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ECC204 Datasheet(PDF) 2 Page - Microchip Technology |
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ECC204 Datasheet(HTML) 2 Page - Microchip Technology |
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2 / 27 page  ECC204 © 2023 Microchip Technology Inc. and its subsidiaries Summary Data Sheet DS40002436A-page 2 Use Cases • Ecosystem Control Through asymmetric authentication / PKI • Disposables and Accessory Authentication • Disposable applications with limited use through programmable usage counter • Symmetric Authentication through use of an HMAC Key Pin Configuration and Pinouts Table 1. Pin Configuration Package = 8-PAD SOIC or 8-Lead UDFN Package = 3-Lead Contact Pin # Function I2C SWI Pin # Function SWI 1-3,7 No Connect NC NC 1 Serial I/O SI/O 4 Ground GND GND 2 Ground GND 5 Serial I/O SDA SI/O 3 Supply VCC 6 Serial Clock SCL NC — — — 8 Supply VCC VCC — — — Figure 1. Pinouts(1) 1 2 3 4 8 7 6 5 NC NC NC GND VCC NC SCL SDA 8-lead SOIC (Top View) VCC NC SCL SDA NC NC NC GND 1 2 3 4 8 7 6 5 8-pad UDFN (Top View) 3-lead Contact (Top View) GND VCC SDA 2 3 1 Note: 1. Exposed backside paddle of the UDFN package is recommended to be connected to GND. |
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