ST8024_08 datasheet(24/31 Pages) STMICROELECTRONICS

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ST8024 Scheda tecnica(PDF) 24 Page - STMicroelectronics

Il numero della parte	ST8024

Spiegazioni elettronici	Smartcard interface

PDF	31 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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24 / 31 page

Application

ST8024

24/31

Application

Figure 10.

Application diagram

(1) These capacitors must be of the low ESR-type and be placed near the IC (within 100 mm).

(2) ST8024 and the microcontroller must use the same VDD supply.

(3) Make short, straight connections between CGND, C5 and the ground connection to the capacitor.

(4) Mount one low ESR-type 100 nF capacitor close to pin VCC.

(5) Mount one low ESR-type 100 nF capacitor close to C1 contact.

(6) The connection to C3 should be routed as far from C2, C7, C4 and C8 and, if possible, surrounded by

grounded tracks.

(7) Optional resistor bridge for changing the threshold of VDD. If this bridge is not required pin 18 should be

connected to ground.

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