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73S8009CN-32IM/F1 PDF预览

73S8009CN-32IM/F1

更新时间： 2024-11-15 14:49:51
品牌 Logo 应用领域
美信 - MAXIM PC
页数 文件大小 规格书
30页 349K
描述
Analog Circuit, 1 Func, 5 X 5 MM, ROHS COMPLIANT, QFN-32

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73S8009CN-32IM/F1 技术参数

生命周期：Obsolete包装说明：HVQCCN,
Reach Compliance Code：unknownHTS代码：8542.39.00.01
风险等级：5.56Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：599346
Samacsys Pin Count：33Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：QFN50P500X500X90-33N
Samacsys Released Date：2017-01-11 21:24:41Is Samacsys：N
模拟集成电路 - 其他类型：ANALOG CIRCUITJESD-30 代码：S-XQCC-N32
长度：5 mm功能数量：1
端子数量：32最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE座面最大高度：0.9 mm
最大供电电压 (Vsup)：6.5 V最小供电电压 (Vsup)：2.7 V
标称供电电压 (Vsup)：3.3 V表面贴装：YES
温度等级：INDUSTRIAL端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
宽度：5 mmBase Number Matches：1

73S8009CN-32IM/F1 数据手册

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73S8009CN  
Combo ISO-7816 and USB Universal  
Smart Card Interface IC  
Simplifying System Integration™  
DATA SHEET  
August 2009  
DS_8009C_026  
FEATURES  
•
Smart Card Interface:  
DESCRIPTION  
.
Smart card voltage VCC:  
The Teridian 73S8009CN is the world’s first  
single-chip smart card electrical interface circuit that  
supports all types of smart cards: 5V, 3V and 1.8V,  
including traditional ISO-7816-3 asynchronous and  
synchronous type 1 and type 2, as well as USB,  
ISO-7816-12 cards.  
o
o
o
Selectable: 1.8V, 3V or 5V  
Generated by an internal voltage regulator  
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  
V
CC (card supply)  
The 73S8009CN is ideally suited for applications  
such as desktop computers, laptops and general  
purpose smart card readers that require low power  
operation from a single 2.7V to 6.5V power supply  
voltage source. A power down mode (“OFF” mode)  
is available and exhibits a 10nA typical current  
consumption.  
.
.
.
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  
The circuit provides control, conversion and regulation  
of power for the smart card. In addition, the circuit  
provides a 3.3V-regulated voltage that is used as an  
internal digital supply voltage to the host interface. It is  
also made available to supply power to some external  
circuitry (a host controller for instance).  
•
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  
For asynchronous and synchronous smart card  
operation, the signals for RST, CLK, I/O and auxiliary  
signals AUX1 and AUX2 are directly controlled from  
the host processor and are level-shifted by the circuit  
to the selected VCC value. For more design flexibility,  
the host processor is responsible for handling the  
signal timing for smart card activation and de-  
activation under normal conditions.  
.
.
.
The power management circuitry allows operation  
from a single power supply source VPC (2.7V to 6.5V).  
VPC is converted using an inductive, step-up power  
converter to the intermediate voltage, VP. VP is used  
by linear voltage regulators and switches internal to  
the IC to create the voltages VDD and as required,  
VCC. VDD is used by the 73S8009CN and is also  
made available for the companion host processor  
circuit or for other external circuits.  
.
.
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)  
The 73S8009CN features an ON/OFF pin suitable to  
connect to a “push-on/push-off” main system switch.  
When the 73S8009CN is “OFF,” the typical current  
drawn from VPC is 10nA. For applications that do  
not implement any ON/OFF system switch, the  
ON/OFF input pin can be driven from a digital output  
of the host processor.  
•
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  
•
•
•
Rev. 1.4  
© 2009 Teridian Semiconductor Corporation  
1
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