stm1818r STMicroelectronics, stm1818r Datasheet - Page 2

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stm1818r

Manufacturer Part Number
stm1818r
Description
Low Power Reset Circuit
Manufacturer
STMicroelectronics
Datasheet

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Contents
Contents
1
2
3
4
5
6
7
8
2/25
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1
1.2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1
2.2
2.3
2.4
2.5
Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Package mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Functional block diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2.1
1.2.2
1.2.3
1.2.4
1.2.5
1.2.6
Reset output
Push-button detect reset (STM1813/1818) . . . . . . . . . . . . . . . . . . . . . . . . 9
Interfacing to bidirectional microcontrollers (MCU’s) . . . . . . . . . . . . . . . . . 9
Negative going V
Valid RST output down to V
Active-low RST output (push-pull) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Active-low RST output (open drain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Active-high RST output (push-pull) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Active-low RST output (open drain with internal 5.5 k pull-up) with
manual reset detect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
V
V
CC
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
CC
transients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CC
STM1810/1811/1812/1813/1815/1816/1817/1818
= 0 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

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