at27bv256 ATMEL Corporation, at27bv256 Datasheet - Page 10

• Manufacturer Part Number: at27bv256
• Description: At27bv256 256k 32k X 8 Unregulated Battery-voltage High-speed Otp Eprom
• Manufacturer: ATMEL Corporation

18. Rapid Programming Algorithm
A 100 µs CE pulse width is used to program. The address is set to the first location. V
is
CC
raised to 6.5V and V
is raised to 13.0V. Each address is first programmed with one 100 µs
PP
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. V
is then lowered to 5.0V and V
to 5.0V. All bytes
PP
CC
are read again and compared with the original data to determine if the device passes or fails.
AT27BV256
10
0601E–EPROM–12/07