74FST3126QS datasheet(1/8 Pages) ONSEMI

部件名	74FST3126QS

功能描述	4-Bit Bus Switch

PDF	8 Pages

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制造商	ONSEMI [ON Semiconductor]

网页	http://www.onsemi.com

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1 / 8 page

August, 2001 – Rev. 0

1

Publication Order Number:

74FST3126/D

74FST3126

4-Bit Bus Switch

The ON Semiconductor 74FST3126 is a quad, high performance

switch. The device is CMOS TTL compatible when operating between

4 and 5.5 Volts. The device exhibits extremely low RON and adds

nearly zero propagation delay. The device adds no noise or ground

bounce to the system.

The device consists of four independent 1–bit switches with

separate Output/Enable (OE) pins. Port A is connected to Port B when

OE is high. If OE is low, the switch is high Z.

• R

ON

t 4 W Typical

• Less Than 0.25 ns–Max Delay Through Switch

• Nearly Zero Standby Current

• No Circuit Bounce

• Control Inputs are TTL/CMOS Compatible

• Pin–For–Pin Compatible With QS3126, FST3126, CBT3126

• All Popular Packages: QSOP–16, TSSOP–14, SOIC–14

OE1

OE2

GND

2B

2A

1B

1A

VCC

4B

3B

3A

OE3

4A

OE4

NC

1B

2B

2A

OE2

1A

OE1

VCC

4B

3B

3A

OE3

4A

OE4

GND

NC

1

2

3

4

5

6

7

14

13

12

11

10

9

8

1

2

3

4

5

6

7

16

15

14

13

12

11

10

89

Figure 1. Pin Assignment for

SOIC and TSSOP

Figure 2. Pin Assignment

for QSOP

Description

PIN NAMES

OE1, OE2, OE3, OE4

1A, 2A, 3A, 4A

http://onsemi.com

Device

Package

Shipping

ORDERING INFORMATION

74FST3126D

SO–14

55 Units/Rail

74FST3126DR2

SO–14

74FST3126DT

TSSOP–14

2500 Units/Reel

96 Units/Rail

A

= Assembly Location

L, WL

= Wafer Lot

Y

= Year

W, WW = Work Week

74FST3126DTR2

TSSOP–14

2500 Units/Reel

74FST3126QS

QSOP–16

98 Units/Rail

74FST3126QSR

QSOP–16

2500 Units/Reel

TSSOP–14

DT SUFFIX

CASE 948G

14

1

QSOP–16

QS SUFFIX

CASE 492

SO–14

D SUFFIX

CASE 751A

14

1

14

FST

3126

ALYW

FST3126

AWLYWW

14

1

MARKING

DIAGRAMS

S3126

ALYW

16

1

Bus Switch Enables

Bus A

1B, 2B, 3B, 4B

Bus B

NC

Not Connected

16

1

类似零件编号 - 74FST3126QS

制造商	部件名	数据表	功能描述
ON Semiconductor	74FST3126QS	195Kb / 7P	4?묪it Bus Switch June, 2006 ??Rev. 2
ON Semiconductor	74FST3126QSR	195Kb / 7P	4?묪it Bus Switch June, 2006 ??Rev. 2

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类似说明 - 74FST3126QS

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