STM6777 STMicroelectronics, STM6777 Datasheet

no-image

STM6777

Manufacturer Part Number
STM6777
Description
Dual/triple ultra-low voltage supervisors with push-button reset (with delay option)
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM6777

Primary Supply (vcc1) Monitor. Fixed (factory-programmed) Reset Thresholds
4.63 V to 1.58 V
Fixed (factory-programmed) Reset Thresholds
3.08 V to 0.79 V
Tertiary Supply Monitor (using Externally Adjustable Rstin)
0.626 V internal reference
Reset Delay Time (trec) On Power-up
13.2 ms, 210 ms, 900 ms (typ)
Operating Temperature
–40 °C to 85 °C (industrial grade)

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STM6777SFWB6F
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
STM6777SFWB6F
Quantity:
9 000
Part Number:
STM6777SVWB6F
Manufacturer:
NEC
Quantity:
5 030
Part Number:
STM6777SVWB6F
Manufacturer:
ST
0
Part Number:
STM6777SVWB6F
Manufacturer:
ST
Quantity:
20 000
Part Number:
STM6777SYWB6F
Manufacturer:
ST
0
Part Number:
STM6777SYWB6F
Manufacturer:
ST
Quantity:
20 000
Part Number:
STM6777TGWB6F
Manufacturer:
ST
0
Part Number:
STM6777TGWB6F
Manufacturer:
ST
Quantity:
20 000
Part Number:
STM6777TWWB6F
Manufacturer:
STMicroelectronics
Quantity:
2 400
Part Number:
STM6777TWWB6F
Manufacturer:
ST
0
Part Number:
STM6777TZWB6F
Manufacturer:
ST
Quantity:
20 000
Features
Table 1.
August 2011
STM6717
STM6718
STM6719
STM6720
STM6777
STM6778
STM6779
STM6780
number
Primary supply (V
Fixed (factory-programmed) reset thresholds:
4.63 V to 1.58 V
Secondary supply (V
(STM6717/18/19/20/77/78)
Fixed (factory-programmed) reset thresholds:
3.08 V to 0.79 V
Tertiary supply monitor (using externally
adjustable RSTIN): 0.626 V internal reference
RST outputs (push-pull or open drain); state
guaranteed if V
Reset delay time (t
210 ms, 900 ms (typ)
Manual reset input (MR)
Optional delayed manual reset input (MRC)
with external capacitor (STM6777/78/79/80)
Low supply current - 11 µA (typ),
V
Operating temperature: –40 °C to 85 °C
(industrial grade)
Part
CC1
= V
CC2
Device summary
V
CC1
Monitored voltages
= 3.6 V
CC1
CC1
rec
or V
V
CC2
CC2
) on power-up: 13.2 ms,
) monitor.
CC2
) monitor
≥ 0.8 V
RSTIN
Manual reset
with push-button reset (with delay option)
input (MR)
Dual/triple ultra-low voltage supervisors
Doc ID 11469 Rev 8
STM6717/6718/6719/6720
STM6777/6778/6779/6780
Delayed MR
pin (MRC)
(push-pull)
Active-low
Reset output (RST)
SOT23-5 (WY)
SOT23-6 (WB)
(open drain)
Active-low
Package
www.st.com
WY
WY
WB
WB
WB
WB
WB
WB
1/30
1

Related parts for STM6777

STM6777 Summary of contents

Page 1

... Reset delay time ( power-up: 13.2 ms, rec 210 ms, 900 ms (typ) ■ Manual reset input (MR) ■ Optional delayed manual reset input (MRC) with external capacitor (STM6777/78/79/80) ■ Low supply current - 11 µA (typ 3.6 V CC1 CC2 ■ Operating temperature: –40 ° °C (industrial grade) Table 1 ...

Page 2

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 Active-low, push-pull reset output (RST) - STM6718/20/78/ Active-low, open drain reset output (RST) - STM6717/19/77/ Push-button reset input (MR Manual reset delay input (MRC) - STM6777/78/79/80 Primary supply voltage monitoring input (V Secondary supply voltage monitoring input (V Adjustable reset comparator input (RSTIN; STM6719/20/79/80 Doc ID 11469 Rev 8 ) ...

Page 3

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 3. Pin functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 4. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Table 5. Operating and AC measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Table 6. DC and AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Table 7. t minimum pulse width . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 MLMH Table 8. SOT23-5 – 5-lead small outline transistor package mechanical data Table 9. SOT23-6 – ...

