AT25P1024 데이터 시트보기 (PDF) - Atmel Corporation

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AT25P1024

SPI Serial EEPROMs

Atmel Corporation 

The AT25P1024 is enabled through the Chip Select pin

(CS) and accessed via a 3-wire interface consisting of

Serial Data Input (SI), Serial Data Output (SO), and Serial

Clock (SCK). All programming cycles are completely self-

timed, and no separate ERASE cycle is required before

WRITE.

BLOCK WRITE protection is enabled by programming the

status register with top ¼, top ½ or entire array of write pro-

tection. Separate program enable and program disable

instructions are provided for additional data protection.

Hardware data protection is provided via the WP pin to pro-

tect against inadvertent write attempts to the status regis-

ter. The HOLD pin may be used to suspend any serial

communication without resetting the serial sequence.

Absolute Maximum Ratings*

Operating Temperature .................................. -55°C to +125°C

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

Voltage on Any Pin

with Respect to Ground .................................... -1.0V to +7.0V

Maximum Operating Voltage........................................... 6.25V

DC Output Current ........................................................ 5.0 mA

*NOTICE:

Stresses beyond those listed under “Absolute Maxi-

mum Ratings” may cause permanent damage to the

device. This is a stress rating only and functional

operation of the device at these or any other condi-

tions beyond those indicated in the operational sec-

tions of this specification is not implied. Exposure to

absolute maximum rating conditions for extended

periods may affect device reliability.

Block Diagram

131,072 x 8

2

AT25P1024

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