STM6524 STMicroelectronics, STM6524 Datasheet

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STM6524

Manufacturer Part Number
STM6524
Description
6-pin Smart Reset
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM6524

Option 1
fully push-button controlled, no fixed or minimum pulse width guaranteed
Option 2
defined output reset pulse duration (tREC), factory-programmed
Operating Temperature
–40 °C to +85 °C
Udfn6 Package
1.6 mm x 1.3 mm

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STM6524ALARDL6F
Manufacturer:
ST
0
Part Number:
STM6524APARDL6F
Manufacturer:
STMicroelectronics
Quantity:
2 400
Features
October 2011
Operating voltage 1.65 V to 5.5 V
Low supply current 1.5 µA
Dual Smart Reset™ push-button inputs with
fixed extended reset setup delay (t
0.5 s to 10 s in 0.5 s steps (typ.), option with
internal pull-up resistor
Push-button controlled reset pulse duration
– Option 1: fully push-button controlled, no
– Option 2: defined output reset pulse
No power-on reset
Single reset output
– Active-low or active-high
– Push-pull or open-drain with optional pull-
Fixed Smart Reset™ input logic voltage levels
Customer test mode
Operating temperature: –40 °C to +85 °C
UDFN6 package: 1.6 mm x 1.3 mm
ECOPACK
Free)
fixed or minimum pulse width guaranteed
duration (t
up resistor
®
2 (RoHS compliant, Halogen-
REC
), factory-programmed
SRC
) from
Doc ID 022335 Rev 1
Applications
Mobile phones, smartphones, PDAs
e-books
MP3 players
Games
Portable navigation devices
Any application that requires delayed reset
push-button(s) response for improved system
stability.
UDFN6 1.6 mm x 1.3 mm
6-pin Smart Reset™
STM6524
www.st.com
1/24
1

Related parts for STM6524

STM6524 Summary of contents

Page 1

... UDFN6 1 1.3 mm Applications ■ Mobile phones, smartphones, PDAs ■ e-books ■ MP3 players ■ Games ■ Portable navigation devices ■ Any application that requires delayed reset push-button(s) response for improved system stability. Doc ID 022335 Rev 1 STM6524 6-pin Smart Reset™ 1/24 www.st.com 1 ...

Page 2

... STM6524 Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Customer test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 Power supply (V 2.2 Ground (V 2.3 Smart Reset™ input (SR0 2.4 Smart Reset™ input (SR1 2.5 Reset output (RST Typical application diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4 Timing waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 8 Package ...

Page 3

... List of tables Table 1. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 3. Operating and measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 4. DC and AC characteristic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 5. Mechanical data for UDFN6 1.6 x 1.3 x 0.55 mm, 0.40 mm pitch . . . . . . . . . . . . . . . . . . . 19 Table 6. Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Table 7. Package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Table 8. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3/24 Doc ID 022335 Rev 1 STM6524 ...

Page 4

... STM6524 List of figures Figure 1. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. Pin connections (top view Figure 3. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 4. Single-button Smart Reset™ typical hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 5. Dual-button Smart Reset™ typical hookup Figure 6. Option without t REC Figure 7. Option with t REC Figure 8. Undervoltage condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Figure 9. Supply current (I CC Figure 10 ...

Page 5

... The STM6524 has two combined delayed Smart Reset™ inputs (SR0, SR1) with preset delayed Smart Reset™ setup time (t Smart Reset™ inputs were held active for the selected t selected option the RST output remains asserted either until at least one SR input goes to inactive logic level (i ...

Page 6

... STM6524 Figure 1. Logic diagram Figure 2. Pin connections (top view) Doc ID 022335 Rev 1 Description 6/24 ...

Page 7

... Primary push-button Smart Reset™ input. Active-low. Optional pull-up resistor. Positive supply voltage for the device. A 0.1 µF decoupling ceramic capacitor Supply voltage recommended to be connected between V CC device as possible. Figure 3. Block diagram 7/24 Description and V CC Doc ID 022335 Rev 1 STM6524 ) SS pins, as close to the STM6524 SS ...

Page 8

... STM6524 2 Pin descriptions 2.1 Power supply (V This pin is used to provide power to the Smart Reset™ device. A 0.1 µF ceramic decoupling capacitor is recommended to be connected between the V STM6524 device as possible. 2.2 Ground (V SS Ground pin for the device. 2.3 Smart Reset™ input (SR0) Push-button Smart Reset™ input is active-low with optional pull-up resistor. Both SR ...

Page 9

... External pull-up resistor requested if the reset output (RST) is open-drain type without internal pull-up. 2. External pull-up resistor requested if the Smart Reset™ inputs (SR0 and SR1) have no internal pull-up. 3. When only one Smart Reset™ input push-button is used, tie both the SR inputs together. 9/24 Doc ID 022335 Rev 1 STM6524 ...

