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93LC66B The 93AA66 is a 4K-bit Low-voltage Serial Electrically Erasable Prom Memory With an Org Pin Selectable Memory Configuration of X 8-bits or. bit organization (93LC66B) x16bits (93LC66B). .. Please specify which device, revision of silicon and Data Sheet (include Literature #) you are. 93LC66B datasheet, 93LC66B circuit, 93LC66B data sheet: MICROCHIP – 4K Microwire Compatible Serial EEPROM,alldatasheet, datasheet, Datasheet.

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(PDF) 93LC66B Datasheet download

Sequential read is possible when CS is held high. Your local Microchip sales ofce. CS is brought low following the loading of the last address bit. After the last data bit is put on the DI pin, the falling edge of CS initiates the self-timed dayasheet and programming cycle.

The higher the current sourcing capability of A0, the higher the voltage at the Data Out pin. Chandler, AZ Tel: This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specication is not implied.

The Microchip logo and name are registered trademarks of Microchip Technology Inc. M Preliminary Information contained in this publication regarding device applications and the like is intended for suggestion only and may be superseded by updates.


After execution of an instruction i. If CS is brought low during a program cycle, the device will go into standby mode as soon as the programming cycle is completed.

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This falling edge of the CS pin initiates the self-timed programming cycle. The memory data will automatically cycle to the next register and output sequentially. All other trademarks mentioned herein are the property of their respective companies. However, a programming cycle which is already in progress will be completed, regardless of the Chip Select CS input signal. During power-up, all programming modes of operation are inhibited until VCC has reached a level greater than 2.

An instruction following a START condition will only be executed if the required amount of opcodes, addresses, and data bits for any particular instruction is clocked in.

Opcode, address, and data bits are clocked in on the positive edge of CLK. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise.

No licenses are conveyed, implicitly or otherwise, under any intellectual property rights.

93LC66B Datasheet PDF

As soon as CS is high, the device is no longer in the standby mode. Advanced CMOS technology makes these devices ideal for low power nonvolatile memory applications. To determine if an errata sheet exists for a particular device, please contact one of the following: These clock cycles are required to clock in all required opcode, address, and data bits before an instruction is executed Table and Table A high level selects the device; a low level deselects the device and forces it into standby mode.


Data bits are also clocked out on the positive edge of CLK. After power-up, the device is automatically in the EWDS mode. This gives the controlling master freedom in preparing opcode, address, and data.

Dataeheet application is not tested but guaranteed by characterization. Under such a condition the voltage level seen at Data Out is undened and will depend upon the relative impedances of Data Out and the signal source driving A0.

93LC66B (MICROCHIP) PDF技术资料下载 93LC66B 供应信息 IC Datasheet 数据表 (3/28 页)

During power-down, the source data protection datashheet acts to inhibit all programming modes when Vcc has fallen below 2. Exposure to maximum rating conditions for extended periods may affect device reliability. If CS is high, but a START condition has not been detected, any number of clock cycles can be received by the device without changing its status i.