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CBT6810DK

10-bit bus switch with precharged outputs and Schottky undershoot protection for live insertion

Philips Electronics 

Philips Semiconductors

10-bit bus switch with precharged outputs

and Schottky undershoot protection for live insertion

Product data

CBT6810

FEATURES

• 5 Ω switch connection between port A and port B

• TTL compatible input and output levels

• Undershoot protection included to prevent shoot through level

changes

• Bias voltage pre-charges the outputs to minimize signal distortion

during live insertion

• Latch-up protection exceeds 500 mA per JESD78

• ESD protection exceeds 2000 V HBM per JESD22-A114,

200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101

DESCRIPTION

The CBT6810 provides ten bits of high-speed TTL-compatible bus

switching. The low on-state resistance of the switch allows

bi-directional connections to be made while adding near-zero

propagation delay. The device also precharges the B port to a

user-selectable bias voltage (BIASV) to minimize live-insertion

noise.

The CBT6810 is organized as one 10-bit switch with a single enable

(OE) input. When OE is low, the switch is on and port A is

connected to port B. When OE is high, the switch between port A

and port B is open and the B port is precharged to BIASV through

the equivalent of a 10-kΩ resistor.

The CBT6810 is characterized for operation from -40 to +85 °C.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

tPLH

Propagation delay

tPHL

An to Bn or Bn to An

CIN

Input capacitance

CIO

Input/output capacitance

CONDITIONS

Tamb = 25 °C; GND = 0 V

CL = 50 pF; VCC = 5 V

VI = 0 V or VCC

Outputs disabled; VO = 0 V or VCC

TYPICAL

250

3.5

9.0

UNIT

ps

pF

pF

ORDERING INFORMATION

PACKAGES

24-Pin Plastic TSSOP

24-Pin Plastic SSOP (QSOP)

PIN CONFIGURATION

OE 1

A1 2

A2 3

A3 4

A4 5

A5 6

A6 7

A7 8

A8 9

A9 10

A10 11

GND 12

TEMPERATURE RANGE

-40 to +85 °C

-40 to +85 °C

ORDER CODE

CBT6810PW

CBT6810DK

DWG NUMBER

SOT355-1

SOT556-1

24 Vcc

23 B1

22 B2

21 B3

20 B4

19 B5

18 B6

17 B7

16 B8

15 B9

14 B10

13 BIASV

PIN DESCRIPTION

PIN NUMBER SYMBOL

NAME AND FUNCTION

1

OE Output enable

13

BIASV Precharge bias voltage input

2, 3, 4, 5, 6,

7, 8, 9, 10, 11

A1-A10 A - port side

23, 22, 21, 20, 19,

18, 17, 16, 15, 14

B1-B10

B - port side with active pullup

12

GND Ground (V)

24

VCC Positive supply voltagem

SA00505

2002 Dec 13

2

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