品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 73S8009CNFEATURES
• Smart Card Interface: Smart card voltage VCC: o Selectable: 1.8V, 3V or 5V o Generated by an internal voltage regulator o Provides up to 65mA to 3V and 5V cards and up to 40mA to 1.8V cards ISO-7816-3 card emergency deactivation Voltage supervisor detects voltage drop on VCC (card supply) True card over-current detection 150mA max. 1 input for a card presence detection switch Auxiliary I/O lines for synchronous and ISO-7816-12 USB card support Proper isolation of smart card signals depending on smart card type Card CLK clock frequency up to 20MHz 6kV ESD and short circuit protection on the card interface • System Controller Interface: Digital logic level: 3.3V 5 signal images of the card signals (RSTIN, CLKIN, I/OUC, AUX1UC and AUX2UC) 1 control signal to switch between synchronous / asynchronous and ISO-7816-12 USB smart card modes 2 inputs activate and select the card voltage (CMDVCC% and CMDVCC#) 2 outputs, interrupt to the system controller (OFF and RDY), to inform the system controller of the card presence / faults and status of the interface 1 Chip Select input 2 handshaking signals (OFF_REQ, OFF_ACK) for proper shutdown sequencing of all smart card signals • ON/OFF Input for a Main System Switch • DC-DC Step-up Converter: Generates an intermediary voltage VP Requires a single 10μH Inductor (rated for 400mA maximum peak current) • VDD power supply output available to power up external circuitry: 3.3V ±0.3V, 40mA • Industrial temperature range (-40 °C to +85 °C) • Small format QFN32 package: 5x5mm • RoHS compliant (6/6) lead-free package |
