74HC_HCT1G66_15 datasheet(8/18 Pages) PHILIPS

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74HC_HCT1G66_4

Product data sheet

Rev. 04 — 19 December 2008

8 of 18

NXP Semiconductors

74HC1G66; 74HCT1G66

Single-pole single-throw analog switch

[1]

All typical values are measured at Tamb =25 °C.

[2]

tpd is the same as tPLH and tPHL.

ten is the same as tPZL and tPZH.

tdis is the same as tPLZ and tPHZ.

[3]

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

PD =CPD × VCC2 × fi + Σ ((CL × CSW) × VCC2 × fo) where:

fi = input frequency in MHz;

fo = output frequency in MHz;

CL = output load capacitance in pF;

CSW = maximum switch capacitance in pF (see Table 7);

VCC = supply voltage in Volt;

Σ ((C

L × CSW) × VCC

× f

o) = sum of outputs.

tdis

disable time

E to Y or Z; see Figure 9

[2]

VCC = 2.0 V

190

225

VCC = 4.5 V

VCC = 5.0 V; CL =15pF

VCC = 6.0 V

VCC = 9.0 V

CPD

power dissipation

capacitance

VI = GND to VCC

[3]

-9-

74HCT1G66

tpd

propagation delay Y to Z or Z to Y; RL = ∞Ω;

see Figure 8

[2]

VCC = 4.5 V

ten

enable time

E to Y or Z; see Figure 9

[2]

VCC = 4.5 V

VCC = 5.0 V; CL =15pF

tdis

disable time

E to Y or Z; see Figure 9

[2]

VCC = 4.5 V

VCC = 5.0 V; CL =15pF

CPD

power dissipation

capacitance

VI = GND to VCC − 1.5 V

[3]

-9-

Table 9.

Dynamic characteristics …continued

Voltages are referenced to GND (ground = 0 V); CL = 50 pF; RL =1 kΩ, unless otherwise speciﬁed;

For test circuit see Figure 10.

Symbol Parameter

Conditions

−40 °C to +85 °C

−40 °C to +125 °C Unit

Min

Typ[1]

Max

Min

Max

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