CBT3126_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 12 October 2009 3 of 13
NXP Semiconductors
CBT3126
Quad FET bus switch
6. Functional description
7. Limiting values
[1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed.
[2] The package thermal impedance is calculated from JESD51-7.
[3] For SO14 package; P
tot
derates linearly with 8 mW/K above 70 °C.
[4] For SSOP14, SSOP16 and TSSOP14 packages; P
tot
derates linearly with 5.5 mW/K above 70 °C.
8. Recommended operating conditions
GND 7 8 ground (0 V)
V
CC
14 16 positive supply voltage
n.c. - 1, 9 not connected
Table 2. Pin description
…continued
Symbol Pin Description
SOT108-1 SOT337-1 and SOT402-1 SOT519-1
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
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage −0.5 +7.0 V
V
I
input voltage
[1]
−0.5 +7.0 V
I
SW
switch current continuous current through each switch - 128 mA
I
IK
input clamping current V
I
<0V −50 - mA
T
stg
storage temperature −65 +150 °C
P
tot
total power dissipation T
amb
= −40 °C to +125 °C
[2]
SO14 package
[3]
- 500 mW
SSOP14 and SSOP16 package
[4]
- 500 mW
TSSOP14 package
[4]
- 500 mW
Table 5. Operating conditions
All unused control inputs of the device must be held at V
CC
or GND to ensure proper device operation.
Symbol Parameter Conditions Min Max Unit
V
CC
supply voltage 4.5 5.5 V
V
IH
HIGH-level input voltage 2.0 - V
V
IL
LOW-level input voltage - 0.8 V
T
amb
ambient temperature operating in free-air −40 +85 °C
