STM1403ARMQ6F datasheet(5/34 Pages) STMICROELECTRONICS

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STM1403

List of figures

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List of figures

Figure 1.

Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 2.

QFN16 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 3.

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 4.

Hardware hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 5.

Tamper pin (TP1 or TP3) normally high (NH) external hookup (switch closed) . . . . . . . . . . 9

Figure 6.

Tamper pin (TP1 or TP3) normally high (NH) external hookup (switch open). . . . . . . . . . . 10

Figure 7.

Tamper pin (TP2 or TP4) normally low (NL) external hookup (switch closed) . . . . . . . . . . 10

Figure 8.

Tamper pin (TP2 or TP4) normally low (NL) external hookup (switch open). . . . . . . . . . . . 10

Figure 9.

Power-fail comparator waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 10.

Supply voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 11.

VBAT -to-VOUT on-resistance vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 12.

Supply current vs. temperature (no load) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 13.

VPFI threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 14.

Reset comparator propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 15.

Power-up trec vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 16.

Normalized reset threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 17.

PFI to PFO propagation delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 18.

RST output voltage vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 19.

RST response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 20.

Power-fail comparator response time (assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 21.

Power-fail comparator response time (de-assertion) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Figure 22.

VCC to reset propagation delay vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 23.

Maximum transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 24.

AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 25.

MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 26.

STM1403 switchover diagram, condition A (VBAT < VSW) . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 27.

STM1403 switchover diagram, condition B (VBAT > VSW) . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figure 28.

QFN16 – 16-lead, quad, flat package, no lead, 3 x 3 mm body size, outline . . . . . . . . . . . 30

Figure 29.

QFN16 – 16-lead, quad, flat package, no lead, 3 x 3 mm, recommended footprint . . . . . . 31

Figure 30.

Topside marking information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

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