- V

HTL

)

LTL

OUT

RPD

RPU

ASM1233D-L, ASM1233M 200 350 500

ASM1233D 250 350 450

3.5 5.0 7.5 kΩ 10 pF

210µs

300 µs

0ns

Note: A 1kΩ resistor maybe required in some applications for proper operation of the microprocessor reset control circuit.

µA

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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rev 1.3

Family Selection Guide

ASM1233D-L/D/M

Part # RESET Voltage (V)

ASM1810 4.620, 4.370, 4.120 150 Push-Pull LOW

ASM1811 4.620, 4.350, 4.130 150 Open-Drain LOW ASM1812 4.620, 4.350, 4.130 150 Push-Pull HIGH ASM1815 3.060, 2.880, 2.550 150 Push-Pull LOW ASM1816 3.060, 2.880, 2.550 150 Open-Drain LOW ASM1817 3.060, 2.880, 2.550 150 Push-Pull HIGH

ASM1233D 4.625, 4.375, 4.125 350 Open-Drain LOW ASM1233M 4.625, 4.375, 2.720 350 Open-Drain LOW

ASM1233D-L 3.06, 2.880, 2.720 350 Open-Drain LOW

RESET Time

(ms)

Output Stage RESET Polarity

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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rev 1.3

Package Information

ASM1233D-L/D/M

SOT-223

Symbol

Dimensions in Inches Dimensions in millimeters

Min Max Min Max

A 0.061 0.071 1.55 1.80

A1 0.0008 0.004 0.02 0.10

B 0.024 0.031 0.60 0.80

B1 0.114 0.122 2.90 3.10

C 0.009 0.013 0.24 0.32 D 0.248 0.264 6.30 6.70 E 0.130 0.146 3.30 3.70 e 0.090BSC 2.30 BSC

e1 0.181 BSC 4.60 BSC

H 0.264 0.287 6.70 7.30 L 0.036 MIN 0.91 MIN

L2 0.0024 MIN 0.06 BSC

α 0° 6° 0° 6°

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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rev 1.3

ASM1233D-L/D/M

Plastic SO-8 (8-Pin)

Dimensions in Inches Dimensions in Millimeters

Min Max Min Max

Plastic SO-8 (8-Pin)

A 0.053 0.069 1.35 1.75 A1 0.004 0.010 0.10 0.25 A2 0.049 0.059 1.25 1.50

B 0.012 0.020 0.31 0.51

C 0.007 0.010 0.18 0.25

D 0.193 BSC 4.90 BSC

E 0.154 BSC 3.91 BSC

e 0.050 BSC 1.27 BSC

H 0.236 BSC 6.00 BSC

L 0.016 0.050 0.41 1.27

0° 8° 0° 8°

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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rev 1.3

ASM1233D-L/D/M

To -92 (3-Pin)

Dimensions in Inches Dimensions in Millimeters

Min Max Min Max

TO-92

A 0.175 0.185 4.445 4.699 b 0.016 0.020 0.406 0.508 C 0.014 0.016 0.356 0.406

φD 0.175 0.185 4.445 4.699

E 0.138 0.144 3.505 3.658 e 0.098 0.102 2.489 2.591

e1 0.045 0.055 1.143 1.397

j 0.168 0.174 4.269 4.420

L 0.500 0.585 12.7 14.86

s 0.095 0.099 2.413 2.515

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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rev 1.3

Ordering Information

ASM1233D-L/D/M

RESET

Part Number**

TIN - LEAD DEVICES

ASM1233D-L-5 3.06 5% 350 ms  LOW 3L TO-92 ASM1233D-L-5 ASM1233D-L-10 2.88 10% 350 ms  LOW 3L TO-92 ASM1233D-L-10 ASM1233D-L-15 2.72 15% 350 ms  LOW 3L TO-92 ASM1233D-L-15 ASM1233D-LZ-5 3.06 5% 350 ms  LOW 4L SOT-223 RVLL

ASM1233D-LZ-10 2.88 10% 350 ms  LOW 4L SOT-223 RWLL ASM1233D-LZ-15 2.72 15% 350 ms  LOW 4L SOT-223 RXLL

ASM1233D-5 4.625 5% 350 ms  LOW 3L TO-92 ASM1233D-5 ASM1233D-10 4.375 10% 350 ms  LOW 3L TO-92 ASM1233D-10 ASM1233D-15 4.125 15% 350 ms  LOW 3L TO-92 ASM1233D-15 ASM1233DZ-5 4.625 5% 350 ms  LOW 4L SOT-223 RSLL

