STM6720 STMicroelectronics, STM6720 Datasheet - Page 6

• Manufacturer Part Number: STM6720
• Description: Dual/triple ultra-low voltage supervisors with push-button reset (with delay option)
• Manufacturer: STMicroelectronics

Specifications of STM6720

• 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)

Description
Table 2.
6/30
Figure 1.
Figure 3.
RSTIN
MRC
V
V
RST
V
MR
CC1
CC2
SS
RSTIN
MR
MR
Signal names
Logic diagram (STM6717/18)
Logic diagram (STM6719/20)
Push-button reset input
Manual reset delay input
Active-low reset output
Primary supply voltage input
Secondary supply voltage input
Adjustable reset comparator input
Ground
V
V
STM6719
STM6720
STM6717
STM6718
CC2
CC2
V
V
SS
SS
V
V
CC1
CC1
RST
RST
AI10413
AI10414
Doc ID 11469 Rev 8
STM6717/6718/6719/6720/STM6777/6778/6779/6780
Figure 2.
Figure 4.
RSTIN
MRC
MRC
MR
MR
Logic diagram (STM6777/78)
Logic diagram (STM6779/80)
V
STM6777
STM6778
CC2
STM6779
STM6780
V
V
V
SS
V
CC
SS
CC1
RST
RST
AI10415
AI10416