M74HCT4051 SINGLE 8-CHANNEL ANALOG MULTIPLEXER/DEMULTIPLEXER LOW POWER DISSIPATION: I =4A(MAX.)at T =25C CC A LOGIC LEVEL TRANSLATION TO ENABLE TTL LOGIC SIGNAL TO COMMUNICATE WITH 5V ANALOG SIGNAL LOWO RESISTANCE: 70 TYP. (V -V =4.5V) DIP SOP TSSOP CC EE 50 TYP. (V -V =9V) CC EE WIDE ANALOG INPUT VOLTAGE RANGE: 6V ORDER CODES FAST SWITCHING: PACKAGE TUBE T & R t = 13ns (TYP.) at T =25C pd A DIP M74HCT4051B1R LOW CROSSTALK BETWEEN SWITCHES SOP M74HCT4051M1R M74HCT4051RM13TR HIGH ON/OFF OUTPUT VOLTAGE RATIO TSSOP M74HCT4051TTR WIDE OPERATING SUPPLY VOLTAGE RANGE (V -V ) = 2V TO 12V CC EE LOW SINE WAVE DISTORTION: A built-in level shifting is included to allow an input 0.02% at V -V =9V rangeupto 6V (peak) for an analog signal with CC EE COMPATIBLE WITH TTL OUTPUTS: digital control signal of 0 to 6V. V =2V(MIN.)V = 0.8V (MAX.) V supply pin is provided for analog input IH IL EE signals. It has an inhibit (INH) input terminal to PIN AND FUNCTION COMPATIBLE WITH disable all the switches when high, compatible 74 SERIES 4051 with TTL output level. For operation as a digital multiplexer/demultiplexer, VEE is connected to DESCRIPTION GND. A, B and C control inputs select one channel The M74HCT4051 is a single eight-channel out of eight channels they are compatible with analog MULTIPLEXER/DEMULTIPLEXER 2 TTL output level. fabricated with silicon gate C MOS technology All inputs are equipped with protection circuits and it is pin to pin compatible with the equivalent against static discharge and transient excess metal gate CMOS4000B series. voltage. It contains 8 bidirectional and digitally controlled analog switches. PIN CONNECTION AND IEC LOGIC SYMBOLS March 2003 1/14M74HCT4051 CONTROL INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No SYMBOL NAME AND FUNCTION 3COM Common Output/Input OUT/IN 6 INH INHIBIT Input 7V Negative Supply Voltage EE 11, 10, 9 A, B, C Select Inputs 13, 14, 15, 0 to 7 Independent Input/Out- 12, 1,5,2,4 puts 8 GND Ground (0V) 16 V Positive Supply Voltage CC TRUTH TABLE I/O EQUIVALENT CIRCUIT INPUT STATE ON CHANNEL INH C B A LL LL 0 LL L H 1 LL H L 2 LL H H 3 LH L L 4 LH LH 5 LH HL 6 LH H H 7 H X X X NONE FUNCTIONAL DIAGRAM 2/14