Datasheet > 73S8024RN-IM/F1

73S8024RN-IM/F1

更新时间： 2024-02-05 18:01:12

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
27页	453K
描述
Analog Circuit, 1 Func, LEAD FREE, QFN-32

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73S8024RN-IM/F1 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	HVQCCN,	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.66
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-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	峰值回流温度（摄氏度）：	NOT SPECIFIED
座面最大高度：	0.9 mm	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：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	5 mm
Base Number Matches：	1

73S8024RN-IM/F1 数据手册

DS_8024RN_020

73S8024RN Data Sheet

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 V_CCCapacitor:

Depending on the applications, the requirements in terms of both V_CCminimum 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 V_PC

power supply configuration and applicable specification.

Table 1: Choice of V_CCPin Capacitor

Specification Requirements

System Requirements

Max

Min V_PC

Power

Supply

Required

Min V_CCVoltage

Allowed During

Transient Current

Transient

Current

Charge

Capacitor

Specification

Capacitor Value

Type

X5R/X7R

ESR <

EMV 4.0

ISO 7816-3

NDS

4.6V

4.5V

4.6V

30nA.s

20nA.s

40nA.s

4.75V

4.85V

3.3 µF

1 µF

100mΩ

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

⅛ XTALIN

¼ XTALIN

XTALIN

½ 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).

Rev. 2

1...6 7 8910 11 12...27

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与73S8024RN-IM/F1相关器件

型号	品牌	描述	获取价格	数据表
73S8024RN-IMR/F	MAXIM	Low-Cost Smart Card Interface	获取价格
73S8024RN-IMR/F2	MAXIM	Analog Circuit, 1 Func, LEAD FREE, QFN-32	获取价格
73SERIES3	ETC	MULTIMETER TYP 73 III FLUKE	获取价格
73U3	CTS	Ultra High Resistance Chip Resistors	获取价格
73U3108H	CTS	Ultra High Resistance Chip Resistors	获取价格
73U3108K	CTS	Ultra High Resistance Chip Resistors	获取价格

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