STM6601 STMicroelectronics, STM6601 Datasheet - Page 20

• Manufacturer Part Number: STM6601
• Description: Smart push-button on/off controller with Smart ResetTM and power-on lockout
• Manufacturer: STMicroelectronics

Waveforms
Figure 13. Power-up on STM660x with voltage dropout
1. PB detection on falling and rising edges.
2. Internal pull-down resistor 300 kΩ is connected to PS
3. INT signal is held high during power-up.
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PS
Push-button pressed and
PB connected to GND
VCC
HOLD
INT
PB
RST
EN
< t
V CC
LO
(2)
(3)
(1)
DEBOUNCE
V
TH+
V CC goes above V TH+ and
t DEBOUNCE is counted again
V CC
drop
t DEBOUNCE
Doc ID 15453 Rev 10
HOLD
< t
input during power-up.
t
REC
ON_BLANK
INT signal is held high during power-up
internal pull-down resistor
connected to PS
detected
voltage
under-
V CC
HOLD
input
STM6600 - STM6601
V
V
CC–Min
TH–
AM00249v2