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Industrial Commercial EEPROM by ATMEL (AT59C11W1OSC2.7)

Industrial Commercial EEPROM by ATMEL (AT59C11W1OSC2.7)

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Industrial Commercial EEPROM ATMEL (AT59C11W1OSC2.7).

5.0 (VCC ­ 2.7 (VCC ­ 2.5 (VCC to 5.5V) User Selectable Internal Organization 16 4-Wire Serial Interface Self-Timed Write Cycle (10 ms max) High Reliability ­ Endurance: 1 million Write Cycles ­ Data Retention: 100 Years ­ ESD Protection: >4000V 8-Pin PDIP and 8-Pin EIAJ SOIC Packages

The AT59C11/22/13 provides 1024/2048/4096 bits of serial EEPROM (Electrically Erasable Programmable Read Only Memory) organized as 64/128/256 words of 16 bits each, when the ORG Pin is connected to VCC and 128/256/512 words of 8 bits each when it is tied to ground. The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential. The AT59C11/22/13 is available in space saving 8-pin PDIP and 8-pin EIAJ SOIC packages. The AT59C11/22/13 is enabled through the Chip Select pin (CS), and accessed via a 4-wire serial interface consisting of Data Input (DI), Data Output (DO), and Clock (CLK). Upon receiving a READ instruction at DI, the address is decoded and the data is clocked out serially on the data output pin DO, the WRITE cycle is completely selftimed and no separate ERASE cycle is required before WRITE. The WRITE cycle is only enabled when the part is in the ERASE/WRITE ENABLE state. Ready/Busy status can be monitored upon completion of a programming operation by polling the Ready/Busy pin. The AT59C11/22/13 is available to 5.5V and to 5.5V versions.

Pin Name CS CLK DI DO GND VCC ORG RDY/BUSY Function Chip Select Serial Data Clock Serial Data Input Serial Data Output Ground Power Supply Internal Organization Status Output 8-Pin SOIC 8-Pin PDIP

Operating Temperature.................................. to +125°C
Storage Temperature..................................... to +150°C
Voltage on Any Pin with Respect to +7.0V Maximum
Operating Voltage........................................... 6.25VDC
Output Current................................................ 5.0 mA

*NOTICE: Stresses beyond those listed under "Absolute Maximum 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 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.

When the ORG pin is connected to VCC, the x 16 organization is selected. When it is connected to ground, the x 8 organization is selected. If the ORG pin is left unconnected, then an internal pullup device will select the x 16 organization.

Applicable over recommended operating range from = 1.0 MHz, VCC = +5.0V (unless otherwise noted).
Test Conditions COUT CIN Note: Output Capacitance (DO) Input Capacitance (CS, CLK, DI, RDY/BUSY) 1. This parameter is characterized and is not 100% tested. Max 5 Units pF Conditions VOUT = 0V VIN = 0V

Applicable over recommended operating range from: TAI to +85°C, VCC to +5.5V, TAC to +70°C, VCC to +5.5V (unless otherwise noted).

This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

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