CBT3126DB datasheet(4/13 Pages) NXP

Part #	CBT3126DB

Description	Quad FET bus switch

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Manufacturer	NXP [NXP Semiconductors]

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4 / 13 page

CBT3126_3

Product data sheet

Rev. 03 — 9 December 2008

4 of 13

NXP Semiconductors

CBT3126

Quad FET bus switch

9.

Static characteristics

[1]

All typical values are measured at VCC =5V; Tamb =25 °C.

[2]

This is the increase in supply current for each input that is at the speciﬁed TTL voltage level rather than VCC or GND.

[3]

Measured by the voltage drop between the A and the B terminals at the indicated current through the switch. ON resistance is

determined by the lowest voltage of the two (A or B) terminals.

10. Dynamic characteristics

[1]

This parameter is warranted but not production tested. The propagation delay is based on the RC time constant of the typical ON

resistance of the switch and a load capacitance, when driven by an ideal voltage source (zero output impedance).

[2]

tPLH and tPHL are the same as tpd;

tPZL and tPZH are the same as ten;

tPLZ and tPHZ are the same as tdis.

Table 6.

Static characteristics

Tamb = −40 °C to +85 °C.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

VIK

input clamping voltage

VCC = 4.5 V; II = −18 mA

-

−1.2

V

Vpass

pass voltage

VI =VCC = 5.0 V; IO = −100 µA

-

3.8

-

V

II

input leakage current

VCC = 5.5 V; VI = GND or 5.5 V

-

±1

µA

ICC

supply current

VCC = 5.5 V; IO = 0 mA;

VI =VCC or GND

--3

µA

∆ICC

additional supply current

control pins; per input;

VCC = 5.5 V; one input at 3.4 V,

other inputs at VCC or GND

[2] -

-

2.5

mA

CI

input capacitance

control pins; VI = 3 V or 0 V

-

1.7

-

pF

Cio(off)

off-state input/output capacitance

VO = 3 V or 0 V; OE = VCC

-

3.4

-

pF

RON

ON resistance

VCC = 4.0 V

[3]

VI = 2.4 V; II = 15 mA

-

16

22

Ω

VCC = 4.5 V

VI =0V; II =64mA

-

5

7

Ω

VI =0V; II =30mA

-

5

7

Ω

VI = 2.4 V; II = 15 mA

-

10

15

Ω

Table 7.

Dynamic characteristics

Tamb = −40 °C to +85 °C; VCC = 4.5 V to 5.5 V; for test circuit see Figure 8.

Symbol

Parameter

Conditions

Min

Max

Unit

tpd

propagation delay

nA to nB or nB to nA; see Figure 6

[1][2] -

0.25

ns

ten

enable time

OE to nA or nB; see Figure 7

[2] 1.6

4.5

ns

tdis

disable time

OE to nA or nB; see Figure 7

[2] 1.0

5.4

ns

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