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AT27C512R-70PA Datasheet(PDF) 9 Page - ATMEL Corporation |
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AT27C512R-70PA Datasheet(HTML) 9 Page - ATMEL Corporation |
9 / 15 page 9 0015O–EPROM–12/07 AT27C512R 18. Rapid Programming Algorithm A 100 µs CE pulse width is used to program. The address is set to the first location. V CC is raised to 6.5V and OE/V PP is raised to 13.0V. Each address is first programmed with one 100 µs CE pulse without verification. Then a verification/reprogramming loop is executed for each address. In the event a byte fails to pass verification, up to 10 successive 100 µs pulses are applied with a verification after each pulse. If the byte fails to verify after 10 pulses have been applied, the part is considered failed. After the byte verifies properly, the next address is selected until all have been checked. OE/V PP is then lowered to VIL and VCC to 5.0V. All bytes are read again and compared with the original data to determine if the device passes or fails. |
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