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FM25V01A-G Datasheet(PDF) 11 Page - Cypress Semiconductor |
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FM25V01A-G Datasheet(HTML) 11 Page - Cypress Semiconductor |
11 / 22 page FM25V01A Document Number: 001-90881 Rev. *E Page 11 of 22 Device ID The FM25V01A device can be interrogated for its manufacturer, product identification, and die revision. The RDID opcode 9Fh allows the user to read the manufacturer ID and product ID, both of which are read-only bytes. The JEDEC-assigned manufacturer ID places the Cypress (Ramtron) identifier in bank 7; therefore, there are six bytes of the continuation code 7Fh followed by the single byte C2h. There are two bytes of product ID, which includes a family code, a density code, a sub code, and the product revision code. Table 6. Device ID Device ID (9 bytes) Device ID Description 71–16 (56 bits) 15–13 (3 bits) 12–8 (5 bits) 7–6 (2 bits) 5–3 (3 bits) 2–0 (3 bits) Manufacturer ID Product ID Family Density Sub Rev Rsvd 7F7F7F7F7F7FC22108h 0111111101111111011111110111 1111011111110111111111000010 001 00001 00 001 000 Figure 15. Read Device ID CS SCK SO SI Opcode 01 2 3 456 7 0 7 6 5 4 3 2 1 4445 46 55 5657 58596061 6263 64 65 6667 6869 7071 10 0 1 1 1 1 1 LSB MSB HI-Z 47 48 49 50 51 52 53 54 9-Byte Device ID D7 D6 D5 D4 D3 D2 D1 D0 D3 D1 D7 D2 D0 D5 D3 D1 D4 D2 D7 D5 D3 D6 D4 D6 D0 D1 D7 D5 D0 D6 D3 D1 D2 D0 D2 D4 |
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Similar Description - FM25V01A-G |
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