STM6720 datasheet(4/30 Pages) STMICROELECTRONICS

4 / 30 page

List of figures

STM6717/6718/6719/6720/STM6777/6778/6779/6780

4/30

Doc ID 11469 Rev 7

List of figures

Figure 1.

Logic diagram (STM6717/18) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 2.

Logic diagram (STM6777/78) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3.

Logic diagram (STM6719/20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 4.

Logic diagram (STM6779/80) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 5.

STM6717/18 SOT23-5 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 6.

STM6777/78 SOT23-6 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 7.

STM6719/20 SOT23-6 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 8.

STM6779/80 SOT23-6 connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 9.

Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 10.

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

Figure 11.

STM67xx interface to processor with bi-directional reset pins . . . . . . . . . . . . . . . . . . . . . . 10

Figure 12.

Ensuring RST valid to VCC = 0 (active-low, push-pull outputs). . . . . . . . . . . . . . . . . . . . . . 10

Figure 13.

Supply current vs. temperature (VCC1 = 5.5 V; VCC2 = 3.6 V) . . . . . . . . . . . . . . . . . . . . . . 11

Figure 14.

Supply current vs. temperature (VCC1 = 3.6 V; VCC2 = 2.75 V) . . . . . . . . . . . . . . . . . . . . . 11

Figure 15.

Supply current vs. temperature (VCC1 = 3.0 V; VCC2 = 2.0 V) . . . . . . . . . . . . . . . . . . . . . . 12

Figure 16.

Supply current vs. temperature (VCC1 = 2.0 V; VCC2 = 1.0 V) . . . . . . . . . . . . . . . . . . . . . . 12

Figure 17.

Normalized VCC reset time-out period vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 18.

Maximum VCC transient duration vs. reset threshold overdrive . . . . . . . . . . . . . . . . . . . . . 13

Figure 19.

Normalized VRST1 threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 20.

Normalized VRST2 threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 21.

Reset input threshold vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 22.

VCC1-to-reset delay vs. temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 23.

Reset input-to-reset output delay vs. temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 24.

MR-to-reset output delay vs. temperature (VCC1 = 3.6V) . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 25.

AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 26.

MR timing waveform (STM6717/18/19/20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 27.

MR timing waveform (STM6777/78/79/80) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 28.

SOT23-5 – 5-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 23

Figure 29.

SOT23-6 – 6-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 24

Figure 30.

Carrier tape for SOT23-5L and SOT23-6L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

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