Unique ID Chip Products

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Product	Status	5K Pricing	Automotive Recommended	IDType	Density	Vcc Range	Write Protect	Page Size (Bytes)	Max. Clock Freq.	Write Cycle(ms)	Cascade	Endurance E/W Cycles	Temp. Range	Pb-Free Available	Packages
11AA02UID	In Production	$0.26	No	32-bit to 128-bit Serial Number (part of density)	2K bit (x8)	1.8 - 5.5	Quarter Array	16	100 kHz	5	No	1,000,000	-40°C to +85°C	No	8/SOIC, 3/SOT-23
24AA025UID	In Production	$0.21	No	32-bit to 128-bit Serial Number (part of density)	2K bits (x8)	1.7 - 5.5	Half Array	16	400 kHz	5	8	1,000,000	-40°C to +85°C	No	8/SOIC, 6/SOT-23, 8/PDIP
24AA02UID	In Production	$0.18	No	32-bit to 128-bit Serial Number (part of density)	2K bits (x8)	1.7 - 5.5	Half Array	8	400 kHz	5	No	1,000,000	-40°C to +85°C	No	8/SOIC, 5/SOT-23, 8/PDIP
24AA256UID	In Production	$0.71	No	EUI-48, EUI-64 and 32-bit Serial Number (part of density)	256K bits (x8)	1.7 - 5.5	Quarter Array	64	400 kHz	5	8	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/SOIC, 8/PDIP
25AA02UID	In Production	$0.32	No	32-bit to 128-bit Serial Number (part of density)	2 Kbit (x8)	1.8 - 5.5	Quarter Array	16	10 MHz	5	No	1,000,000	-40°C to +85°C	No	8/SOIC, 6/SOT-23
AT21CS01	In Production	$0.16	No	64-bit Serial Number (extra bits) and 128-bit Tracking Number (extra bits)	1K bits (x8)	1.7 - 3.6	Software Configurable	8	125 kbps	5	8	1,000,000	-40°C to +85°C	Yes	4/WLCSP, 8/UDFN, 8/SOIC, 2/XSFN, 3/SOT-23
AT21CS11	In Production	$0.16	No	64-bit Serial Number (extra bits) and 128-bit Tracking Number (extra bits)	1K bits (x8)	2.7 - 4.5	Software Configurable	8	125 kbps	5	8	1,000,000	-40°C to +85°C	Yes	8/SOIC, 2/XSFN, 3/SOT-23
AT24CS02	In Production	$0.15	No	128-bit Serial Number (extra bits)	2K bits	1.7 - 5.5	Whole Array	8	1 MHz	5	8	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/UDFN, 5/TSOT, 8/SOIC
AT24CS04	In Production	$0.17	No	128-bit Serial Number (extra bits)	4K bits	1.7 - 5.5	Whole Array	16	1 MHz	5	4	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/UDFN, 5/TSOT, 8/SOIC
AT24CS08	In Production	$0.19	No	128-bit Serial Number (extra bits)	8K bits	1.7 - 5.5	Whole Array	16	1 MHz	5	2	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/UDFN, 5/TSOT, 8/SOIC
AT24CS16	In Production	$0.22	No	128-bit Serial Number (extra bits)	16K bits	1.7 - 5.5	Whole Array	16	1 MHz	5	No	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/UDFN, 8/SOIC, 5/TSOT
AT24CS32	In Production	$0.25	No	128-bit Serial Number (extra bits)	32K bits	1.7 - 5.5	Whole Array	32	1 MHz	5	8	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/UDFN, 5/TSOT, 8/SOIC
AT24CS64	In Production	$0.31	No	128-bit Serial Number (extra bits)	64K bits	1.7 - 5.5	Whole Array	32	1 MHz	5	8	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/UDFN, 8/SOIC
AT24CSW010	In Production	$0.16	No	128-bit Serial Number (extra bits) and 128-bit Tracking Number (extra bits)	1k bits (x8)	1.7 - 3.6	Software Configurable	16	1 MHz	5	8	1,000,000	-40°C to +85°C	Yes	4/WLCSP
AT24CSW020	In Production	$0.18	No	128-bit Serial Number (extra bits) and 128-bit Tracking Number (extra bits)	2k bits (x8)	1.7 - 3.6	Software Configurable	16	1 MHz	5	8	1,000,000	-40°C to +85°C	Yes	4/WLCSP
AT24CSW040	In Production	$0.21	No	128-bit Serial Number (extra bits) and 128-bit Tracking Number (extra bits)	4k bits (x8)	1.7 - 3.6	Software Configurable	16	1 MHz	5	8	1,000,000	-40°C to +85°C	Yes	4/WLCSP
AT24CSW080	In Production	$0.24	No	128-bit Serial Number (extra bits) and 128-bit Tracking Number (extra bits)	8k bits (x8)	1.7 - 3.6	Software Configurable	16	1 MHz	5	8	1e+006	-40°C to +85°C	Yes	4/WLCSP
AT24CS01	In Production	$0.14	Yes	128-bit Serial Number (extra bits)	1K bits	1.7 - 5.5	Whole Array	8	1 MHz	5	8	1,000,000	-40°C to +85°C	Yes	8/TSSOP, 8/UDFN, 8/SOIC, 5/TSOT

5K pricing is for budgetary use only, shown in United States dollars. The prices are representative and do not reflect final pricing. Contact your local Microchip sales representative or distributor for volume and / or discount pricing.