SN74CB3Q3306APW datasheet(4/15 Pages) TI

Nome de Peças	SN74CB3Q3306APW

Descrição Electrónicos	Dual FET Bus Switch 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus Switch

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Fabricante Electrônico	TI [Texas Instruments]

Página de início	http://www.ti.com

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SN74CB3Q3306A

SCDS113E – DECEMBER 2002 – REVISED JANUARY 2011

www.ti.com

ELECTRICAL CHARACTERISTICS

(1)

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN TYP(2)

MAX

UNIT

VIK

VCC = 3.6 V,

II = –18 mA

–1.8

V

IIN

Control inputs

VCC = 3.6 V,

VIN = 0 to 5.5 V

±1

mA

VO = 0 to 5.5 V,

Switch OFF,

IOZ

(3)

VCC = 3.6 V,

±1

mA

VI = 0,

VIN = VCC or GND

Ioff

VCC = 0,

VO = 0 to 5.5 V,

VI = 0

1

mA

II/O = 0,

ICC

VCC = 3.6 V,

VIN = VCC or GND

0.25

0.7

mA

Switch ON or OFF,

ΔICC

(4)

Control inputs

VCC = 3.6 V,

One input at 3 V,

Other inputs at VCC or GND

25

mA

VCC = 3.6 V,

A and B ports open,

Per control

mA/

ICCD

(5)

0.03

0.1

input

MHz

Control input switching at 50% duty cycle

Cin

Control inputs

VCC = 3.3 V,

VIN = 5.5 V, 3.3 V, or 0

2.5

3.5

pF

Switch OFF,

Cio(OFF)

VCC = 3.3 V,

VI/O = 5.5 V, 3.3 V, or 0

3.5

5

pF

VIN = VCC or GND,

Switch ON,

Cio(ON)

VCC = 3.3 V,

VI/O = 5.5 V, 3.3 V, or 0

8

10.5

pF

VIN = VCC or GND,

VI = 0,

IO = 30 mA

4

8

VCC = 2.3 V,

TYP at VCC = 2.5 V

VI = 1.7 V,

IO = –15 mA

5

9

ron

(6)

Ω

VI = 0,

IO = 30 mA

4

6

VCC = 3 V

VI = 2.4 V,

IO = –15 mA

5

8

(1)

VIN and IIN refer to control inputs. VI, VO, II, and IO refer to data pins.

(2)

All typical values are at VCC = 3.3 V (unless otherwise noted), TA = 25°C.

(3)

For I/O ports, the parameter IOZ includes the input leakage current.

(4)

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

(5)

This parameter specifies the dynamic power-supply current associated with the operating frequency of a single control input (see

Figure 2).

(6)

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

determined by the lower of the voltages of the two (A or B) terminals.

SWITCHING CHARACTERISTICS

over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)

VCC = 2.5 V

VCC = 3.3 V

FROM

TO

± 0.2 V

± 0.3 V

PARAMETER

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

f OE

(1)

OE

A or B

10

20

MHz

tpd

(2)

A or B

B or A

0.2

ns

ten

OE

A or B

1.5

6.5

1.5

5.5

ns

tdis

OE

A or B

1

6

1

5

ns

(1)

Maximum switching frequency for control input (VO > VCC, VI = 5 V, RL ≥ 1 MΩ, CL = 0)

(2)

The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and the specified load

capacitance, when driven by an ideal voltage source (zero output impedance).

4

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