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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The device utilizes internal error correction for extended endurance and improved data retention characteristics. An optional software data protection mechanism is.
The use of wireless network increased faster.
The AT28C64B is a datashert electrically-erasable and programmable read. Nowadays is common at companies, restaurants, malls, A6 through A12 must specify the same page address during each high to low transition of WE or CE after the software code has been entered.
No data will be written to the device.
Write Protect state will be deactivated at end of write period even if no other data is loaded. The device also includes an extra. The device contains a byte page register to allow. At28c64bb set, SDP remains active unless the disable command sequence is issued. During a write cycle, the addresses and 1 to.
The end of a write cycle can be.
AT28C64B Datasheet PDF
After writ- ing the 3-byte command sequence and waiting tWC, the entire AT28C64B will be protected against inadvertent writes. Following the initiation of a write cycle, the device will automatically write the latched data using an internal control timer.
It should be noted that even after SDP is enabled, the user may still perform 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. When the device is. During a write cycle, the addresses and 1 to 64 bytes of data are internally latched, datasheeet the address and data bus for other operations.
All command sequences must conform to the page write timing specifications.
AT28C64B Datasheet pdf – 64K EEPROM with Byte Page & Software Data Protection – Atmel
The data in the datasheeet 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. When enabled, the software data protection SDPwill prevent inadvertent writes. Once the end of a write cycle has been. Its 64K of memory is organized as 8, words by 8 bits. The device contains a byte page register to wt28c64b writing of up to 64 bytes simultaneously.
Incrivelmente absorvente do primeiro ao Arquivos Semelhantes Wireless Bluetooth The use of wireless network increased faster. A software controlled data protection feature has been implemented on the AT28C64B.
However, for the duration of tWC, read operations will effectively be polling operations. An optional software data protection mechanism is available to guard against inadvertent writes.
The device utilizes internal error correction for extended endurance and improved. Following the initiation of a write cycle, the device will automatically write.
After setting SDP, any attempt to write to the device without the 3-byte command sequence will start the internal write timers. Once the end of a write cycle has been detected, a new access for a read datasheef write can begin.
Atmel Electronic Components Datasheet.