參數(shù)資料
型號(hào): 73S8024RN-IL/F
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 27/27頁(yè)
文件大小: 0K
描述: IC SMART CARD INTERFACE 28-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 26
控制器類(lèi)型: 智能卡接口
電源電壓: 2.7 V ~ 5.5 V
電流 - 電源: 2.7mA
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC
包裝: 管件
DS_8024RN_020
73S8024RN Data Sheet
Rev. 2
9
4 Card Power Supply
The card power supply is internally provided by the LDO regulator, and controlled by the digital
ISO 7816-3 sequencer. Card voltage selection is carried out by the digital input 5V/#V.
Choice of the VCC Capacitor:
Depending on the applications, the requirements in terms of both VCC minimum voltage and transient
currents that the interface must be able to provide to the card are different. An external capacitor must be
connected between the VCC pin and to the card ground in order to guarantee stability of the LDO
regulator, and to handle the transient requirements. The type and value of this capacitor can be
optimized to meet the desired specification. Table 1 shows the recommended capacitors for each VPC
power supply configuration and applicable specification.
Table 1: Choice of VCC Pin Capacitor
Specification Requirements
System Requirements
Specification
Min VCC Voltage
Allowed During
Transient Current
Max
Transient
Current
Charge
Min VPC
Power
Supply
Required
Capacitor
Type
Capacitor Value
EMV 4.0
4.6V
30nA.s
4.75V
X5R/X7R
w/
ESR <
100m
3.3 F
ISO 7816-3
4.5V
20nA.s
4.75V
1 F
NDS
4.6V
40nA.s
4.85V
1 F
Note: Capacitor value for NDS implementation is also defined by the deactivation time requirement.
5 Over-Temperature Monitor
A built-in detector monitors die temperature. Upon an over-temperature condition, a card deactivation
sequence is initiated, and an error or fault condition is reported to the system controller.
6 On-Chip Oscillator and Card Clock
The 73S8024RN device has an on-chip oscillator that can generate the smart card clock using an
external crystal (connected between the pins XTALIN and XTALOUT) to set the oscillator frequency.
When the clock signal is available from another source, it can be connected to the pin XTALIN, and the
pin XTALOUT should be left unconnected.
The card clock frequency may be chosen between four different division rates, defined by digital inputs
CLKDIV 1 and CLKDIV 2, as per Table 2.
Table 2: Card Clock Frequency
CLKDIV1
CLKDIV2
CLK
0
XTALIN
0
1
XTALIN
1
0
XTALIN
1
XTALIN
Card power down mode (card clock STOP) is supported and is controllable through the dedicated digital
inputs CLKSTOP and CLKLEV (not supported in the 20QFN package).
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73S8024RN-ILR/F 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface ISO7816-3 & EVM4.0 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
73S8024RN-ILR/F1 功能描述:輸入/輸出控制器接口集成電路 Smart Card Interface ISO7816-3 & EVM4.0 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
73S8024RN-ILR/F2 功能描述:輸入/輸出控制器接口集成電路 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
73S8024RN-ILR/F3 功能描述:輸入/輸出控制器接口集成電路 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
73S8024RN-ILR/F4 功能描述:輸入/輸出控制器接口集成電路 RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray