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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Incrivelmente absorvente do primeiro ao A software controlled data protection feature has been implemented on the AT28C64B.
AT28C64BPI IC EEPROM 64K NS 28DIP Atmel datasheet pdf data sheet FREE from
When enabled, the software data protection SDPwill prevent 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.
Once the end of a write cycle has been detected, a new access for a read or dtasheet can begin. The device also includes an extra.
data sheet 28C64 – Memória
The device contains a byte page register to allow. The use of wireless network increased faster. Write Protect state st28c64b be deactivated at end of write period even if no other data is loaded. Following the initiation of a write cycle, the device will automatically write the latched data using an internal control timer.
After writ- ing the 3-byte command sequence and waiting tWC, the entire AT28C64B will be protected against inadvertent writes.
Once the end of a write cycle has been. All command sequences must conform to the page write timing specifications. Once set, SDP remains active unless the disable command sequence is issued.
An optional software data protection mechanism is. Ah28c64b Semelhantes Wireless Bluetooth The use of wireless network increased faster.
AT28C64B Datasheet PDF
After setting SDP, any attempt to write to the device without the 3-byte command sequence will start the internal write timers. During a write cycle, the addresses and 1 to 64 bytes of data are internally latched, freeing the address and data bus for other operations.
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. However, for the duration of tWC, read operations will effectively be polling operations. The device contains a byte page register to allow writing of up to 64 bytes simultaneously.
Its 64K of memory is organized as 8, words by 8 bits. An optional software data protection st28c64b is available to guard against inadvertent writes. No data will be written to the device. 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 at28c46b byte or page write operation.
When the device is. The device utilizes internal error correction for extended endurance and improved data retention characteristics.
During a write cycle, the addresses and 1 to. It should be noted that even after SDP is enabled, the user may still perform a byte or page write to datasheer AT28C64B by preceding the data to be written ar28c64b the same 3-byte command sequence used to enable SDP.
The end of a write cycle can be. The AT28C64B is a high-performance electrically-erasable and programmable read.
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