5

SN74LVC2G66

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SCES325N – JULY 2001 – REVISED AUGUST 2018

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Copyright © 2001–2018, Texas Instruments Incorporated

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

6.4 Thermal Information

THERMAL METRIC(1)

SN74LVC2G66

UNIT

DCT (SSOP)

DCU (VSSOP)

YZP (DSBGA)

8 PINS

8 PINS

8 PINS

RθJA

Junction-to-ambient thermal resistance

186.1

204.4

102

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

116.5

77

—

°C/W

RθJB

Junction-to-board thermal resistance

98.6

83.2

—

°C/W

ψJT

Junction-to-top characterization parameter

42.2

7.1

—

°C/W

ψJB

Junction-to-board characterization parameter

97.6

82.7

—

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

n/a

n/a

—

°C/W

(1)

TA = 25°C

6.5 Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

VCC

MIN TYP(1)

MAX

UNIT

ron

ON-state switch resistance

VI = VCC or GND,

VC = VIH

(see Figure 3 and Figure 1)

IS = 4 mA

1.65 V

12.5

30

Ω

IS = 8 mA

2.3 V

9

20

IS = 24 mA

3 V

7.5

15

IS = 32 mA

4.5 V

6

10

ron(p)

Peak ON-state resistance

VI = VCC to GND,

VC = VIH

(see Figure 3 and Figure 1)

IS = 4 mA

1.65 V

85

120(1)

Ω

IS = 8 mA

2.3 V

22

30(1)

IS = 24 mA

3 V

12

20

IS = 32 mA

4.5 V

7.5

15

Δron

Difference of ON-state resistance

between switches

VI = VCC to GND,

VC = VIH

(see Figure 3 and Figure 1)

IS = 4 mA

1.65 V

7

Ω

IS = 8 mA

2.3 V

5

IS = 24 mA

3 V

3

IS = 32 mA

4.5 V

2

IS(off)

OFF-state switch leakage current

VI = VCC and VO = GND or

VI = GND and VO = VCC,

VC = VIL (see Figure 4)

5.5 V

±1

μA

±0.1(1)

IS(on)

ON-state switch leakage current

VI = VCC or GND, VC = VIH, VO = Open

(see Figure 5)

5.5 V

±1

μA

±0.1(1)

II

Control input current

VC = VCC or GND

5.5 V

±1

μA

±0.1(1)

ICC

Supply current

VC = VCC or GND

5.5 V

10

μA

1(1)

ΔICC

Supply-current change

VC = VCC – 0.6 V

5.5 V

500

μA

Cic

Control input capacitance

5 V

3.5

pF

Cio(off)

Switch input / output capacitance

5 V

6

pF

Cio(on)

Switch input / output capacitance

5 V

14

pF