Datasheet > 信号电路 > 其他模拟IC> 73S8024RN-IMR/F

73S8024RN-IMR/F

更新时间： 2024-01-15 09:56:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
27页	459K
描述
Low-Cost Smart Card Interface

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73S8024RN-IMR/F 技术参数

是否无铅：	含铅	是否Rohs认证：	符合
生命周期：	Obsolete	包装说明：	QFN-32
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.57
模拟集成电路 - 其他类型：	ANALOG CIRCUIT	JESD-30 代码：	S-XQCC-N32
长度：	4 mm	湿度敏感等级：	1
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：	0.85 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：	4 mm	Base Number Matches：	1

73S8024RN-IMR/F 数据手册

73S8024RN Data Sheet

DS_8024RN_020

MICROCONTROLLER INTERFACE

Name

Description

28SO

20QFN 32QFN

Command VCC (negative assertion): Logic low on this pin

causes the LDO regulator to ramp the V_CCsupply to the

card and initiates a card activation sequence, if a card is

present.

CMDVCC

5 volt / 3 volt card selection: Logic one selects 5 volts for

V_CCand card interface, logic low selects 3 volt operation.

When the part is to be used with a single card voltage,

this pin should be tied to either GND or V_DD. However, it

includes a high impedance pull-up resistor to default this

pin high (selection of 5V card) when not connected.

5V/#V

CLKSTOP

CLKLVL

–

Stops the card clock signal during a card session when

set high (card clock STOP mode). Internal pull-down

resistor allows this pin to be left as an open circuit if the

clock STOP mode is not used.

Sets the logic level of the card clock STOP mode when

the clock is de-activated by setting pin 7 high. Logic low

selects card STOP low. Logic high selects card STOP

high. Internal pull-down resistor allows this pin to be left

as an open circuit if the clock STOP mode is not used.

CLKDIV1

CLKDIV2

Sets the divide ratio from the XTAL oscillator (or external

clock input) to the card clock. These pins include

pull-down resistors.

CLKDIV1

CLKDIV2

CLOCK RATE

XTALIN/8

XTALIN/4

XTALIN/2

XTALIN

Interrupt signal to the processor. Active Low - Multi-

function indicating fault conditions and card presence.

Open drain output configuration. It includes an internal

21kΩ pull-up to V_DD.

OFF

RSTIN

I/OUC

Reset Input: This signal is the reset command to the card.

System controller data I/O to/from the card. Includes a

pull-up resistor to V_DD.

AUX1UC

AUX2UC

–

System controller auxiliary data I/O to/from the card.

Includes a pull-up resistor to V_DD.

System controller auxiliary data I/O to/from the card.

Includes a pull-up resistor to V_DD.

Rev. 2

1...3 4 567 8 9...27

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