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參數(shù)資料
| 型號： | TK5552A-PP |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡 |
| 英文描述： | Read/Write Transponder |
| 中文描述： | SPECIALTY TELECOM CIRCUIT |
| 封裝： | PLASTIC CUBE PACKAGE |
| 文件頁數(shù)： | 10/22頁 |
| 文件大?。?/td> | 326K |
| 代理商： | TK5552A-PP |
10
TK5552
4698A–RFID–04/03
Transponder IC Read/Write Identification IC with 1k-bit Memory
Features
Low Power, Low Voltage Operation
ESD Protection: > 8 kV (HBM)
Optimized for Flip Chip Die Attach Processes
Contactless Power Supply
Contactless Read/Write Data Transmission
Radio Frequency (RF): 100 kHz to 150 kHz
1056 Bits of EEPROM Memory
992 Bits (31 32 Bits) of User Memory
Defined Start of Data Transmission
Auto-verify after EEPROM Programming
Block Write Protection for Each Block
Configurable Options Include:
– Modulation Type: PSK/Manchester
– Bit Rate [Bit/s]: RF/16 / RF/32
– Number of Readable Blocks
– Modulation Defeat
– POR Start-up Delay: 1 ms / 65 ms
Functional Description
The transponder IC is a two-terminal, contactless R/W-IDentification IC (IDIC) for tag
applications in the 125 kHz (±25 kHz) range. The IC uses the external RF signal to gen-
erate its own power supply and internal clock reference.
The IC contains a total of 1056 bits of EEPROM memory grouped into 32 individually
addressable data blocks. Each block is made up of 32 bits of data plus an associated
lock bit for block write protection. Blocks 1 to 31 are provided for user related data and
block 0 for system configuration.
Data is transmitted from the IC (uplink) using reflective load (back scatter) modulation.
This is achieved by damping the external RF field by switching a resistive load between
the two terminals Clock-A/Clock-B. The IC receives and decodes amplitude modulated-
data from the base station.
As soon as the tag including the transponder IC is exposed to an RF field (providing that
the field is strong enough to derive enough energy to operate), the tag will respond by
continuously transmitting stored data (uplink mode). The base station can, at any time,
switch the tag to downlink mode to write new user or configuration data. Generally, the
tag will automatically return to the default uplink mode when the downlink transfer is
completed, interrupted or an error condition occurs.
Figure 13.
Transponder System Example Using Transponder IC
Memory
Transponder
Base station
Data
Power
C
C
Data
uplink
downlink
Transponder IC
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