Purchase STM6821, In-stock STM6821 From SeekIC.
Part Number: STM6821
Description: The STM6xxx Supervisors are self-contained devices which provide microprocessor supervisory functions....
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STM6821
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DataSheet
General Description
STM6821 General Description
The STM6xxx Supervisors are self-contained devices which provide microprocessor supervisory functions. A precision voltage reference and comparator monitors the VCC input for an out-of-tolerance condition. When an invalid VCC condition occurs, the reset output (RST) is forced low (or high in the case of RST). These devices also offer a watchdog timer (except for STM6322/6825) and/or a push-button (MR) reset input.
These devices are available in a standard 5-pin SOT23 package.
STM6821 Maximum Ratings
| Symbol | Parameter | Value | Unit |
| TSTG | Storage Temperature (VCC Off) | 55 to 150 | |
| TSLD (1) | Lead Solder Temperature for 10 seconds | 260 | |
| VIO | Input or Output Voltage | 0.3 to VCC +0.3 | V |
| VCC | Supply Voltage | 0.3 to 6.0 | V |
| IO | Output Current | 20 | mA |
| PD | Power Dissipation | 320 | mW |
Note: 1. Reflow at peak temperature of 255°C to 260°C for < 30 seconds (total thermal budget not to exceed 180°C for between 90 to 150 seconds).
STM6821 Features
PRECISION VCC MONITORING OF 5V, 3.3V,3V, OR 2.5V POWER SUPPLIES
STM6xxxL
STM6xxxM
STM6xxxT
STM6xxxS
STM6xxxR
STM6xxxZ
RST OUTPUTS (ACTIVE-LOW, PUSH-PULL OR OPEN DRAIN)
RST OUTPUTS (ACTIVE-HIGH, PUSHPULL)
200ms (TYP) trec
WATCHDOG TIMER - 1.6sec (TYP)
MANUAL RESET INPUT (MR)
LOW SUPPLY CURRENT - 3A (TYP)
GUARANTEED RST (RST) ASSERTION DOWN TO VCC = 1.0V
OPERATING TEMPERATURE:
40°C to 85°C (Industrial Grade)
STM6xxxL
STM6xxxM
STM6xxxT
STM6xxxS
STM6xxxR
STM6xxxZ
RST OUTPUTS (ACTIVE-LOW, PUSH-PULL OR OPEN DRAIN)
RST OUTPUTS (ACTIVE-HIGH, PUSHPULL)
200ms (TYP) trec
WATCHDOG TIMER - 1.6sec (TYP)
MANUAL RESET INPUT (MR)
LOW SUPPLY CURRENT - 3A (TYP)
GUARANTEED RST (RST) ASSERTION DOWN TO VCC = 1.0V
OPERATING TEMPERATURE:
40°C to 85°C (Industrial Grade)
STM6821 Connection Diagram
STM6821
PDF/DataSheet Download
- Datasheet: STM6821
- File Size: 322584 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
- ·STM1001
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
- 189987 KB
- ·STM1001L
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
- 189987 KB
- ·STM1001LWX6F
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
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- ·STM1001M
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
- 189987 KB
- ·STM1001MWX6F
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
- 189987 KB
- ·STM1001R
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
- 189987 KB
- ·STM1001RWX6F
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
- 189987 KB
- ·STM1001S
- STMICROELECTRONICS [STMicroelectronics]
- Reset Circuit
- 189987 KB
STM6821 Relative Products
STM6780YWB6F
IC SUPERVISOR DUAL ECO SOT23-6
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STM6780VWB6F
IC SUPERVISOR DUAL ECO SOT23-6
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STM6780TWB6F
IC SUPERVISOR DUAL ECO SOT23-6
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STM6780SWB6F
IC SUPERVISOR DUAL/TRPL SOT23-6
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STM6780LWB6F
IC SUPERVISOR DUAL ECO SOT23-6
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STM6779YWB6F
IC SUPERVISOR DUAL ECO SOT23-6
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