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STM6502 Datasheet

(STM6502 - STM6505) Dual push-button smart reset

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STM6502, STM6503
STM6504, STM6505
Dual push-button smart reset
Features
Operating voltage 1.0 V (active-low output
valid) to 5.5 V
Low supply current
Factory-programmable thresholds to monitor
VCC in the range of 1.575 to 4.625 V typ.
Open-drain, active-low reset output
Dual smart reset push-button inputs with
extended reset set up delay
Adjustable smart reset setup delay (tSRC):
by external capacitor or external resistor or
three-state logic
Power-on reset
Operating temperature:
industrial grade –40 °C to +85 °C
Package: TDFN-8L 2 x 2 x 0.75 mm,
0.5 mm pitch
RoHS compliant
TDFN-8L 2 x 2 mm
Applications
MP3 players
Portable navigation devices
Mobile phones
www.DataSheet4U.com
Table 1. Device summary
Voltage inputs
Smart reset inputs
tSRC
Reset or Power
programming Good outputs
Part
number
Three-
VCC
VBAT
SR or
SR0
SR1
SRE
immediate,
independent
Ext.
SRC pin
state
input
TSR
RST
Package
BLD
STM6502(1)
✓✓
STM6503
✓✓
STM6504
STM6505
1. Contact local ST sales office for availability.
✓ ✓ TDFN-8L
✓✓
TDFN-8L
✓✓
TDFN-8L
✓ ✓ ✓ TDFN-8L
August 2009
Doc ID 16101 Rev 1
1/24
www.st.com
1


STMicroelectronics Electronic Components Datasheet

STM6502 Datasheet

(STM6502 - STM6505) Dual push-button smart reset

No Preview Available !

Contents
Contents
STM6502, STM6503, STM6504, STM6505
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Power supply (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Ground (VSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Smart reset input (SR0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Secondary smart reset input (SR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.5 Edge-triggered smart reset input (SRE) - STM6504 only . . . . . . . . . . . . 11
3.6 Adjustable delay of smart reset input (SRC pin) - STM6502 and
STM6505 only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.6.1 Optional smart reset push-button setup delay times . . . . . . . . . . . . . . . 12
3.7 Programmable smart reset input delay (TSR pin) - STM6503 and
STM6504 only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.8 Reset output (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.9 Battery monitor input (VBAT) - STM6505 only . . . . . . . . . . . . . . . . . . . . . . 13
3.10 Battery low detect output (BLD) - STM6505 only . . . . . . . . . . . . . . . . . . . 13
4 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
www.DataS5heet4U.com DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
7 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
2/24 Doc ID 16101 Rev 1


Part Number STM6502
Description (STM6502 - STM6505) Dual push-button smart reset
Maker ST Microelectronics
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STM6502 Datasheet PDF






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