AT27C010-45JU View Datasheet(PDF) - Atmel Corporation

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AT27C010-45JU

1-Megabit (128K x 8) OTP EPROM

Atmel Corporation 

AT27C010

18. Rapid Programming Algorithm

A 100 µs PGM pulse width is used to program. The address is set to the first location. VCC is

raised to 6.5V and VPP is raised to 13.0V. Each address is first programmed with one 100 µs

PGM 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. VPP is then lowered to 5.0V and VCC to 5.0V. All bytes

are read again and compared with the original data to determine if the device passes or fails.

9

0321M–EPROM–12/07

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