1.

General description

74HC2G66 and 74HCT2G66 are high-speed Si-gate CMOS devices. They are dual

single-pole single-throw analog switches. Each switch has two input/output pins

(nY and nZ) and an active HIGH enable input pin (nE). When pin nE is LOW, the analog

switch is turned off.

2.

Features and benefits

Wide supply voltage range from 2.0 V to 10.0 V for 74HC2G66

Very low ON resistance:

41

Ω (typ.) at V

30

Ω (typ.) at V

21

Ω (typ.) at V

High noise immunity

Low power dissipation

25 mA continuous switch current

Multiple package options

ESD protection:

HBM JESD22-A114F exceeds 2000 V

MM JESD22-A115-A exceeds 200 V

Specified from

−40 °Cto+85 °C and −40 °Cto+125 °C

3.

Ordering information

74HC2G66; 74HCT2G66

Dual single-pole single-throw analog switch

Rev. 06 — 2 April 2010

Product data sheet

Table 1.

Ordering information

Type number

Package

Temperature range

Name

Description

Version

74HC2G66DP

−40 °C to +125 °C

TSSOP8

plastic thin shrink small outline package; 8

leads; body width 3 mm; lead length 0.5 mm

SOT505-2

74HCT2G66DP

74HC2G66DC

−40 °C to +125 °C

VSSOP8

plastic very thin shrink small outline package; 8

leads; body width 2.3 mm

SOT765-1

74HCT2G66DC

74HC2G66GD

−40 °C to +125 °C

XSON8U

plastic extremely thin small outline package; no

leads; 8 terminals; UTLP based; body 3

× 2 ×

0.5 mm

SOT996-2

74HCT2G66GD