AT29LV512-12JC 查看數據表（PDF） - Atmel Corporation

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AT29LV512-12JC

512K 64K x 8 3-volt Only CMOS Flash Memory

Atmel Corporation 

TOGGLE BIT: In addition to DATA polling the AT29LV512 provides another method

for determining the end of a program or erase cycle. During a program or erase opera-

tion, successive attempts to read data from the device will result in I/O6 toggling

between one and zero. Once the program cycle has completed, I/O6 will stop toggling

and valid data will be read. Examining the toggle bit may begin at any time during a pro-

gram cycle.

OPTIONAL CHIP ERASE MODE: The entire device can be erased by using a 6-byte

software code. Please see Software Chip Erase application note for details.

Absolute Maximum Ratings*

Temperature Under Bias................................ -55°C to +125°C

Storage Temperature ..................................... -65°C to +150°C

All Input Voltages (including NC Pins)

with Respect to Ground ...................................-0.6V to +6.25V

All Output Voltages

with Respect to Ground .............................-0.6V to VCC + 0.6V

Voltage on A9 (including NC Pins)

with Respect to Ground ...................................-0.6V to +13.5V

*NOTICE:

Stresses beyond those listed under “Absolute

Maximum Ratings” may cause permanent dam-

age to the device. This is a stress rating only and

functional operation of the device at these or any

other conditions beyond those indicated in the

operational sections of this specification is not

implied. Exposure to absolute maximum rating

conditions for extended periods may affect

device reliability

4 AT29LV512

0177M–05/02

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