Page 4

... MR-to-reset output delay vs. temperature (V Figure 25. AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 26. MR timing waveform (STM6717/18/19/20 Figure 27. MR timing waveform (STM6777/78/79/80 Figure 28. SOT23-5 – 5-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 23 Figure 29. SOT23-6 – 6-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 24 Figure 30. ...

Page 5

... All device options have a push-button-type manual reset input (MR). The STM6777/78/79/80 also includes an option which enables the user to delay the start of the manual reset process from 6 µs (MRC pin left open) or more with external capacitor. The ...

Page 6

... Secondary supply voltage input CC2 RSTIN Adjustable reset comparator input V Ground SS 6/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 Figure 2. MRC RST MR AI10413 Figure 4. RSTIN MRC RST MR AI10414 Doc ID 11469 Rev 8 Logic diagram (STM6777/78 CC2 CC1 STM6777 RST STM6778 V SS AI10415 Logic diagram (STM6779/80 STM6779 RST STM6780 V SS AI10416 ...

Page 7

... MR returns to high. This active-low input has an internal 50 kΩ pull-up resistor to rec Figure 6. V CC1 V CC2 AI10417 Figure 8. V CC1 RST RSTIN V CC2 AI10419 Doc ID 11469 Rev 8 Description STM6777/78 SOT23-6 connections RST CC1 MRC CC2 STM6779/80 SOT23-6 connections V ...

Page 8

... MR is driven from long cables or if the device is used in noisy environments, connecting a 0.1µF capacitor from 1.1.4 Manual reset delay input (MRC) - STM6777/78/79/80) This pin is either left open or connected to V capacitor, the manual reset process, initiated by pressing the push-button manual reset input, can be delayed by any value from 6 µ ...

Page 9

... V input is available on STM6717/18/19/20/77/78. CC2 2. RSTIN available only on STM6719/20/79/80. 3. MRC available only on STM6777/78/79/80. Figure 10. Hardware hookup V CC3 = (626.5mV available only on STM6717/18/19/20/77/78. CC2 2. RSTIN available only on STM6719/20/79/80. 3. MRC available only on STM6777/78/79/80. V CC1 V RST1 COMPARE COMPARE V RST2 V REF/2 = 0.626 COMPARE V CC1 MR Logic ...

Page 10

... The resistor value used is not critical, but it must be large enough not to load the reset output when V adequate. Figure 11. STM67xx interface to processor with bi-directional reset pins V CC2 Figure 12. Ensuring RST valid to V 10/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 11 greater than 0 applications which require valid reset CC2 = 0, a pull-down resistor to active-low outputs (push-pull only, see CC is above the reset threshold. For most applications, 100 kΩ ...

Page 11

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 3 Typical operating characteristics Note: Typical values are at T Figure 13. Supply current vs. temperature ( –40 Figure 14. Supply current vs. temperature ( – °C unless otherwise noted. A CC1 I TOTAL I CC1 I CC2 – Temperature (°C) ...

Page 12

... Figure 16. Supply current vs. temperature ( –40 12/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 CC1 I TOTAL I CC1 I CC2 – Temperature (°C) CC1 I TOTAL I CC1 I CC2 – Temperature (°C) Doc ID 11469 Rev 2.0 V) CC2 2 ...

Page 13

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 Figure 17. Normalized V 1.07 1.05 1.03 1.01 0.99 0.97 Figure 18. Maximum V 1000 100 reset time-out period vs. temperature CC –40 – Temperature (°C) transient duration vs. reset threshold overdrive Reset threshold overdrive (mV) Doc ID 11469 Rev 8 Typical operating characteristics 100 1000 AI11847 AI11848 13/30 ...

Page 14

... Typical operating characteristics Figure 19. Normalized V 1.004 1.002 1.000 0.998 0.996 Figure 20. Normalized V 1.004 1.002 1.000 0.998 0.996 14/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 threshold vs. temperature RST1 –40 – Temperature (°C) threshold vs. temperature RST2 –40 – Temperature (°C) Doc ID 11469 Rev AI11849 ...

Page 15

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 Figure 21. Reset input threshold vs. temperature 630 629 628 627 626 625 624 –40 Figure 22. V CC1 –40 – Temperature (°C) -to-reset delay vs. temperature – Temperature (°C) Doc ID 11469 Rev 8 Typical operating characteristics ...

Page 16

... Typical operating characteristics Figure 23. Reset input-to-reset output delay vs. temperature 29.0 28.5 28.0 27.5 27.0 26.5 26.0 25.5 25.0 –40 Figure 24. MR-to-reset output delay vs. temperature (V 500 480 460 440 420 400 16/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 – Temperature (°C) –40 – Temperature (°C) Doc ID 11469 Rev 3.6V) CC1 AI11853 AI11854 ...

