UNISONIC TECHNOLOGIES CO., LTD U74AHC1G66
BILATERAL SWITCH
3 2 1
CMOS IC
DESCRIPTION
The U74AHC1G66 is an analog switch which transmits signals from pin(Y or Z) to pin (Z or Y) with an active HIGH enable input pin (E). When pin E is LOW, the switch is turned off.
3 2 4
5
SOT-25
1
FEATURES
* Operation voltage range: 2~5.5V * Low power dissipation * Very low ON-resistance: 26Ω (typ.) at Vcc=3.0V 16Ω (typ.) at Vcc=4.5V 14Ω (typ.) at Vcc=5.5V
5 4
SOT-353
*Pb-free plating product number: U74AHC1G66L
ORDERING INFORMATION
Order Number Normal Lead Free Plating U74AHC1G66-AF5-R U74AHC1G66L-AF5-R U74AHC1G66-AL5-R U74AHC1G66L-AL5-R Package SOT-25 SOT-353 Packing Tape Reel Tape Reel
U74AHC1G66L-AF5-R (1)Packing Type (2)Package Type (3)Lead Plating (1) R: Tape Reel (2) AF5: SOT-25, AL5: SOT-353 (3) L: Lead Free Plating, Blank: Pb/Sn
MARKING
3 2 A 66 4 5 1
Lead Plating
www.unisonic.com.tw Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 7
QW-R502-098,A
U74AHC1G66
PIN CONFIGURATION
GND 3 Z 2 Y 1
CMOS IC
4 E
5 VCC
PIN DESCRIPTION
PIN NUMBER 1 2 3 4 5 SYMBOL Y Z GND E Vcc DESCRIPTION independent input/output independent output/input ground enable input supply voltage
FUNCTION TABLE (each gate)
INPUT E H L SWITCH ON OFF
LOGIC DIAGRAM (positive logic)
E Y 4 1 2 E Z Y 4 # X1 1 1 1 1 X1 2 Z
Vcc
E
Z
Y
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 7
QW-R502-098,A
U74AHC1G66
ABSOLUTE MAXIMUM RATINGS (unless otherwise specified)(Note 1)
PARAMETER
CMOS IC
SYMBOL RATINGS UNIT Supply Voltage VCC -0.5~7 V Enable Input Voltage VE -0.5~7 V Enable Input Clamp Current IEK -20 mA Switch Diode Current ISK ±20 mA On-State Switch Current(-0.5V
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