74HC1G66GV datasheet(2/20 Pages) PHILIPS

2 / 20 page

2002 May 15

Philips Semiconductors

Product speciﬁcation

Bilateral switch

74HC1G66; 74HCT1G66

FEATURES

• Wide operating voltage range from 2.0 to 9.0 V

• Very low ON-resistance:

–45

Ω (typical) at VCC = 4.5 V

–30

Ω (typical) at VCC = 6.0 V

–25

Ω (typical) at VCC = 9.0 V.

• High noise immunity

• Low power dissipation

• Very small 5 pins package

• Output capability: non standard.

DESCRIPTION

The 74HC1G/HCT1G66 is a high-speed Si-gate CMOS

device.

The 74HC1G/HCT1G66 provides an analog switch. The

switch has two input/output pins (Y and Z) and an active

HIGH enable input pin (E). When pin E is LOW, the analog

switch is turned off.

The non standard output currents are equal compared to

the 74HC/HCT4066.

QUICK REFERENCE DATA

GND = 0 V; Tamb =25 °C; tr =tf = 6.0 ns.

Notes

1. CPD is used to determine the dynamic power dissipation (PD in µW).

PD =CPD × VCC2 × fi + ∑ ((CL +CS)× VCC2 × fo) where:

fi = input frequency in MHz;

fo = output frequency in MHz;

CL = output load capacitance in pF;

CS = maximum switch capacitance in pF;

VCC = supply voltage in Volts;

∑ ((CL +CS)× VCC2 × fo) = sum of outputs.

2. For HC1G the condition is VI = GND to VCC.

For HCT1G the condition is VI = GND to VCC − 1.5 V.

FUNCTION TABLE

See note 1.

Note

1. H = HIGH voltage level;

L = LOW voltage level.

SYMBOL

PARAMETER

CONDITIONS

TYPICAL

UNIT

HC1G

HCT1G

tPZH/tPZL

turn-on time E to Vos

CL = 15 pF; RL =1kΩ; VCC = 5 V 11

tPHZ/tPLZ

turn-off time E to Vos

CL = 15 pF; RL =1kΩ; VCC = 5 V 11

input capacitance

1.5

CPD

power dissipation capacitance

notes 1 and 2

maximum switch capacitance

INPUT E

SWITCH

OFF

HON

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