參數(shù)資料
型號(hào): STM6322ZJWY6E
廠商: 意法半導(dǎo)體
英文描述: 5-pin Supervisor with watchdog timer and push-button reset
中文描述: 5引腳看門狗定時(shí)器和按鈕復(fù)位監(jiān)
文件頁(yè)數(shù): 2/26頁(yè)
文件大?。?/td> 149K
代理商: STM6322ZJWY6E
Contents
STM6321/6322STM6821/6822/6823/6824/6825
2/26
Contents
1
Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1.1
Active-low, push-pull reset output (RST) - STM6822/6823/6824/6825 . . 7
1.1.2
Active-low, open drain reset output (RST) - STM6321/6322/6822 . . . . . 7
1.1.3
Push-button reset input (MR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1.4
Watchdog input (WDI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1.5
Active-high reset output (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
Reset output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2
Open drain RST output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3
Push-button reset input (STM6322/6821/6822/6823/6825) . . . . . . . . . . . 11
2.4
Watchdog input (STM6321/6821/6822/6823/6824) . . . . . . . . . . . . . . . . . 11
2.5
Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5.1
Watchdog input current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5.2
Ensuring a valid reset output down to V
CC
= 0V . . . . . . . . . . . . . . . . . . 11
Interfacing to microprocessors with bi-directional reset pins . . . . . . . . . . 12
2.6
3
Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
8
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
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