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參數資料
| 型號： | 74AHC1G66GW-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 多路復用及模擬開關 |
| 英文描述： | 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO5 |
| 封裝： | 1.25 MM, PLASTIC, SOT-353, MO-203, SC-88A, TSSOP-5 |
| 文件頁數： | 14/17頁 |
| 文件大小： | 105K |
| 代理商： | 74AHC1G66GW-T |
74AHC_AHCT1G66_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 18 December 2008
6 of 17
NXP Semiconductors
74AHC1G66; 74AHCT1G66
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
25
°C
40 °C to +85 °C 40 °C to +125 °C Unit
Typ
max
Max
74AHC1G66 and 74AHCT1G66
RON(peak) ON resistance
(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
110
ISW = 10 mA; VCC = 4.5 V to 5.5 V
15
30
40
60
RON(rail)
ON resistance
(rail)
ISW = 1.0 mA; VCC = 2.0 V
30
-
ISW = 10 mA; VCC = 3.0 V to 3.6 V
20
50
65
90
ISW = 10 mA; VCC = 4.5 V to 5.5 V
15
22
26
40
ISW = 1.0 mA; VCC = 2.0 V
28
-
ISW = 10 mA; VCC = 3.0 V to 3.6 V
18
50
65
90
ISW = 10 mA; VCC = 4.5 V to 5.5 V
13
22
26
40
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
001aag490
VI
VIH
VCC
GND
Z
Y
E
VSW
ISW
0246
VI (V)
RON
(
)
40
30
10
0
20
mna630
VCC = 3.0 V
4.5 V
5.5 V
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