STM6780 STMicroelectronics, STM6780 Datasheet - Page 2

• Manufacturer Part Number: STM6780
• Description: Dual/triple ultra-low voltage supervisors with push-button reset (with delay option)
• Manufacturer: STMicroelectronics

Specifications of STM6780

• Primary Supply (vcc1) Monitor. Fixed (factory-programmed) Reset Thresholds: 4.63 V to 1.58 V
• Fixed (factory-programmed) Reset Thresholds: 3.08 V to 0.79 V
• Tertiary Supply Monitor (using Externally Adjustable Rstin): 0.626 V internal reference
• Reset Delay Time (trec) On Power-up: 13.2 ms, 210 ms, 900 ms (typ)
• Operating Temperature: –40 °C to 85 °C (industrial grade)

Contents
Contents
1
2
3
4
5
6
7
8
2/30
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1
Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
1.1.6
1.1.7
Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Active-low, push-pull reset output (RST) - STM6718/20/78/80 . . . . . . . . 7
Active-low, open drain reset output (RST) - STM6717/19/77/79 . . . . . . . 7
Push-button reset input (MR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Manual reset delay input (MRC) - STM6777/78/79/80) . . . . . . . . . . . . . . 8
Primary supply voltage monitoring input (V
Secondary supply voltage monitoring input (V
Adjustable reset comparator input (RSTIN; STM6719/20/79/80) . . . . . . 8
Doc ID 11469 Rev 8
STM6717/6718/6719/6720/STM6777/6778/6779/6780
CC1
CC2
) . . . . . . . . . . . . . . . . . . . 8
) . . . . . . . . . . . . . . . . . 8