FST3126 datasheet(4/7 Pages) ONSEMI

4 / 7 page

FST3126

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DC ELECTRICAL CHARACTERISTICS

VCC

TA = −55_C to +125_C

Symbol

Parameter

Conditions

(V)

Min

Typ*

Max

Unit

VIK

Clamp Diode Resistance

IIN = *18mA

4.5

*1.2

VIH

High−Level Input Voltage

4.0 to 5.5

2.0

VIL

Low−Level Input Voltage

4.0 to 5.5

0.8

Input Leakage Current

v VIN v 5.5 V

5.5

$1.0

IOZ

OFF−STATE Leakage Current

v A, B v VCC

5.5

$1.0

RON

Switch On Resistance (Note 6)

VIN = 0 V, IIN = 64 mA

4.5

VIN = 0 V, IIN = 30 mA

4.5

VIN = 2.4 V, IIN = 15 mA

4.5

VIN = 2.4 V, IIN = 15 mA

4.0

ICC

Quiescent Supply Current

VIN = VCC or GND, IOUT = 0

5.5

DICC

Increase In ICC per Input

One input at 3.4 V, Other inputs at VCC or GND

5.5

2.5

*Typical values are at VCC = 5.0 V and TA = 25_C.

6. Measured by the voltage drop between A and B pins at the indicated current through the switch.

AC ELECTRICAL CHARACTERISTICS

Limits

TA = −55_C to +125_C

VCC = 4.5 to 5.5 V

VCC = 4.0 V

Symbol

Parameter

Conditions

Figures

Min

Max

Min

Max

Unit

tPHL,

tPLH

Prop Delay Bus to Bus

(Note 7)

VI = OPEN

3 and 4

0.25

tPZH,

tPZL

Output Enable Time

VI = 7 V for tPZL

VI = OPEN for tPZH

3 and 4

1.0

4.5

5.0

tPHZ,

tPLZ

Output Disable Time

VI = 7 V for tPLZ

VI = OPEN for tPHZ

3 and 4

1.5

5.7

6.2

7. This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay other than the RC delay of the

typical On resistance of the switch and the 50 pF load capacitance, when driven by an ideal voltage source (zero output impedance).

CAPACITANCE (Note 8)

Symbol

Parameter

Conditions

Typ

Max

Unit

CIN

Control Pin Input Capacitance

VCC = 5.0 V

CI/O

Input/Output Capacitance

VCC = 5.0 V, OE = 0 V

8. TA = )25_C, f = 1 MHz, Capacitance is characterized but not tested.

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