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74LV4051D-74LV4051PW
8-channel analog multiplexer/demultiplexer
Product specification
Supersedes data of 1997 Jul 15
IC24 Data Handbook
1998 Jun 23
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
FEATURES Optimized for low voltage applications: 1.0 to 6.0 V Accepts TTL input levels between VCC = 2.7 V and VCC = 3.6 V• Low typ “ON” resistance:
60 at Vcc – VEE = 4.5 V
90 at Vcc – VEE = 3.0 V
145 at Vcc – VEE = 2.0 V• Logic level translation: to enable 3 V logic to communicate with ± 3
V analog signals• Typical “break before make” built in Output capability: non-standard ICC category: MSI
DESCRIPTIONThe 74LV4051 is a low-voltage CMOS device and is pin and
function compatible with the 74HC/HCT4051.
The 74LV4051 is an 8-channel analog multiplexer/demultiplexer with
three digital select inputs (S0 to S2) an active LOW enable input (E),
eight independent inputs/outputs (Y0 to Y7) and a common
input/output (Z).
With E LOW, one of the eight switches is selected (low impedance
ON-state) by S0 to S2. With E HIGH, all switches are in the high
impedance OFF-state, independent of S0 to S2.
VCC and GND are the supply voltage pins for the digital control
inputs (S0 to S2, and E). The VCC to GND ranges are 1.0 to 6.0 V.
The analog inputs/outputs (Y0 to Y7 and Z) can swing between VCC
as a positive limit and VEE as a negative limit. VCC - VEE may not
exceed 6.0 V. For operation as a digital multiplexer/demultiplexer,
VEE is connected to GND (typically ground).
QUICK REFERENCE DATAGND = 0 V; Tamb = 25°C; tr =tf ≤ 2.5 ns
NOTES: CPD is used to determine the dynamic power dissipation (PD in μW)
PD = CPD × VCC2 × fi ((CL + CS) × VCC2 × fo) where:
fi = input frequency in MHz; CL = output load capacity in pF;
fo = output frequency in MHz; CS = maximum switch capacitance in pF;
VCC = supply voltage in V; ((CL +CS) × VCC 2 × fo) = sum of the outputs. The condition is VI = GND to VCC.
ORDERING INFORMATION
PIN CONFIGURATION
PIN DESCRIPTION
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
LOGIC SYMBOL
FUNCTION TABLE
NOTES: = HIGH voltage level = LOW voltage level = don’t care
LOGIC SYMBOL (IEEE/IEC)
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
FUNCTIONAL DIAGRAM
SCHEMATIC DIAGRAM (ONE SWITCH)
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
ABSOLUTE MAXIMUM RATINGS1, 2In accordance with the Absolute Maximum Rating System (IEC 134).
Voltages are referenced to GND (ground = 0 V).
NOTES: Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
RECOMMENDED OPERATING CONDITIONS
NOTE: The LV is guaranteed to function down to VCC = 1.0V (input levels GND or VCC); DC characteristics are guaranteed from VCC = 1.2V to VCC = 6.0V.
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
DC ELECTRICAL CHARACTERISTICSOver recommended operating conditions, voltages are referenced to GND (ground = 0 V)
NOTES: All typical values are measured at Tamb = 25°C. At supply voltages approaching 1.2 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 these supply voltages. RON (MAX) data is preliminary.
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
DC ELECTRICAL CHARACTERISTICS (Continued)
NOTES: All typical values are measured at Tamb = 25°C. At supply voltages approaching 1.2 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 these supply voltages. RON (MAX) data is preliminary.
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
Figure 1. Test circuit for measuring ON-resistance (RON).ÎÎÎ
Figure 2. Test circuit for measuring OFF-state current.
Figure 3. Test circuit for measuring ON-state current.
Figure 4. Typical ON-resistance (Ron) as a function of input
voltage (Vis) for Vis = 0 to VCC – VEE.
Figure 5. Guaranteed operating area as a
function of the supply voltages.
Philips Semiconductors Product specification
74LV40518-channel analog multiplexer/demultiplexer
AC CHARACTERISTICSGND = 0 V; tr = tf ≤ 2.5ns; CL = 50pF
NOTES: Unless otherwise stated, all typical values are measured at Tamb = 25°C Typical values are measured at VCC = 3.3 V.
