STM6780 STMicroelectronics, STM6780 Datasheet

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... STM6719 ✔ ✔ STM6720 ✔ ✔ STM6777 ✔ ✔ STM6778 ✔ STM6779 ✔ STM6780 August 2011 STM6717/6718/6719/6720 STM6777/6778/6779/6780 Dual/triple ultra-low voltage supervisors with push-button reset (with delay option) ≥ 0.8 V Manual reset Delayed MR input (MR) pin (MRC) RSTIN ✔ ✔ ✔ ...

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Contents Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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STM6717/6718/6719/6720/STM6777/6778/6779/6780 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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List of figures List of figures Figure 1. Logic diagram (STM6717/18 ...

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STM6717/6718/6719/6720/STM6777/6778/6779/6780 1 Description The STM6717/18/19/20 and STM6777/78/79/80 supervisors are a family of low-voltage/low- supply current processor (micro or DSP) supervisors, designed to monitor two (or three) system power supply voltages. They are targeted at applications such as set-top boxes (STBs), ...

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... 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 ...

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STM6717/6718/6719/6720/STM6777/6778/6779/6780 Figure 5. STM6717/18 SOT23-5 connections 5 1 RST Figure 7. STM6719/20 SOT23-6 connections 6 1 RST 1.1 Pin descriptions 1.1.1 Active-low, push-pull reset output (RST) - ...

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... STM6717/6718/6719/6720/STM6777/6778/6779/6780 through a switch. If unused, leave this pin open or connect provides additional noise immunity. SS via a capacitor. By selecting the appropriate SS Pin Name STM6777 STM6779 STM6778 STM6780 1 1 RST MRC CC1 4 — V CC2 — 5 RSTIN Adjustable reset comparator input ...

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STM6717/6718/6719/6720/STM6777/6778/6779/6780 Figure 9. Block diagram V CC2 (1) RSTIN (2) MRC ( 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) ...

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Operation 2 Operation 2.1 Applications information 1. Interfacing to processors with bi-directional reset pins Most processors with bi-directional reset pins can interface directly to the open drain RST outputs (STM6717/19/77/79). Systems simultaneously requiring a push-pull RST output and a bi-directional ...

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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 ( ...

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Typical operating characteristics Figure 15. Supply current vs. temperature ( –40 Figure 16. Supply current vs. temperature ( –40 12/30 ...

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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 ...

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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 –20 0 ...

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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 ...

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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 – ...

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... 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. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 4. ...

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DC and AC parameters 5 DC and AC parameters This section summarizes the operating measurement conditions, and the DC and AC characteristics of the device. The parameters in the DC and AC characteristics tables that follow, are derived from tests ...

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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 ...

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DC and AC parameters Table 6. DC and AC characteristics (continued) Alter- Sym Description native ( reset threshold RST2 TH2 CC2 V Reset threshold hysteresis HYST RST delay RST pulse ...

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STM6717/6718/6719/6720/STM6777/6778/6779/6780 Table 6. DC and AC characteristics (continued) Alter- Sym Description native Manual (push-button) reset input input voltage minimum pulse width (STM6717/18/19/20 MLMH MR MR minimum pulse width (STM6777/78/79/80 ...

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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 ...

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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 ...

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Package mechanical data Figure 29. SOT23-6 – 6-lead small outline transistor package mechanical drawing Note: Drawing is not to scale. Table 9. SOT23-6 – 6-lead small outline transistor package mechanical data Symb ...

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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 ...

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Part numbering 7 Part numbering Table 11. Ordering information scheme Example: Device type STM67xx Reset thresholds (V and V RST1 STM6717/18/19/20/77/78 (V RST1 Suffix V RST1 LT 4.625 MS 4.375 MR 4.375 (1) TZ 3.075 (1) TW 3.075 TI 3.075 ...

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STM6717/6718/6719/6720/STM6777/6778/6779/6780 Table 12. Marking description Part number V threshold (V) RST1 STM6717SD 2.925 STM6717SJ 2.925 STM6717SF 2.925 STM6717TG 3.075 STM6717TGG 3.075 STM6717TW 3.075 STM6717SV 2.925 STM6717SY 2.925 STM6717TZ 3.075 STM6718SF 2.925 STM6718TG 3.075 STM6718TW 3.075 STM6718SV 2.925 STM6718SY 2.925 STM6718TZ ...

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... STM6780T 3.075 STM6780S 2.925 STM6780Y 2.188 STM6780V 1.575 Note: 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 ...

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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 ...

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