STM6502 Datasheet, PDF (1/29 Pages) STMicroelectronics – Dual push-button Smart ResetTM with user-adjustable setup delays

STM6502, STM6503
STM6504, STM6505
Dual push-button Smart Reset^TM with user-adjustable setup delays
Features
■ Dual Smart Reset push-button inputs with
extended reset setup delay
■ Adjustable Smart Reset setup delay (t_SRC):
by external capacitor or three-state logic
(product options): t_SRC = 2, 6, 10 s (min.)
■ Power-on reset
■ Single RST output, active-low, open-drain
■ Factory-programmable thresholds to monitor
V_CC in the range of 1.575 to 4.625 V typ.
■ Operating voltage 1.0 V (active-low output
valid) to 5.5 V
■ Low supply current
■ Operating temperature:
industrial grade –40 °C to +85 °C
■ TDFN8 package: 2 mm x 2 mm x 0.75 mm
■ RoHS compliant
TDFN8 (DG)
2 mm x 2 mm
Applications
■ Mobile phones, smartphones
■ e-books
■ MP3 players
■ Games
■ Portable navigation devices
■ Any application that requires delayed reset
push-button(s) response for improved system
stability
Table 1.
Device summary
Voltage inputs
Smart Reset inputs
t_SRC
Reset or Power
programming Good outputs
Part
number
V_CC V_BAT
SR0
SR1
SRE
immediate,
independent
Ext.
SRC pin
Three-
state
input
TSR
RST
Package
BLD
STM6502⁽¹⁾ ✓
✓
✓
✓
✓
TDFN-8L
STM6503
✓
STM6504⁽¹⁾ ✓
✓
✓
✓
✓
✓
✓
✓
✓
TDFN-8L
TDFN-8L
STM6505
✓
✓
✓
✓
✓
✓
✓ TDFN-8L
1. Contact local ST sales office for availability.
June 2010
Doc ID 16101 Rev 5
1/29
www.st.com
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