STM6825 STMicroelectronics, STM6825 Datasheet - Page 2

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STM6825

Manufacturer Part Number
STM6825
Description
Reset + Manual Reset
Manufacturer
STMicroelectronics
Datasheet

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Contents
Contents
1
2
3
4
5
6
7
8
9
2/29
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
2.2
2.3
2.4
2.5
2.6
Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
Reset output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Open drain RST output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Push-button reset input (STM6322/6821/6822/6823/6825) . . . . . . . . . . . 11
Watchdog input (STM6321/6821/6822/6823/6824) . . . . . . . . . . . . . . . . . 11
Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5.1
2.5.2
Interfacing to microprocessors with bidirectional reset pins . . . . . . . . . . . 12
Active-low, push-pull reset output (RST) - 6823/6824/6825 . . . . . . . . . . 7
Active-low, open drain reset output (RST) - STM6321/6322/6822 . . . . . 7
Push-button reset input (MR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Watchdog input (WDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Active-high reset output (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Watchdog input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Ensuring a valid reset output down to V
Doc ID 11110 Rev 11
STM6321/6322STM6821/6822/6823/6824/6825
CC
= 0 V . . . . . . . . . . . . . . . . . . 11

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