ASM1233DZ-10 4.375 10% 350 ms  LOW 4L SOT-223 RTLL ASM1233DZ-15 4.125 15% 350 ms  LOW 4L SOT-223 R ULL

ASM1233M-55 4.625

ASM1233M-5 4.375

ASM1233M-3 2.72

ASM1233MS-55 4.625

ASM1233MS-5 4.38 ASM1233MS-3 2.72

LEAD FREE DEVICES

ASM1233D-L-5F 3.06 5% 350 ms  LOW 3L TO-92 ASM1233D-L-5F ASM1233D-L-10F 2.88 10% 350 ms  LOW 3L TO-92 ASM1233D-L-10F ASM1233D-L-15F 2.72 15% 350 ms  LOW 3L TO-92 ASM1233D-L-15F ASM1233D-LZ-5F 3.06 5% 350 ms  LOW 4L SOT-223 KVLL

ASM1233D-LZ-10F 2.88 10% 350 ms  LOW 4L SOT-223 KWLL ASM1233D-LZ-15F 2.72 15% 350 ms  LOW 4L SOT-223 KXLL

ASM1233D-5F 4.625 5% 350 ms  LOW 3L TO-92 ASM1233D-5F ASM1233D-10F 4.375 10% 350 ms  LOW 3L TO-92 ASM1233D-10F ASM1233D-15F 4.125 15% 350 ms  LOW 3L TO-92 ASM1233D-15F ASM1233DZ-5F 4.625 5% 350 ms  LOW 4L SOT-223 KSLL

ASM1233DZ-10F 4.375 10% 350 ms  ASM1233DZ-15F 4.125 15% 350 ms  LOW 4L SOT-223 KULL

ASM1233M-5F 4.375 ASM1233M-55F 4.625

ASM1233M-3F 2.72

ASM1233MS-5F 4.38

ASM1233MS-55F 4.625

ASM1233MS-3F 2.72

Output

Voltage

RESET

Tolerance

5% 10% 15%

RESET

Time

350 ms  LOW 3L TO-92 ASM1233M-55 350 ms  LOW 3L TO-92 ASM1233M-5 350 ms  LOW 3L TO-92 ASM1233M-3 350 ms  LOW 8L SOIC ASM1233MS-55 350 ms  LOW 8L SOIC ASM1233MS-5 350 ms  LOW 8L SOIC ASM1233MS-3

350 ms  LOW 3L TO-92 ASM1233M-5F 350 ms  LOW 3L TO-92 ASM1233M-55F 350 ms  LOW 3L TO-92 ASM1233M-3F 350 ms  LOW 8L SOIC ASM1233MS-5F 350 ms  LOW 8L SOIC ASM1233MS-55F 350 ms  LOW 8L SOIC ASM1233MS-3F

Open Drain

Output

Stage*

RESET

Polarity

LOW 4L SOT-223 KTLL

Package Package Marking

Low Power, 5V/3.3V, µP Reset, Active LOW, Open-Drain Output

Notice: The information in this document is subject to change without notice

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ASM1233D-L/D/M

Alliance Semiconductor Corporation 2575, Augustine Drive, Santa Clara, CA 95054 Tel: 408 - 855 - 4900

Fax: 408 - 855 - 4999 www.alsc.com

© Copyright 2003 Alliance Semiconductor Corporation. All rights reserved. Our three-point logo, our name and Intelliwatt are trademarks or registered trademarks of Alliance. All other brand and product names may be the trademarks of their respective companies. Alliance reserves the right to make changes to this document and its products at any time without notice. Alliance assumes no responsibility for any errors that may appear in this document. The data contained herein represents Alliance's best data and/or estimates at the time of issuance. Alliance reserves the right to change or correct this data at any time, without notice. If the product described herein is under development, significant changes to these specifications are possible. The information in this product data sheet is intended to be general descriptive information for potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or customer. Alliance does not assume any responsibility or liability arising out of the application or use of any product described herein, and disclaims any express or implied warranties related to the sale and/or use of Alliance products including liability or warranties related to fitness for a particular purpose, merchantability, or infringement of any intellectual property rights, except as express agreed to in Alliance's Terms and Conditions of Sale (which are available from Alliance). All sales of Alliance products are made exclusively according to Alliance's Terms and Conditions of Sale. The purchase of products from Alliance does not convey a license under any patent rights, copyrights; mask works rights, trademarks, or any other intellectual property rights of Alliance or third parties. Alliance does not authorize its products for use as critical components in life-supporting systems where a malfunction or failure may reasonably be expected to result in significant injury to the user, and the inclusion of Alliance products in such life-supporting systems implies that the manufacturer assumes all risk of such use and agrees to indemnify Alliance against all claims arising from such use.

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