90NS, PLCC, IND TEMP, GREEN(FLASH),Flash 256K x 8 90 ns 4.5V-5.5V
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AT29C020-90JU Product Details
• Fast Read Access Time – 70 ns
• 5-volt Only Reprogramming
• Sector Program Operation
– Single Cycle Reprogram (Erase and Program)
– 1024 Sectors (256 Bytes/Sector)
– Internal Address and Data Latches for 256 Bytes
• Internal Program Control and Timer
• Hardware and Software Data Protection
• Two 8K Bytes Boot Blocks with Lockout
• Fast Sector Program Cycle Time – 10 ms
• DATA Polling for End of Program Detection
• Low Power Dissipation
– 40 mA Active Current
– 300 µA CMOS Standby Current
• Typical Endurance > 10,000 Cycles
• Single 5V ±10% Supply
• CMOS and TTL Compatible Inputs and Outputs
• Green (Pb/Halide-free) Packaging Option
The AT29C020 is a 5-volt-only in-system Flash programmable and erasable read-only memory (PEROM). Its 2 megabits of memory is organized as 262,144 bytes. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 70 ns with power dissipation of just 220 mW over the industrial temperature range. When the device is deselected, the CMOS standby current is less than 300 µA. Device endurance is such that any sector can typically be written to in excess of 10,000 times.
To allow for simple in-system reprogrammability, the AT29C020 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 AT29C020 is performed on a sector basis; 256 bytes of data are loaded into the device and then simultaneously programmed.
During a reprogram cycle, the address locations and 256 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 DATA polling of I/O7. Once the end of a program cycle has been detected, a new access for a read or program can begin.
- Data Bus Width
- 8 bit
- Memory Type
- NOR Flash
- Memory Size
- 512 K
- Interface Type
- Access Time
- 70 ns
- Supply Voltage Max
- 5.5 V
- Supply Voltage Min
- 4.5 V
- Maximum Operating Current
- 40 mA
- Operating Temperature
- + 85 C
- Mounting Style
- Package / Case
- Factory Pack Quantity
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1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
- Q: How does Jotrin guarantee that AT29C020-90JU is the original manufacturer or agent of MICROCHIP?
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- Q: What is the process for returns or replacement of AT29C020-90JU?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the AT29C02090JU we delivered, we will accept the replacement or return of the AT29C020-90JU only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of AT29C020-90JU.
(3)The AT29C020-90JU is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
- Q: How to contact us and get support, such as AT29C020-90JU datasheet pdf, AT29C020 pin diagram?
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