产品概述
描述
The ST25TB512-AT is a contactless memory, powered by an externally transmitted radio wave. It contains a 512-bit user EEPROM. The memory is organized as 128 blocks of 32 bits. The ST25TB512-AT is accessed via the 13.56 MHz carrier. Incoming data are demodulated and decoded from the received amplitude shift keying (ASK) modulation signal and outgoing data are generated by load variation using bit phase shift keying (BPSK) coding of an 847 kHz sub-carrier. The received ASK wave is 10% modulated. The data transfer rate between the ST25TB512-AT and the reader is 106 kbit/s in both reception and emission modes.
The ST25TB512-AT follows the ISO 14443 - 2 Type B recommendation for the radio frequency power and signal interface.
The ST25TB512-AT is specifically designed for short range applications that need reusable products. The ST25TB512-AT includes an anticollision mechanism that allows it to detect and select tags present at the same time within range of the reader. The anticollision is based on a probabilistic scanning method using slot markers.
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所有功能
- ISO 14443-2 Type B air interface compliant
- ISO 14443-3 Type B frame format compliant
- 13.56 MHz carrier frequency
- 847 kHz subcarrier frequency
- 106 Kbit/second data transfer
- 8 bit Chip_ID based anticollision system
- 2 count-down binary counters with automated anti-tearing protection
- 64-bit Unique Identifier
- 512-bit EEPROM with write protect feature
- Read_block and Write_block (32 bits)
- Internal tuning capacitor: 68 pF
- 1 million erase/write cycles
- 40-year data retention
- Self-timed programming cycle
- 5 ms typical programming time
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意法半导体 - ST25TB512-AT
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符号
封装
3D模型
质量与可靠性
| 料号 | Marketing Status | 包 | 等级规格 | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | 材料声明** |
|---|---|---|---|---|---|---|---|
| ST25TB512-AT6F6 | 批量生产 产品已量产 | 75UM GOLD BUMPED DICE | 工业 | N/A | 10 | 2025-01-01T00:00:00.000+01:00 | |
| ST25TB512-AT6G6 | 批量生产 产品已量产 | GOLD BUMPED DICE | 工业 | N/A | 10 | 2025-01-01T00:00:00.000+01:00 |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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样片和购买
| 料号 | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | 包 | 包装类型 | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | 免费样片 | ESample Max Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST25TB512-AT6G6 | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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| ST25TB512-AT6F6 | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
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ST25TB512-AT6G6 批量生产
ST25TB512-AT6F6 批量生产