Page 17

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 4 Maximum rating Stressing the device above the rating listed in the Absolute Maximum Ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied ...

Page 18

... Input rise and fall times Input pulse voltages Input and output timing ref. voltages Figure 25. AC testing input/output waveforms Figure 26. MR timing waveform (STM6717/18/19/20) t MLMH MR RST Figure 27. MR timing waveform (STM6777/78/79/80) MR RST 1. By connecting a certain capacitor between the MRC pin and V more (t , see MLMH 18/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 conditions ...

Page 19

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 Table 6. DC and AC characteristics Alter- Sym Description native V Operating voltage supply current CC1 CC1 I V supply current CC2 CC2 (2) I Input leakage current LI Open drain RST output I LO leakage current Output low voltage (RST push-pull or open drain) Output high voltage (RST; ...

Page 20

... RST pulse width rec RP Adjustable reset comparator input (STM6719/20/79/80) V RSTIN input threshold RSTIN I RSTIN input current RSTIN RSTIN hysteresis RSTIN to RST t RSTIND output delay 20/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 (1) Test condition T (falling) S (falling) R (falling) Z (falling) Y (falling) W (falling) V (falling) I (falling) H (falling) G (falling) F (falling) K (falling) J (falling) E (falling) ...

Page 21

... IL MR input voltage minimum pulse width (STM6717/18/19/20 MLMH MR MR minimum pulse width (STM6777/78/79/80 RST output delay MLRL MRD MR glitch immunity (STM6717/18/19/20) MR pull-up resistance 1. Valid for ambient operating temperature: T noted). 2. Input leakage for the MRC pin is not tested. ...

Page 22

... Package mechanical data 6 Package mechanical data 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. 22/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 Doc ID 11469 Rev 8 ® ...

Page 23

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 Figure 28. SOT23-5 – 5-lead small outline transistor package mechanical drawing Note: Drawing is not to scale. Table 8. SOT23-5 – 5-lead small outline transistor package mechanical data Symb Note: Dimensions per JEDEC SOT/SOP product outline MO-178C, variation AA ...

Page 24

... Drawing is not to scale. Table 9. SOT23-6 – 6-lead small outline transistor package mechanical data Symb Note: Dimensions per JEDEC SOT/SOP product outline MO-178C variation AB 24/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 0. Datum A 0.20 C θ Min ...

Page 25

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 Figure 30. Carrier tape for SOT23-5L and SOT23-6L T TOP COVER TAPE K 0 Note: Part pin 1 indicator is on bottom left for shipping method “F” and is on top right for shipping method “R” see Section Table 10. Carrier tape dimensions for SOT23-5L and SOT23-6L ...

Page 26

... For other options, or for more information on any aspect of this device, please contact the ST sales office nearest you. 2. Available in STM6719 version only. 3. Available in STM6717 version only. 4. Available for STM6720SY, STM6719SF and STM6719SFB versions only. 26/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 STM67xx ) for V and V RST2 CC1 ...

Page 27

... STM6720SF 2.925 STM6720TG 3.075 STM6720TW 3.075 STM6720SV 2.925 STM6720SY 2.925 STM6720TZ 3.075 STM6777SF 2.925 STM6777TG 3.075 STM6777TW 3.075 STM6777SV 2.925 STM6777SY 2.925 STM6777TZ 3.075 V threshold (V) Topside marking RST2 0.788 7SD1 0.875 7SJ1 1.050 7SF1 1.110 7TG1 1.110 7TG9 1.665 7TW1 1.575 7SV1 2 ...

Page 28

... For topside marking, “7” is the family number, followed by the V threshold and device number (1,9 = STM6717 6718 6719 6720 6777 6778 6779 6780). For bottomside marking, “P” = assembly site, “Y” = 1-digit year, and “WW” = 2-digit work week. 28/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 V threshold (V) Topside marking RST2 1.050 7SF6 1 ...

Page 29

... STM6717/6718/6719/6720/STM6777/6778/6779/6780 8 Revision history Table 13. Document revision history Date 18-Oct-2004 25-Oct-2004 14-Jan-2005 09-Feb-2005 08-Apr-2005 28-Jul-2005 13-Sep-2005 07-Oct-2005 07-Feb-2007 12-Jun-2007 05-Dec-2007 22-Mar-2010 02-Aug-2011 Revision 1 First draft 1.1 Descriptive text, sales types 1.2 Update characteristics, pin functions 1.3 Update characteristics Update characteristics and mechanical dimensions; add table 1 ...

Page 30

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 30/30 STM6717/6718/6719/6720/STM6777/6778/6779/6780 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www ...

Related keywords