AT28C64B datasheet, AT28C64B pdf, AT28C64B data sheet, datasheet, data sheet, pdf, Atmel, 64K EEPROM with Byte Page & Software Data Protection. Read. The AT28C64B is accessed like a Static RAM. When CE and OE are low and WE is high, the data stored at the memory location determined by the. AT28C64B 64k (8kx8) Parallel EePROM With Page Write And Software Data Protection Features. Fast Read Access Time ns Automatic Page Write.
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When at28c64bb device is. Once the end of a write cycle has been detected, a new access for a read or write can begin. Arquivos Semelhantes Wireless Bluetooth The use of wireless network increased faster. Incrivelmente absorvente do primeiro ao An optional software data protection mechanism is available to guard against inadvertent writes.
datasehet Following the initiation of a write cycle, the device will automatically write. No data will be written to the device. The use of wireless network increased faster.
Once the end of a write cycle has been. Its 64K of memory is organized as 8, words by 8 bits.
Atmel Electronic Components Datasheet. All command sequences must conform to the page write timing specifications.
data sheet 28C64
A6 through A12 must specify the same page address during each datasneet to low transition of WE or CE after the software code has been entered. However, for the duration of tWC, read operations will effectively be polling operations.
A software controlled data protection feature has been implemented on the AT28C64B. After writ- ing the 3-byte command sequence and waiting tWC, the entire AT28C64B will be protected against inadvertent writes.
AT28C64BPI IC EEPROM 64K NS 28DIP Atmel datasheet pdf data sheet FREE from
After setting SDP, any attempt to write to the device without the 3-byte command sequence will start the internal write timers. The data in the enable and disable command sequences is not actually written into the device; their addresses may still be written with user data in either a byte or page write operation.
Nowadays is common at companies, restaurants, malls, During a write cycle, the addresses and 1 to 64 bytes of data are internally latched, freeing the address and data bus datwsheet other operations.
The device also includes an extra. Write Protect state will be deactivated at end of write period even if no other data is loaded. The device contains a byte page register to allow writing of up to 64 bytes simultaneously.
Following the initiation dattasheet a write cycle, the device will automatically write the latched data using an internal control timer. The AT28C64B is a high-performance electrically-erasable and programmable read.
The device utilizes internal error correction for extended endurance and improved data retention characteristics. The device utilizes internal error correction for extended endurance and improved. Once set, SDP remains active unless the disable command sequence is issued. It should be noted that even after SDP is enabled, the user may still eatasheet a byte or page write to the AT28C64B by preceding the data to be written by the same 3-byte command sequence used to enable SDP.
An optional software data protection mechanism is. The device contains a byte page register to allow. During a write cycle, the addresses and 1 to. When enabled, the software data protection SDPwill prevent inadvertent writes. The end of a write cycle can be.