www.ti.com

FEATURES

DGG, DGV, OR DL PACKAGE

(TOP VIEW)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

48

47

46

45

44

43

42

41

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

NC

1B1

1B2

GND

1B3

1B4

1B5

1B6

GND

1B7

1B8

2B1

2B2

GND

2B3

2B4

2B5

2B6

GND

2B7

2B8

NC

1OE

1A1

1A2

GND

1A3

1A4

1A5

1A6

GND

1A7

1A8

2A1

2A2

GND

2A3

2A4

2A5

2A6

GND

2A7

2A8

2OE

NC - No internal connection

SN74CB3Q16245

16-BIT SWITCH

2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH

SCDS171A – JULY 2004 – REVISED MARCH 2005

•

Member of the Texas Instruments Widebus™

Family

•

•

5-V Tolerant I/Os With Device Powered Up or

Powered Down

•

Low and Flat ON-State Resistance (r

Characteristics Over Operating Range

(r

•

Rail-to-Rail Switching on Data I/O Ports

– 0- to 5-V Switching With 3.3-V V

CC

– 0- to 3.3-V Switching With 2.5-V V

CC

•

Bidirectional Data Flow With Near-Zero

Propagation Delay

•

Low Input/Output Capacitance Minimizes

Loading and Signal Distortion

(C

•

Fast Switching Frequency (f

•

Data and Control Inputs Provide Undershoot

Clamp Diodes

•

Low Power Consumption (I

•

V

•

Data I/Os Support 0- to 5-V Signaling Levels

(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)

•

Control Inputs Can Be Driven by TTL or

5-V/3.3-V CMOS Outputs

•

I

Operation

•

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

•

ESD Performance Tested Per JESD 22

– 2000-V Human-Body Model (A114-B,

Class II)

– 1000-V Charged-Device Model (C101)

•

Supports Both Digital and Analog

Applications: PCI Interface, Differential Signal

Interface, Memory Interleaving, Bus Isolation,

Low-Distortion Signal Gating

(1)

For additional information regarding the performance

characteristics of the CB3Q family, refer to the TI application

report, CBT-C, CB3T, and CB3Q Signal-Switch Families,

literature number SCDA008.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

Widebus is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2005, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.