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集成电路芯片ichaiyang 2024-05-09 17:57 27
TM (Touch Memory card is a patented product of DALLAS company (now not unique to Dallas, domestic brands such as LIY are rising , it uses single-line protocol communication, throu...

What does tm chip mean?

TM (Touch Memory) card is a patented product of DALLAS company (now not unique to Dallas, domestic brands such as LIY are rising), it uses single-line protocol communication, through the instant touch to complete data reading and writing, both with the ease of contactless IC card, but also with the cheapness of contact IC card. It is one of the most cost-effective IC cards at present.

essential information

Storage Capacity 8Kbits RAM

TM card parameters

characteristic

TM card integrated circuit chip is sealed in stainless steel shell, waterproof, shock-proof, anti-corrosion, durable, no wiring; The TM card is a passive device that reads information by the power supply of the read and write device.

It is fully compatible with DS19961S-F5. Built-in laser engraved 64-bit binary code, the total number of codes can reach. 280 trillion; TM card chip has electrostatic protection function and uniqueness can not be copied;

TM card can be used in the range of -40℃ ~ 85℃.

technical specifications

DALLAS Encrypted card

Mean fault

Normally used 1\/100,000 times

Manufacturer serial number

The only 64-bit number in the world

system logic

64-bit password protection

SC

8Kbits RAM

Card reading mode

Touch type

Read-write feature

It can be read, written and encrypted

Read and write count

More than 1.5 billion times

technical index

Operating temperature -40 ℃ ~ 85 ℃

Read times >   350,000 times

Service life >   20 years

The outer dimension of the TM card is φ16.25mm×5.89mm

Product weight 2.5g