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PDF L74VHC1GT66 Data sheet ( Hoja de datos )

Número de pieza L74VHC1GT66
Descripción ANALOG Switch
Fabricantes LRC 
Logotipo LRC Logotipo



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No Preview Available ! L74VHC1GT66 Hoja de datos, Descripción, Manual

LESHAN RADIO COMPANY, LTD.
ANALOG Switch
with LSTTL–Compatible Inputs
L74VHC1GT66
The L74VHC1GT66 is an advanced high speed CMOS bilateral analog switch fabricated with silicon gate CMOS technology. It
achieves high speed propagation delays and low ON resistances while maintaining low power dissipation. This bilateral switch controls
analog and digital voltages that may vary across the full power–supply range (from VCC to GND).
The L74VHC1GT66 is compatible in function to a single gate of the very High Speed CMOS MC74VHCT4066. The device has
been designed so that the ON resistances (RON) are much lower and more linear over input voltage.
The ON/OFF Control input is compatible with TTL–type input thresholds allowing the device to be used as a logic–level translator from
3.0 V CMOS logic to 5.0 V CMOS logic or from 1.8 V CMOS logic to 3.0 V CMOS logic while operating at the high–voltage power supply.
The input protection circuitry on this device allows overvoltage tolerance on the input, which provides protection when voltages of up to 7
V are applied, regardless of the supply voltage. This allows the L74VHC1GT66 to be used to interface 5 V circuits to 3 V circuits.
• High Speed: t PD = 20 ns (Typ) at V CC = 5 V
• Low Power Dissipation: I CC = 1 µA (Max) at T A = 25°C
• Diode Protection Provided on Inputs and Outputs
• Improved Linearity and Lower ON Resistance over Input Voltage
• On/Off Control Input Has OVT
• We declare that the material of product is ROHS compliant and halogen free.
5
1
2
3
4
SC–70/SC–88A/SOT–353
DF SUFFIX
5
4
1
2
3
SOT–23/TSOP–5/SC–59
DT SUFFIX
MARKING DIAGRAMS
T66
Pin 1
Figure 1. Pinout (Top View)
Figure 2. Logic Symbol
PIN ASSIGNMENT
1 IN/OUT X A
2 OUT/IN Y A
3 GND
4 ON/OFF CONTROL
5 V CC
May,2008-Ver.2
FUNCTION TABLE
On / Off Control Input State Analog Switch
L Off
H On
ORDERING INFORMATION
See detailed ordering and shipping information in the
package dimensions section on page 6 of this data sheet.
VHT66-1/6

1 page




L74VHC1GT66 pdf
Switch to Position 1 when testing t PLZ and t PZL
Switch to Position 2 when testing t and t
PHZ
PZH
LESHAN RADIO COMPANY, LTD.
L74VHC1GT66
Figure 8. Propagation Delay Output Enable/Disable
Test Set–Up
Figure 9. Power Dissipation Capacitance
Test Set–Up
Figure 10. Maximum On–Channel Bandwidth
Test Set–Up
Figure 11. Off–Channel Feedthrough Isolation
Test Set–Up
Figure 12. Feedthrough Noise, ON/OFF Control to
Analog Out, Test Set–Up
Figure 13. Total Harmonic Distortion Test
Set–Up
May,2008-Ver.2
VHT66-5/6

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