74AHC1G66 Просмотр технического описания (PDF) - NXP Semiconductors.
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74AHC1G66 Datasheet PDF : 17 Pages
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NXP Semiconductors
74AHC1G66; 74AHCT1G66
Single-pole single-throw analog switch
10.2 ON resistance
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
25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Typ max
Max
Max
74AHC1G66 and 74AHCT1G66
RON(peak) ON resistance VI = VCC to GND; see Figure 6
(peak)
ISW = 1.0 mA; VCC = 2.0 V
148[1] -
-
ISW = 10 mA; VCC = 3.0 V to 3.6 V 28 50
70
ISW = 10 mA; VCC = 4.5 V to 5.5 V 15 30
40
RON(rail) ON resistance VI = GND; see Figure 6
(rail)
ISW = 1.0 mA; VCC = 2.0 V
30 -
-
ISW = 10 mA; VCC = 3.0 V to 3.6 V 20 50
65
ISW = 10 mA; VCC = 4.5 V to 5.5 V 15 22
26
VI = VCC; see Figure 6
ISW = 1.0 mA; VCC = 2.0 V
28 -
-
ISW = 10 mA; VCC = 3.0 V to 3.6 V 18 50
65
ISW = 10 mA; VCC = 4.5 V to 5.5 V 13 22
26
-
Ω
110
Ω
60
Ω
-
Ω
90
Ω
40
Ω
-
Ω
90
Ω
40
Ω
[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
VSW
VCC
VIH
E
Y
Z
VI
GND
ISW
001aag490
RON = VSW / ISW.
Fig 6. Test circuit for measuring ON resistance
40
RON
(Ω)
30
20
10
mna630
VCC = 3.0 V
4.5 V
5.5 V
0
0
2
4
VI (V)
6
Fig 7.
Tamb = 25 °C.
Typical ON resistance as a function of
input voltage
74AHC_AHCT1G66_4
Product data sheet
Rev. 04 — 18 December 2008
© NXP B.V. 2008. All rights reserved.
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