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AT34C02C Datasheet(PDF) 9 Page - ATMEL Corporation |
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AT34C02C Datasheet(HTML) 9 Page - ATMEL Corporation |
9 / 18 page 9 5242B–SEEPR–01/09 AT34C02C Table 6. Write Protection Table 7. VHV Note: VHV - VCC > 4.8V Table 8. WP Connected to GND or Floating Pin Preamble RW Command A2 A1 A0 B7 B6 B5 B4 B3 B2 B1 B0 Set PSWP A2 A1 A0 0 1 1 0 A2 A1 A0 0 Set RSWP 00 VHV 0 11 00 0 1 0 Clear RSWP 01 VHV 0 11 00 1 1 0 Min Max Units VHV 7 10 V WP Connected to GND or Floating Command R/W Bit Permanent Write Protect Register PSWP Reversible Write Protect Register RSWP Acknowledgment from Device Action from Device 1010 R X X ACK 1010 W Programmed X ACK Can write to second Half (80H - FFH) only 1010 W X Programmed ACK Can write to second Half (80H - FFH) only 1010 W Not Programmed Not Programmed ACK Can write to full array Read PSWP R Programmed X No ACK STOP - Indicates permanent write protect register is programmed Read PSWP R Not Programmed X ACK Read out data don't care. Indicates PSWP register is not programmed Set PSWP W Programmed X No ACK STOP - Indicates permanent write protect register is programmed Set PSWP W Not Programmed X ACK Program permanent write protect register (irreversible) Read RSWP R X Programmed No ACK STOP - Indicates reversible write protect register is programmed Read RSWP R X Not Programmed ACK Read out data don't care. Indicates RSWP register is not programmed Set RSWP W X Programmed No ACK STOP - Indicates reversible write protect register is programmed |
Similar Part No. - AT34C02C_14 |
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Similar Description - AT34C02C_14 |
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