Page 10

... STM6524 Figure 5. Dual-button Smart Reset™ typical hookup 1. External pull-up resistor requested if the reset output (RST) is open-drain type without internal pull-up. 2. External pull-up resistor requested if the Smart Reset™ inputs (SR0 and SR1) have no internal pull-up. Doc ID 022335 Rev 1 Typical application diagram ...

Page 11

... Timing waveforms 4 Timing waveforms Figure 6. Option without t Figure 7. Option with t REC 11/24 REC Doc ID 022335 Rev 1 STM6524 ...

Page 12

... STM6524 Figure 8. Undervoltage condition 1. If undervoltage occurs (V drops below 1.575 V typ.) while reset output is active, the reset output is released and goes CC inactive. Doc ID 022335 Rev 1 Timing waveforms 12/24 ...

Page 13

... Typical operating characteristics 5 Typical operating characteristics Figure 9. Supply current (I Figure 10. Smart Reset™ delay (t 13/24 ) vs. temperature ( vs. temperature (T SRC Doc ID 022335 Rev 1 STM6524 ), t = 7.5 s (typ.) A SRC ...

Page 14

... STM6524 Figure 11. Test mode entry voltage (V Figure 12. Initial test mode time (t Typical operating characteristics ) vs. temperature (T TEST ) vs. temperature (T SRC-INI Doc ID 022335 Rev 14/24 ...

Page 15

... For push-pull RST output type only from -0 15/24 Table 2: Absolute maximum ratings of this specification is not implied. Exposure to absolute maximum Parameter off) CC pin, SR0 reset input pin Doc ID 022335 Rev 1 STM6524 may Table 3: Operating and Value Unit -55 to +150 °C 260 °C (2) -0 ...

Page 16

... STM6524 7 DC and AC parameters This section summarizes the operating measurement conditions, and the DC and AC characteristics of the device. The parameters follow, are derived from tests performed under the measurement conditions summarized in Table 3: Operating and measurement conditions in their circuit match the operating conditions when relying on the quoted parameters ...

Page 17

... CC = 0. 0.85 1.28 66 100 140 210 240 360 65 -0.1 0.8 x (4) t SRC t SRC V SS -0.3 0.85 -0.1 t SRC +0 Table 7 for available delays). STM6524 Max. Unit 5.5 V 2.5 µA 3.0 µA 0.3 V 0 1.71 ms 134 ms 280 ms 480 ms kΩ 0.1 µA 1 SRC 0.3 V 5.5 V 0.1 µ ...

Page 18

... STM6524 8 Package In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. Figure 13. Package outline for UDFN6 1.6 x 1.3 x 0.55 mm, 0.40 mm pitch ...

Page 19

... Figure 14. Footprint recommendation for UDFN6 1.6 x 1.3 x 0.55 mm, 0.40 mm pitch 19/24 Dimensions Drawing (millimeters) Min. Typ. Max. 0.50 0.55 0.60 0.00 0.02 0.05 0.15 0.20 0.25 1.30 BSC 1.60 BSC 0.40 BSC 0.250 0.325 0.400 6 Doc ID 022335 Rev 1 STM6524 Drawing (inches) Min. Typ. Max. 0.020 0.022 0.024 0.0000 0.0008 0.0020 0.006 0.008 0.010 0.051 BSC 0.063 BSC 0.016 BSC 0.0098 0.0128 0.0157 6 Note ...

Page 20

... STM6524 Figure 15. Carrier tape for UDFN6 1.6 x 1 Measured from centreline of sprocket hole to centreline of pocket. 2. Cumulative tolerance of 10 sprocket holes is ± 0.20. 3. Measured from centreline of sprocket hole to centreline of pocket. 4. Other material available. 5. Typical SR of formed tape max All dimensions in millimeters unless otherwise stated. ...

Page 21

... SRC = 6 pull-up SRC = 7 pull-up SRC = 10 pull-up SRC ) REC = 210 ms (typ.) REC = 360 ms (typ.) REC = 1.28 ms (typ.) REC = 100 ms (typ.) REC ) is available from 0 0.5 s steps (typ.). Minimum order quantities SRC Doc ID 022335 Rev 1 STM6524 ...

Page 22

... STM6524 10 Package marking information Table 7. Package marking Part number STM6524AHARDL6F STM6524ALARDL6F STM6524APARDL6F STM6524AUARDL6F active-low open-drain active-low push-button controlled reset pulse width. REC Figure 17. Package marking (top view) Smart Reset™ Output t (s) SRC (1) inputs type 4.0 AL OD, AL 6 ...

Page 23

... Revision history 11 Revision history Table 8. Document revision history Date 07-Oct-2011 23/24 Revision 1 Initial release. Doc ID 022335 Rev 1 STM6524 Changes ...

Page 24

... STM6524 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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