CBT3253A_2

© NXP B.V. 2007. All rights reserved.

Product data sheet

Rev. 02 — 8 February 2007

4 of 17

NXP Semiconductors

CBT3253A

Dual 1-of-4 FET multiplexer/demultiplexer

6.

Functional description

Refer to Figure 1 “Logic diagram of CBT3253A (positive logic)”

6.1 Function selection

7.

Limiting values

[1]

The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings

are observed.

8.

Recommended operating conditions

Table 3.

Function selection

H = HIGH state; L = LOW state; X = Don’t Care

Inputs

Function

1OE

2OE

S1

S0

X

H

X

X

disconnect 1A and 2A

H

X

X

X

disconnect 1A and 2A

LLLL1A to 1B1 and 2A to 2B1

LLLH

1A to 1B2 and 2A to 2B2

L

L

H

L

1A to 1B3 and 2A to 2B3

L

L

H

H

1A to 1B4 and 2A to 2B4

Table 4.

Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

supply voltage

−0.5

+7.0

V

input voltage

−0.5[1]

+7.0

V

continuous current through

-

128

mA

input clamping current

-

−50

mA

storage temperature

−65

+150

°C

Table 5.

Operating conditions

operation.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

supply voltage

4.5

-

5.5

V

HIGH-level input voltage

2

-

-

V

LOW-level input voltage

-

-

0.8

V

ambient temperature

operating in free air

−40

-

+85

°C