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AT29C512
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MFG:ATMEL Package Cooled:PLCC28

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Part Number: AT29C512

MFG: ATMEL

Package Cooled: PLCC28

Description: The AT29C512 is a 5-volt only in-system Flash programmable and erasable read only memory (PEROM). Its 512K of memory is...

AT29C512 General Description

The AT29C512 is a 5-volt only in-system Flash programmable and erasable read only memory (PEROM). Its 512K of memory is organized as 65,536 words by 8 bits. Man-ufactured with Atmel's advanced nonvolatile CMOS technology, the device offers access times to 70 ns with power dissipation of just 275 mW over the commercial tem-perature range. When the device is deselected, the CMOS standby current is less than 100 µA. The device endurance is such that any sector can typically be written toin excess of 10,000 times.

To allow for simple in-system reprogrammability, the AT29C512 does not require high input voltages for programming. Five-volt-only commands determine the operation of the device. Reading data out of the device is similar to reading from an EPROM. Reprogramming the AT29C512 is performed on a sector basis; 128 bytes of data are loaded into the device and then simultaneously programmed.

During a reprogram cycle, the address locations and 128 bytes of data are internally latched, freeing the address and data bus for other operations. Following the initiation of a program cycle, the device will automatically erase the sector and then program the latched data using an internal control timer. The end of a program cycle can be detected by D A T A polling of I/O7. Once the end of a program cycle has been detected, a new access for a read or program can begin.

AT29C512 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 OE
with Respect to Ground .......................................-0.6V to +13.5V

AT29C512 Features

• Fast Read Access Time 70 ns
• 5-volt Only Reprogramming
• Sector Program Operation
     Single Cycle Reprogram (Erase and Program)
     512 Sectors (128 Bytes/Sector)
     Internal Address and Data Latches for 128 Bytes
• Internal Program Control and Timer
• Hardware and Software Data Protection
• Fast Sector Program Cycle Time 10 ms
• DATA Polling for End of Program Detection
• Low Power Dissipation
      50 mA Active Current
     100 µA CMOS Standby Current
• Typical Endurance > 10,000 Cycles
• Single 5V ± 10% Supply
• CMOS and TTL Compatible Inputs and Outputs
• Commercial and Industrial Temperature Ranges
• Green (Pb/Halide-free) Packaging Option

AT29C512 Connection Diagram

AT29C512 datasheet

AT29C512
PDF/DataSheet Download

Datasheet: AT29C512
File Size: 291355 KB
Manufacturer: ATMEL [ATMEL Corporation]
Click here to Download

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