74AHC1G66-Q100 datasheet(6/18 Pages) NEXPERIA

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74AHC_AHCT1G66_Q100

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Product data sheet

Rev. 1 — 27 January 2015

6 of 18

Nexperia

74AHC1G66-Q100; 74AHCT1G66-Q100

Single-pole single-throw analog switch

10.2 ON resistance

[1]

At supply voltages approaching 2 V, the analog switch ON resistance becomes extremely non-linear. Therefore it is recommended that

these devices be used to transmit digital signals only, when using this supply voltage.

10.3 ON resistance test circuit and graphs

Table 8.

ON resistance

At recommended operating conditions; voltages are referenced to GND (ground 0 V); for graph see Figure 7 [1].

Symbol

Parameter

Conditions

C

40 C to +85 C 40 C to +125 C Unit

Typ

max

Max

74AHC1G66-Q100 and 74AHCT1G66-Q100

RON(peak) ON resistance

(peak)

VI =VCC to GND; see Figure 6

ISW =1.0 mA; VCC = 2.0 V

148[1]



ISW =10mA; VCC = 3.0 V to 3.6 V

110



ISW =10mA; VCC = 4.5 V to 5.5 V



RON(rail)

ON resistance

(rail)

VI = GND; see Figure 6

ISW =1.0 mA; VCC =2.0 V



ISW =10mA; VCC = 3.0 V to 3.6 V



ISW =10mA; VCC = 4.5 V to 5.5 V



VI =VCC; see Figure 6

ISW =1.0 mA; VCC =2.0 V



ISW =10mA; VCC = 3.0 V to 3.6 V



ISW =10mA; VCC = 4.5 V to 5.5 V



RON =VSW / ISW.Tamb = 25 C.

Fig 6.

Test circuit for measuring ON resistance

Fig 7.

Typical ON resistance as a function of

input voltage

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