FST16861MTDX [ONSEMI]

20位总线开关;


型号：	FST16861MTDX
厂家：	ONSEMI
描述：	20位总线开关开关驱动光电二极管逻辑集成电路
文件：	总6页 (文件大小：273K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

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Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers

will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor

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(_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain

device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated

device numbers. The most current and up-to-date ordering information can be found at www.onsemi.com. Please

email any questions regarding the system integration to Fairchild_questions@onsemi.com.

ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number

of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right

to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability

arising out of the application or use of any product or circuit, and speciﬁcally disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON

Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON

Semiconductor data sheets and/or speciﬁcations can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s

technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA

Class 3 medical devices or medical devices with a same or similar classiﬁcation in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended

or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its ofﬁcers, employees, subsidiaries, afﬁliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out

of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor

is an Equal Opportunity/Afﬁrmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

March 2000

Revised June 2005

FST16861

20-Bit Bus Switch

General Description

Features

■ 4 switch connection between two ports

■ Minimal propagation delay through the switch

■ Low l_CC

The Fairchild Switch FST16861 provides 20-bits of high-

speed CMOS TTL-compatible bus switching. The low On

Resistance of the switch allows inputs to be connected to

outputs without adding propagation delay or generating

additional ground bounce noise.

■ Zero bounce in flow-through mode

■ Control inputs compatible with TTL level

The device is organized as a 10-bit or 20-bit bus switch.

When OE₁is LOW, the switch is ON and Port 1A is con-

nected to Port 1B. When OE₂is LOW, Port 2A is connected

to Port 2B. When OE_Xis HIGH, a high impedance state

exists between the A and B Ports.

Ordering Code:

Order Number Package Number

Package Description

FST16861MTD

MTD48

48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Diagram

Connection Diagram

Truth Table

Inputs

Inputs/Outputs

Pin Descriptions

OE₁

OE₂

1A, 1B

2A, 2B

Pin Name

Description

1A 1B

2A 2B

1A 1B

2A 2B

OE₁, OE₂

1A, 2A

Bus Switch Enables

Bus A

1B, 2B

Bus B

DS500318

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Absolute Maximum Ratings(Note 1)

Recommended Operating

Conditions ^{(Note 4)}

Supply Voltage (V_CC

)

0.5V to 7.0V

50 mA

DC Switch Voltage (V_S) (Note 2)

DC Input Voltage (V_IN) (Note 3)

DC Input Diode Current (l_IK) V_IN0V

DC Output (I_OUT) Current

Power Supply Operating (V_CC)

4.0V to 5.5V

0V to 5.5V

Input Voltage (V_IN

)

Output Voltage (V_OUT

)

128 mA

Input Rise and Fall Time (t_r, t_f)

Switch Control Input

DC V_CC/GND Current (I_CC/I_GND

)

100 mA

0 ns/V to 5 ns/V

0 ns/V to DC

Storage Temperature Range (T_STG

)

65 C to 150 C

Switch I/O

Free Air Operating Temperature (T_A)

-40 C to 85 C

Note 1: The “Absolute Maximum Ratings” are those values beyond which

the safety of the device cannot be guaranteed. The device should not be

operated at these limits. The parametric values defined in the Electrical

Characteristics tables are not guaranteed at the absolute maximum rating.

The “Recommended Operating Conditions” table will define the conditions

for actual device operation.

Note 2: V is the voltage observed/applied at either the A or B Ports across

the switch.

Note 3: The input and output negative voltage ratings may be exceeded if

the input and output diode current ratings are observed.

Note 4: Unused control inputs must be held HIGH or LOW. They may not

float.

DC Electrical Characteristics

40 C to 85

(V)

Symbol

Parameter

Units

Conditions

Min

Typ

(Note 5)

Max

Clamp Diode Voltage

4.5

4.0–5.5

5.5

1.2

18 mA

HIGH Level Input Voltage

LOW Level Input Voltage

Input Leakage Current

2.0

0.8

1.0

5.5V

A, B

0V, I

OFF-STATE Leakage Current

Switch On Resistance

(Note 6)

5.5

4.5

64 mA

30 mA

4.5

0V, I

4.5

2.4V, I

15 mA

4.0

Quiescent Supply Current

5.5

or GND, I

OUT

Increase in I per Input

5.5

2.5

One Input at 3.4V

Other Inputs at V or GND

Note 5: Typical values are at V

5.0V and T

25 C

Note 6: Measured by the voltage drop between A and B pins at the indicated current through the switch. On Resistance is determined by the lower of the

voltages on the two (A or B) pins.

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AC Electrical Characteristics

40 C to 85 C,

50pF, RU RD 500

Figure

Number

Symbol

Parameter

Units

Conditions

4.5 – 5.5V

4.0V

Max

Min

Max

Min

, t

Propagation Delay Bus-to-Bus

(Note 7)

0.25

OPEN

7V for t

Figures

1, 2

PHL PLH

, t

Output Enable Time

1.0

5.0

6.0

5.3

Figures

1, 2

PZH PZL

PZL

OPEN for t

PZH

PHZ

, t

Output Disable Time

6.3

7V for t

Figures

1, 2

PHZ PLZ

PLZ

OPEN for t

Note 7: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the typical On

Resistance of the switch and the 50pF load capacitance, when driven by an ideal voltage source (zero output impedance).

Capacitance (Note 8)

Symbol

Parameter

Typ

Max

Units

Conditions

5.0V, V 0V

, OE 5.0V, V 0V

Control Pin Input Capacitance

Input/Output Capacitance “OFF State”

I/O

Note 8: T

25 C, f 1 Mhz, Capacitance is characterized but not tested.

AC Loading and Waveforms

Note: Input driven by 50 source terminated in 50

Note: C includes load and stray capacitance

Note: Input PRR 1.0 MHz, t

500 ns

FIGURE 1. AC Test Circuit

FIGURE 2. AC Waveforms

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Physical Dimensions inches (millimeters) unless otherwise noted

48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Package Number MTD48

Technology Description

The Fairchild Switch family derives from and embodies Fairchild’s proven switch technology used for several years in its

74LVX3L384(FST3384) bus switch product.

Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and

Fairchild reserves the right at any time without notice to change said circuitry and specifications.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT

DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD

SEMICONDUCTOR CORPORATION. As used herein:

1. Life support devices or systems are devices or systems

which, (a) are intended for surgical implant into the

body, or (b) support or sustain life, and (c) whose failure

to perform when properly used in accordance with

instructions for use provided in the labeling, can be rea-

sonably expected to result in a significant injury to the

user.

2. A critical component in any component of a life support

device or system whose failure to perform can be rea-

sonably expected to cause the failure of the life support

device or system, or to affect its safety or effectiveness.

www.fairchildsemi.com

ON Semiconductor and

are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.

ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent

coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.

ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability

arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.

Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,

regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or

specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer

application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not

designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification

in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized

application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and

expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such

claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This

literature is subject to all applicable copyright laws and is not for resale in any manner.

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FST16861MTDX [ONSEMI]

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