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74HC4051D-74HC4051N-74HC4051PW-74HCT4051D-74HCT4051PW
74HC/HCT4051; 8-channel analog multiplexer/demultiplexer
Philips Semiconductors Product specification
8-channel analog
multiplexer/demultiplexer 74HC/HCT4051
FEATURES Wide analog input voltage range:± 5V. Low “ON” resistance:Ω (typ.) at VCC− VEE= 4.5VΩ (typ.) at VCC− VEE= 6.0VΩ (typ.) at VCC− VEE= 9.0V Logic level translation:
to enable 5 V logic to communicate with±5 V analog
signals Typical “break before make” built in Output capability: non-standard ICC category: MSI
GENERAL DESCRIPTIONThe 74HC/HCT4051 are high-speed Si-gate CMOS
devices and are pin compatible with the “4051” of the
“4000B” series. They are specified in compliance with
JEDEC standard no. 7A.
The 74HC/HCT4051 are 8-channel analog
multiplexers/demultiplexers 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 2.0 to 10.0 V for HC and 4.5 to 5.5 V for HCT. 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 10.0V.
For operation as a digital multiplexer/demultiplexer, VEE is
connected to GND (typically ground).
QUICK REFERENCE DATAVEE= GND=0 V; Tamb =25 °C; tr =tf= 6 ns
Notes CPD is used to determine the dynamic power dissipation (PD in μW): =CPD× VCC2×fi+ ∑{ (CL +CS)× VCC2×fo } where:= input frequency in MHz= output frequency in MHz {(CL +CS)× VCC2×fo}= sum of outputs= output load capacitance in pF
CS = max. switch capacitance in pF
VCC= supply voltage in V
Philips Semiconductors Product specification
8-channel analog multiplexer/demultiplexer 74HC/HCT4051
ORDERING INFORMATIONSee “74HC/HCT/HCU/HCMOS Logic Package Information”.
PIN DESCRIPTION
Philips Semiconductors Product specification
8-channel analog multiplexer/demultiplexer 74HC/HCT4051
APPLICATIONS Analog multiplexing and demultiplexing Digital multiplexing and demultiplexing Signal gating
FUNCTION TABLE
Notes H= HIGH voltage level= LOW voltage level= don’t care
Philips Semiconductors Product specification
8-channel analog multiplexer/demultiplexer 74HC/HCT4051
RATINGSLimiting values in accordance with the Absolute Maximum System (IEC 134)
Voltages are referenced to VEE= GND (ground=0V)
Note to ratings To avoid drawing VCC current out of terminal Z, when switch current flows in terminals Yn, the voltage drop across
the bidirectional switch must not exceed 0.4 V. If the switch current flows into terminal Z, no VCC current will flow out
of terminals Yn. In this case there is no limit for the voltage drop across the switch, but the voltages at Yn and Z may
not exceed VCC or VEE.
RECOMMENDED OPERATING CONDITIONS
Philips Semiconductors Product specification
8-channel analog multiplexer/demultiplexer 74HC/HCT4051
DC CHARACTERISTICS FOR 74HC/HCTFor 74HC: VCC− GND or VCC− VEE= 2.0, 4.5, 6.0 and 9.0V
For 74HCT: VCC− GND= 4.5 and 5.5 V; VCC− VEE= 2.0, 4.5, 6.0 and 9.0V
Notes to DC characteristics At supply voltages (VCC− VEE) approaching 2.0 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.
Philips Semiconductors Product specification
8-channel analog multiplexer/demultiplexer 74HC/HCT4051
DC CHARACTERISTICS FOR 74HCVoltages are referenced to GND (ground=0V)
Philips Semiconductors Product specification
8-channel analog multiplexer/demultiplexer 74HC/HCT4051
AC CHARACTERISTICS FOR 74HCGND =0 V; tr =tf=6 ns; CL =50pF
