CBT3126_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 23 October 2008 3 of 15

NXP Semiconductors CBT3126

Quad FET bus switch
5. Pinning information

5.1 Pinning

5.2 Pin description

6. Functional description
Fig 3. Pin configuration SOT108-1 (SO14), SOT337-4
(SSOP14) and SOT402-1 (TSSOP14) Fig 4. Pin configuration SOT519-1 (SSOP16)
CBT3126
1OE VCC
1A 4OE
1B 4A
2OE 4B
2A 3OE
2B 3A
GND 3B
001aaj025
1
2
3
4
5
6
78
10
9
12
11
14
13
CBT3126
n.c. VCC
1OE 4OE
1A 4A
1B 4B
2OE 3OE
2A 3A
2B 3B
GND n.c.
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1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
Table 2. Pin description
Symbol Pin SOT108-1 SOT337-4
and SOT402-1 Pin SOT519-1 Description
1OE to 4OE 1, 4, 10, 13 2, 5, 12, 15 output enable input
1A to 4A, 2, 5, 9, 12 3, 6, 11, 14 A input/output
1B to 4B 3, 6, 8, 11 4, 7, 10, 13 B output/input
GND 7 8 ground (0V)
VCC 14 16 positive supply voltage
n.c. - 1, 9 not connected
Table 3. Function selection

H = HIGH voltage level; L= LOW voltage level.

Inputs Switch
nOE
L nA to nB disconnected
H nA to nB connected