STM812SW16F datasheet, PDF - EEWORLD Datasheet

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STM812SW16F: DescriptionSupervisory Circuits 2.93V Reset 140ms; Categorysemiconductor Power management; File Size377KB，21 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/; Environmental Compliance

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STM812SW16F Overview

Supervisory Circuits 2.93V Reset 140ms

STM812SW16F Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	STMicroelectronics
Product Category	Supervisory Circuits
RoHS	Details
Type	Voltage Supervisory
Mounting Style	SMD/SMT
Package / Case	SOT-143-4
Threshold Voltage	3 V, 3.3 V, 5 V
Number of Inputs Monitored	1 Input
Output Type	Active High, Push-Pull
Manual Reset	Manual Reset
Watchdog Timers	No Watchdog
Battery Backup Switching	No Backup
Reset Delay Time	280 ms
Supply Voltage - Max	5.5 V
Maximum Operating Temperature	+ 85 C
Minimum Operating Temperature	- 40 C
Packaging	Cut Tape
Packaging	MouseReel
Packaging	Reel
Height	1.02 mm
Length	3.04 mm (Max)
Output Current	20 mA
Width	1.4 mm
Overvoltage Threshold	2.96 V
Undervoltage Threshold	2.89 V
Chip Enable Signals	No Chip Enable
Operating Supply Current	15 uA
Pd - Power Dissipation	320 mW
Power Fail Detection	No
Factory Pack Quantity	3000
Supply Voltage - Min	1 V
Unit Weight	0.003880 oz

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STM809, STM810

STM811, STM812

Reset circuit

Features

■

Precision monitoring of 3 V, 3.3 V, and 5 V

supply voltages

Two output configurations

– Push-pull RST output (STM809/811)

– Push-pull RST output (STM810/812)

140 ms reset pulse width (min)

Low supply current - 6 µA (typ)

Guaranteed RST/RST assertion down to

= 1.0 V

Operating temperature:

–40 °C to 85 °C (industrial grade)

Lead-free, small SOT23 and SOT143 package

SOT143-4 (W1)

SOT23-3 (WX)

■

Table 1.

Device summary

Active-low reset

Active-high reset

Manual reset input

Package

SOT23-3

✔

SOT23-3

SOT143-4

STM809

STM810

STM811

STM812

✔

January 2010

Doc ID 9873 Rev 5

1/21

www.st.com

List of figures

STM809/810/811/812

List of figures

Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Figure 6.

Figure 7.

Figure 8.

Figure 9.

Figure 10.

Figure 11.

Figure 12.

Figure 13.

Figure 14.

Figure 15.

Figure 16.

Logic diagram (STM809/810) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Logic diagram (STM811/812) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SOT23-3 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

SOT143-4 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Supply current vs. temperature, L/M/R/S/T (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Power-down reset delay vs. temperature - V

= V

– V

(L/M) . . . . . . . . . . . . . . . . . . . 9

Power-down reset delay vs. temperature - V

= V

– V

(R/S/T) . . . . . . . . . . . . . . . . 10

Power-up t

rec

vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Normalized reset threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Max transient duration NOT causing reset pulse vs. reset comparator overdrive . . . . . . . 11

AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

SOT23-3 – 3-lead small outline transistor package outline . . . . . . . . . . . . . . . . . . . . . . . . 16

SOT143-4 – 4-lead small outline transistor package outline . . . . . . . . . . . . . . . . . . . . . . . 17

4/21

Doc ID 9873 Rev 5

STM812SW16F Related Products

	STM812SW16F	STM812MW16F	STM810TWX6F	STM812RW16F	STM812TW16F
Description	Supervisory Circuits 2.93V Reset 140ms	Supervisory Circuits 4.38V Reset 140ms	Supervisory Circuits 3.08V Reset 140ms	Supervisory Circuits 2.63V Reset 140ms	Supervisory Circuits 3.08V Reset 140ms
Brand Name	-	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics
Maker	-	STMicroelectronics	STMicroelectronics	STMicroelectronics	-
Parts packaging code	-	SOT-143	SOT-23	SOT-143	SOT-143
package instruction	-	TSOP, TO-253	TSSOP, TO-236	TSOP, TO-253	TSOP, TO-253
Contacts	-	4	3	4	4
Reach Compliance Code	-	compliant	compliant	compliant	compliant
ECCN code	-	EAR99	EAR99	EAR99	EAR99
Factory Lead Time	-	18 weeks	16 weeks	18 weeks	18 weeks
Other features	-	RESET THRESHOLD VOLTAGE IS 4.38V	RESET THRESHOLD VOLTAGE IS 3.08V	RESET THRESHOLD VOLTAGE IS 2.63V	RESET THRESHOLD VOLTAGE IS 3.08V
Adjustable threshold	-	NO	NO	NO	NO
Analog Integrated Circuits - Other Types	-	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	-	R-PDSO-G4	R-PDSO-G3	R-PDSO-G4	R-PDSO-G4
JESD-609 code	-	e3	e3	e3	e3
length	-	2.92 mm	2.92 mm	2.92 mm	2.92 mm
Humidity sensitivity level	-	1	1	1	1
Number of channels	-	1	1	1	1
Number of functions	-	1	1	1	1
Number of terminals	-	4	3	4	4
Maximum operating temperature	-	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	TSOP	TSSOP	TSOP	TSOP
Encapsulate equivalent code	-	TO-253	TO-236	TO-253	TO-253
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	-	260	260	260	260
power supply	-	1.5/5 V	1.5/5 V	1.5/5 V	1.5/5 V
Certification status	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	1.12 mm	1.12 mm	1.12 mm	1.12 mm
Maximum supply current (Isup)	-	0.015 mA	0.015 mA	0.015 mA	0.015 mA
Maximum supply voltage (Vsup)	-	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	-	1.2 V	1.2 V	1.2 V	1.2 V
Nominal supply voltage (Vsup)	-	3.6 V	3.3 V	3.6 V	3.6 V
surface mount	-	YES	YES	YES	YES
Temperature level	-	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	-	Matte Tin (Sn)	Matte Tin (Sn) - annealed	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	-	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	-	1.92 mm	0.95 mm	1.92 mm	1.92 mm
Terminal location	-	DUAL	DUAL	DUAL	DUAL
Threshold voltage nominal	-	+4.38V	+3.08V	+2.63V	+3.08V
Maximum time at peak reflow temperature	-	30	30	30	30
width	-	1.3 mm	1.3 mm	1.3 mm	1.3 mm

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