STM6505WCABDG6F Datasheet STM6505WCABDG6F, STM6503REAADG6F, STM6503SEAADG6F | P1-P3

February 2011 Doc ID 16101 Rev 6 1/29

STM6502, STM6503

STM6504, STM6505

Dual push-button Smart Reset

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

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

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

TDFN8 (DG)

2 mm x 2 mm

Table 1. Device summary

Part

number

Voltage inputs Smart Reset inputs

SRC

programming

Reset or Power

Good outputs

Package

BAT

SR0 SR1

SRE

immediate,

independent

Ext.

SRC pin

Three-

state

input

TSR

RST

BLD

STM6502

(1)

✓✓✓ ✓ ✓TDFN-8L

STM6503 ✓✓✓ ✓✓TDFN-8L

STM6504

(1)

✓✓ ✓ ✓✓TDFN-8L

STM6505 ✓✓ ✓ ✓ ✓ ✓ ✓TDFN-8L

1. Contact local ST sales office for availability.

www.st.com

Contents STM6502, STM6503, STM6504, STM6505

2/29 Doc ID 16101 Rev 6

Contents

1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Smart Reset devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.2.1 Power supply (V

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.2.2 Ground (V

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.2.3 Primary Smart Reset input (SR0

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.2.4 Secondary Smart Reset input (SR1

) . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1.2.5 Edge-triggered Smart Reset input (SRE pin) – STM6504 only . . . . . . . 11

1.2.6 Adjustable delay of Smart Reset input (SRC pin) – STM6502

and STM6505 only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.2.7 Programmable Smart Reset input delay (TSR pin) – STM6503

and STM6504 only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.8 Reset output (RST

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.9 Battery monitoring input (V

BAT

) – STM6505 only . . . . . . . . . . . . . . . . . 12

1.2.10 Battery low detect output (BLD

) – STM6505 only . . . . . . . . . . . . . . . . . 12

2 Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

7 Package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

STM6502, STM6503, STM6504, STM6505 List of tables

Doc ID 16101 Rev 6 3/29

List of tables

Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table 2. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Table 3. t

SRC

programmed by an ideal external capacitor – STM6502 and STM6505 . . . . . . . . . . 11

Table 4. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 5. Operating and measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 6. DC and AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 7. V

voltage thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Table 8. TDFN – 8-lead 2 x 2 x 0.75 mm, 0.5 mm pitch package mechanical data . . . . . . . . . . . . . 21

Table 9. Parameter for landing pattern - TDFN – 8-lead 2 x 2 mm package . . . . . . . . . . . . . . . . . . 22

Table 10. Carrier tape dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 11. Reel dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 12. Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 13. Package marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 14. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P29

STM6505WCABDG6F

Mfr. #:

Buy STM6505WCABDG6F

Manufacturer:

STMicroelectronics

Description:

Supervisory Circuits Dual Push-Button Smart Reset Adjust

Lifecycle:

New from this manufacturer.

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STM6505WCABDG6F

STM6505WCABDG6F

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