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FSTU3384

10-Bit Bus Switch with −2V Undershoot Protection

Fairchild Semiconductor 

Absolute Maximum Ratings(Note 1)

Supply Voltage (VCC)

DC Switch Voltage (VS)

DC Input Voltage (VIN) (Note 2)

DC Input Diode Current (IIK) VIN<0V

DC Output (IOUT) Sink Current

DC VCC/GND Current (ICC/IGND)

Storage Temperature Range (TSTG)

−0.5V to +7.0V

−2.0V to +7.0V

−0.5V to +7.0V

−50 mA

128 mA

+/− 100mA

−65°C to +150°C

Recommended Operating

Conditions (Note 3)

Power Supply Operating (VCC)

Input Voltage (VIN)

Output Voltage (VOUT)

Input Rise and Fall Time (tr, tf)

Switch Control Input

4.0V to 5.5V

0V to 5.5V

0V to 5.5V

0nS/V to 5nS/V

Switch I/O

0nS/V to DC

Free Air Operating Temperature (TA)

−40°C to +85°C

Note 1: The “Absolute Maximum Ratings” are those values beyond which

the safety of the device cannot be guaranteed. The device should not be

operated at these limits. The parametric values defined in the “Electrical

Characteristics” table are not guaranteed at the absolute maximum ratings.

The “Recommended Operating Conditions” table will define the conditions

for actual device operation.

Note 2: The input and output negative voltage ratings may be exceeded if

the input and output diode current ratings are observed.

Note 3: Unused control inputs must be held HIGH or LOW. They may not

float.

DC Electrical Characteristics

Symbol

Parameter

TA = −40°C to +85°C

VCC

(V)

Min

Typ

Max

Units

(Note 5)

Condition

VIK

Clamp Diode Voltage

4.5

−1.2

V IIN = − 18 mA

VIH

HIGH Level Input Voltage

4.0-5.5

2.0

V

VIL

LOW Level Input Voltage

4.0-5.5

0.8

V

II

Input Leakage Current

5.5

±1.0

µA 0 ≤ VIN ≤ 5.5V

IOZ

OFF-STATE Leakage Current

5.5

±1.0

µA 0 ≤ A, B ≤ VCC, VIN = VIH

RON

Switch On Resistance

4.5

4

7

Ω VS = 0V, IIN = 64 mA

(Note 4)

4.5

4

7

Ω VS = 0V, IIN = 30 mA

4.5

8

15

Ω VS = 2.4V, IIN = 15 mA

4.0

11

20

Ω VS = 2.4V, IIN = 15 mA

ICC

Quiescent Supply Current

5.5

3

µA VS = VCC or GND, IOUT = 0

∆ ICC

Increase in ICC per Input

5.5

2.5

mA OE input at 3.4V

Other inputs at VCC or GND

IBIAS

Bias Pin Leakage Current

5.5

±1.0

µA OE = 0V, B = 0V, BiasV = 5.5V

IOZU

Switch Undershoot Current

5.5

100

µA IIN= − 20 mA, OE = 5.5V, VOUT ≥ VIH

VIKU

Voltage Undershoot

5.5

−2.0

V 0.0 mA ≥ IIN ≥ − 50 mA, OE = 5.5V

Note 4: Measured by voltage drop between A and B pin at indicated current through the switch. On resistance is determined by the lower of the voltages on

the two (A or B) pins.

Note 5: All typical values are at VCC = 5.0V, TA = 25°C.

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