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> 24165 / X24165 / xicor eeprom 16K 2048X8 bit soic
24165 / X24165 / xicor eeprom 16K 2048X8 bit soic
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2 PROM with Block LockTM Protection
—Active Read Current Less Than 1mA
—Active Write Current Less Than 3mA
New Programmable Block Lock Protection
—Programmable Hardware Write Protect
Block Lock (0, 1/4, 1/2, or all of the E2 PROM array)
—Minimizes Total Write Time Per Byte
—Typical Write Cycle Time of 5ms
The X24165 is a CMOS 16,384 bit serial E
2 PROM, internally organized 2048 x 8. The X24165 features a serial interface and software protocol allowing operation on a simple two wire bus.
0, S1, S2) allow up to eight devices to share a common two wire bus.
A Write Protect Register at the highest address location, 7FFh, provides three new write protection features: Software Write Protect, Block Write Protect, and Hardware Write Protect. The Software Write Protect feature prevents any nonvolatile writes to the X24165 until the WEL bit in the write protect register is set. The Block Write Protection feature allows the user to individually write protect four blocks of the array byprogramming two bits in the write protect register. The Programmable Hardware Write Protect feature allows the user to install the X24165 with WP tied to V
CC, program the entire memory array in place, and then enable the hardware write protection by programmingma WPEN bit in the write protect register. After this, selected blocks of the array, including the write protect register itself, are permanently write protected.
2 PROMs are designed and tested for applications requiring extended endurance. Inherent data retention is greater than 100 years.
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