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73S8014BN-ILR/F PDF预览

73S8014BN-ILR/F

更新时间: 2024-02-18 01:54:24
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
29页 542K
描述
Smart Card Interface

73S8014BN-ILR/F 技术参数

生命周期:Transferred包装说明:ROHS COMPLIANT, SOP-20
Reach Compliance Code:unknown风险等级:5.59
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G20
长度:12.76 mm功能数量:1
端子数量:20最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.7 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:7.51 mm
Base Number Matches:1

73S8014BN-ILR/F 数据手册

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19-5669; Rev 2; 12/11  
73S8014BN  
Smart Card Interface  
DS_8014BN_057  
DESCRIPTION  
APPLICATIONS  
Set-Top Box Conditional Access and Pay-per-View  
General-Purpose Smart Card Readers  
The 73S8014BN is a single smart card (ICC) interface circuit  
designed to provide full electrical compliance with ISO 7816-3,  
EMV® 4.2, and NDS specifications. It is derived from the  
73S8024RN industry-standard electrical interface, but adds  
support for 1.8V smart card applications. The 73S8014BN has  
been optimized to match set-top box/A/V conditional access  
applications. The optimization adds functionality while creating  
a device with a smaller pin count. For NDS applications  
requiring an on-chip adjustable POR, see the Maxim  
73S8024RN series of interface ICs.  
ADVANTAGES  
NDS Compliant  
Same Advantages as the Maxim 73S80xxR Family:  
.
.
.
.
Card VCC Generated by an LDO Regulator  
Very Low Power Dissipation (Saves Up to 1/2W)  
Fewer External Components Are Required  
Better Noise Performance  
The 73S8014BN interfaces with the host processor through the  
same bus (digital I/Os) as the 73S8024RN and most other  
8024 type devices. As a result, the 73S8014BN is a very  
attractive cost-reduction path from traditional 8024 ICs.  
True Card Overcurrent Detection  
Firmware Compatibility with 8024 ICs  
Small-Format 20-Pin SO Package Capable of Fully  
Supporting NDS Applications  
Interfacing with the system controller is done through a control  
bus, composed of digital inputs to control the 73S8014BN, and  
one interrupt output to inform the system controller of the card  
presence, device readiness and faults.  
Power-Down Mode  
FEATURES  
The card clock can be generated by an on-chip oscillator using  
an external crystal or by connection to an externally supplied  
clock signal. In addition, the clock divider provides divisor  
values of divide by 1, 2, 4, and 8 that are controlled through a  
single pin.  
Card Interface  
.
.
Complies with ISO 7816-3, EMV 4.2, and NDS  
Supports 3V/5V Cards Up to 65mA and 1.8V Cards Up  
to 40mA  
.
.
ISO 7816-3 Activation/Deactivation Sequencer  
The  
73S8014BN  
incorporates  
an  
ISO  
7816-3  
activation/deactivation sequencer that controls the card  
signals. Level-shifters drive the card signals with the selected  
card voltage (1.8V, 3V, or 5V), coming from an internal low  
dropout (LDO) voltage regulator. This LDO regulator is  
powered by a dedicated power-supply input, VPC. Digital  
Automated Deactivation Upon Hardware Fault (i.e.,  
Upon Drop on VDD Power Supply or Card Overcurrent)  
Overcurrent Detection 145mA max  
.
.
Card CLK Clock Frequency Up to 20MHz  
System Controller Interface  
circuitry is powered separately by a digital power supply, VDD  
.
With its embedded LDO regulator, the 73S8014BN is a cost-  
effective solution for any application where a 5V (typically -5%  
+10%) power supply is available.  
.
Three Digital Inputs Control the Card  
Activation/Deactivation, Card Reset, Power-Down, and  
Card Voltage  
.
.
One Digital Input Controls the Card Clock Frequency  
Emergency card deactivation is initiated upon card extraction  
or upon any fault detected by the protection circuitry. The fault  
can be a card overcurrent, VCC undervoltage, or power-supply  
fault (VDD). The card overcurrent circuitry is a true current-  
detection function, as opposed to VCC voltage drop detection,  
as usually implemented in non-Maxim 8024 interface ICs.  
One Digital Output, Interrupt to the System Controller,  
Reports to the Host the Card Presence, Device  
Readiness, and Faults  
.
Crystal Oscillator or Host Clock, Up to 27MHz  
Regulator Power Supply  
The 73S8014BN contains a power-down mode with typical  
power consumption of 1µA on each of the VDD and VPC  
supplies. The power-down mode is controlled through existing  
control pins without the need for a dedicated control pin.  
.
.
4.75V to 5.5V (EMV 4.2)  
4.85V to 5.5V (NDS)  
Digital Interfacing: 2.7V to 3.6V  
±6kV ESD Protection on the Card Interface  
20-Pin SO Package  
RoHS-Compliant (6/6)/Lead(Pb)-Free Package  
EMV is a registered trademark of EMVCo LLC.  
Rev. 2  
1

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