Description: The Artship Technology Inc. 24LC16B (24XX16*) is a Kbit Electrically Erasable PROM. The device is organized as eight blocks of X 8- bit. serial interface. Low voltage design permits operation down to volts with standby and active currents of only 5 µA and 1 mA respectively. The 24LC16B also. 24LC16B Datasheet, 24LC16 2kx8(16k) Serial CMOS EEPROM Datasheet, buy 24LC

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So that means, not only is it limited to only one of those devices, but only one of any device, right? They definitely allow for eight devices on a bus, and they have two address bytes following the control byte in order to address the full range of the memory.

Nate, this is strange. But I could successfully verify that the chips decode the status of the address pins. datadheet

Seems as if there actually can only be one 24LC16 on a bus without additional decoding. On the other hand, on page 6 where the control byte is explained, they say that the three bits in the control byte are used to select one of the eight word blocks of the memory.

I realise that i could probably set the write protect pin of the eeprom, but i would rather just get a different chip. In the end, this solution my be even cheaper as one 24LC64 replaces four 24LC16 chips, and there is no need for some “tricky” decoding.

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24LC16B I2c memory interface — Parallax Forums

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So it would be getting all of the bytes sent to it also. I did not use the 24LC16 so far but “smaller” devices, 24llc16b the 24LC In this system, each of the SXes could act as master and slave, therefore I also had to handle bus arbitration but it worked nicely in the end.

24LC16B Serial EEPROM

Maybe, this explains the difference. Nate, I was just curious, and got the ST datasheet for their 24C Comments 9 Comments sorted by Date Added Votes. Where none of the Micochip equivalents do address decoding at all. A while ago, I have developed a system similar to this with datazheet to 5 SXes on one bus.

Their 01 and 02 devices actually have the three address bits decoded, the 04 device has two bits decoded, 24lc1b 08 device just one, and the 16 device none at all. A 24CL16 with all three address pins connected to Vss would acknowledge the control byte x, and one with A0 connected to Vcc and A1, A2 connected to Vss would acknowledge the control byte x, etc.

Let’s say I have an sx set up as a slave on that same bus, and i would like to send some info to only the sx, I could set the address to some abritrary number, but the datashedt would darasheet to any address, correct?

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Perhaps you consider using 24LC64 chips instead. Addressing of the devices is performed by sending a control datahseet via the bus. I am looking to have possible 4 sx’s set up as slaves, and 1 eeprom and one rtc all set up on the same i2c bus if thats possible. Nate Post Edited Nate: This doesn’t mean that you couldn’t use more than 1 chip, simply that you cannot use the multiple IC2 address protocall.

Quick Links Categories Recent Discussions. Hey, you can datasehet the datasheet for the 24LC16 here: Gunther, Page 11 of said datasheet states that A0, A1, and A2 are not connected in this device.

I use the 24LC64 in some of my SX applications with no problems. As the address following the control byte is only 8 bits wide, three additional bits are required to cover the full address space of bytes. John, fortunately, this is not the case.

In these datasheets they also state that the address pins are not connected.