stm706r STMicroelectronics, stm706r Datasheet
stm706r
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stm706r Summary of contents
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... CC OPERATING TEMPERATURE: –40° 85° C (Industrial Grade) Table 1. Device Options Watchdog Input STM706T/S/R (2) STM706P STM708T/S/R Note: 1. Push-Pull Output 2. The STM706P is identical to the STM706R, except its reset output is active-high. February 2005 Figure 1. Packages 2.70V Active-Low Active-High Watchdog (1) Output RST RST 3V Supervisor ...
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STM706T/S/R; STM706P; STM708T/S/R TABLE OF CONTENTS FEATURES SUMMARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Figure 26.Maximum Transient Duration vs. Reset Threshold Overdrive MAXIMUM RATING ...
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... STM708T/S/R) as well as a power-fail compar- ator to provide the system with an early warning of impending power failure. condition CC The STM706P is identical to the STM706R, except its reset output is active-high. These devices are available in a standard 8-pin SOIC package or a space-saving 8-pin TSSOP package. ...
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Figure 4. STM706T/S/R and STM706P SO8 Connections SO8 PFI 4 5 Note: 1. For STM706P reset output is active-high. Figure 5. STM706T/S/R and STM706P TSSOP8 Connections TSSOP8 (1) RST(RST) ...
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STM706T/S/R; STM706P; STM708T/S/R Pin Descriptions MR. A logic low on MR asserts the reset output. Reset remains asserted as long low and for t after MR returns high. This active-low input rec has an internal pull-up. It ...
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Figure 8. Block Diagram (STM706T/S/R and STM706P) WDI WDI Transitional Detector PFI Note: 1. For STM706P only. Figure 9. Block Diagram (STM708T/S/ PFI STM706T/S/R; STM706P; STM708T/S/R WATCHDOG TIMER COMPARE ...
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STM706T/S/R; STM706P; STM708T/S/R Figure 10. Hardware Hookup Regulator Unregulated V Voltage IN R1 From Microprocessor R2 Note: 1. For STM706T/S/R and STM706P. 2. For STM706P and STM708T/S/R. 8/ STM706T/S/R; 0.1 F STM706P; STM708T/S/R (1) (1) WDI ...
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OPERATION Reset Output The STM70x Supervisor asserts a reset signal to the MCU whenever V goes below the reset CC threshold ( watchdog time-out occurs (if RST WDO is connected to MR), or when the Push-but- ton Reset ...
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STM706T/S/R; STM706P; STM708T/S/R Interfacing to Microprocessors with Bi- directional Reset Pins Microprocessors with bi-directional reset pins can contend with the STM70x reset output. For exam- ple, if the reset output is driven high and the micro wants to pull it ...
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Figure 14. V Threshold vs. Temperature PFI 1.270 1.265 2.5V 1.260 3. 3.3V 1.255 3.6V 1.250 1.245 1.240 1.235 1.230 1.225 –40 –20 Figure 15. Reset Comparator Propagation ...
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STM706T/S/R; STM706P; STM708T/S/R Figure 16. Power-up t vs. Temperature rec 240 235 230 225 220 215 210 –40 –20 0 Figure 17. Normalized Reset Threshold vs. Temperature 1.004 1.002 1.000 0.998 0.996 –40 –20 12/ Temperature ...
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Figure 18. Watchdog Time-out Period vs. Temperature 1.90 1.85 1.80 1.75 1.70 1.65 1.60 –40 –20 Figure 19. PFI to PFO Propagation Delay vs. Temperature 4.0 3.0 2.0 1.0 0.0 –40 –20 STM706T/S/R; STM706P; STM708T/S Temperature ...
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STM706T/S/R; STM706P; STM708T/S/R Figure 20. Output Voltage vs. Load Current (V 5.00 4.98 4.96 4. Figure 21. Output Voltage vs. Load Current (V 2.80 2.78 2.76 2.74 2.72 2.70 2.68 2.66 0.0 0.2 14/ ...
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Figure 22. RST Output Voltage vs. Supply Voltage Figure 23. RST Output Voltage vs. Supply Voltage STM706T/S/R; STM706P; STM708T/S/R 500ms/div V RST V CC 500ms/div AI09149b AI09150b 15/26 ...
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STM706T/S/R; STM706P; STM708T/S/R Figure 24. Power-fail Comparator Response Time (Assertion) 5V PFO 1.3V PFI Figure 25. Power-fail Comparator Response Time (De-Assertion) PFO 0V PFI 0V 16/26 500ns/div 500ns/div AI09154b 1V/div 0V 500mV/div 0V AI09153b 5V 1V/div 1.3V 500mV/div ...
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... STM706T/S/R; STM706P; STM708T/S/R Reset occurs above the curve. 0.01 0.1 Reset Comparator Overdrive, V RST plied. Exposure to Absolute Maximum Rating con- ditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality docu- ments. Parameter Off – V ...
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STM706T/S/R; STM706P; STM708T/S/R DC AND AC PARAMETERS This section summarizes the operating measure- ment conditions, and the DC and AC characteris- tics of the device. The parameters in the DC and AC characteristics Tables that follow, are derived from tests ...
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Figure 29. MR Timing Waveform MR tMLRL (1) RST tMLMH Note: 1. RST for STM706P and STM708T/S/R. Figure 30. Watchdog Timing (STM706T/S/R and STM706P trec RST WDI WDO Table 6. DC and AC Characteristics Alter- Sym Description native ...
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STM706T/S/R; STM706P; STM708T/S/R Alter- Sym Description native Output Low Voltage (PFO RST, RST, WDO) V Output Low Voltage (RST) OL Output High Voltage (RST, RST, WDO Output High Voltage (PFO) Power-fail Comparator V PFI Input Threshold ...
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PACKAGE MECHANICAL Figure 31. SO8 – 8-lead Plastic Small Outline, 150 mils body width, Package Mechanical Note: Drawing is not to scale. Table 7. SO8 – 8-lead Plastic Small Outline, 150 mils body ...
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STM706T/S/R; STM706P; STM708T/S/R Figure 32. TSSOP8 – 8-lead, Thin Shrink Small Outline, 3x3mm body size, Outline Note: Drawing is not to scale. Table 8. TSSOP8 – 8-lead, Thin Shrink Small Outline, 3x3mm body size, ...
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PART NUMBERING Table 9. Ordering Information Scheme Example: Device Type STM706 STM708 Reset Threshold Voltage T: 3.00V V 3.15V RST S: 2.88V V 3.00V RST R, STM706P: 2.59V V 2.70V RST Package M = SO8 DS = TSSOP8 Temperature Range ...
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... STM706T/S/R; STM706P; STM708T/S/R Table 10. Marking Description Part Number Reset Threshold STM706P STM706T STM706S STM706R STM708T STM708S STM708R 24/26 Package SO8 2.63V TSSOP8 SO8 3.08V TSSOP8 SO8 2.93V TSSOP8 SO8 2.63V TSSOP8 SO8 3.08V TSSOP8 SO8 2.93V TSSOP8 SO8 2.63V TSSOP8 Topside Marking ...
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REVISION HISTORY Table 11. Document Revision History Date Version October 2003 1.0 First Issue Reformatted; update characteristics (Figure 10, 28, 29, 30; Table 12-Dec-03 2.0 9) Add Typical Operating Characteristics (Figure 13, 14, ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...