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AT29LV010A-25TI 其他数据使用手册 - ATMEL（爱特美尔）
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AT29LV010A-25TI数据手册
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Features
• Single Supply Voltage, Range 3V to 3.6V
• 3-volt Only Read and Write Operation
• Software Protected Programming
• Fast Read Access Time - 120 ns
• Low Power Dissipation
– 15 mA Active Current
– 40 µA CMOS Standby Current
• Sector Program Operation
– Single Cycle Reprogram (Erase and Program)
– 1024 Sectors (128 Bytes/Sector)
– Internal Address and Data Latches for 128 Bytes
• Two 8K Bytes Boot Blocks with Lockout
• Fast Sector Program Cycle Time – 20 ms
• Internal Program Control and Timer
• DATA Polling for End of Program Detection
• Typical Endurance > 10,000 Cycles
• CMOS and TTL Compatible Inputs and Outputs
• Commercial and Industrial Temperature Ranges
1. Description
The AT29LV010A is a 3-volt only in-system Flash programmable and erasable read
only memory (Flash). Its 1 megabit of memory is organized as 131,072 bytes by 8 bits.
Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers
access times to 120 ns with power dissipation of just 54 mW over the commercial tem-
perature range. When the device is deselected, the CMOS standby current is less
than 40 µA. The 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 AT29LV010A does not require
high input voltages for programming. Three-volt-only commands determine the opera-
tion of the device. Reading data out of the device is similar to reading from an
EPROM. Reprogramming the AT29LV010A 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 captured at
microprocessor speed and internally latched, freeing the address and data bus for
other operations. Following the initiation of a program cycle, the device will automati-
cally 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.
1-megabit
(128K x 8)
3-volt Only
Flash Memory
AT29LV010A
0520E–FLASH–2/05
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