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april 2008 rev 4 1/17 17 m74hc4051 single 8-channel analog multiplexer/demultiplexer features low power dissipation: ?i cc = 4 a(max) at t a =25c logic level translation to enable 5 v logic signal to communicate with 5 v analog signal low on resistance: 70 typ (v cc - v ee = 4.5 v) 50 typ (v cc - v ee = 9 v) wide analog input voltage range : 6v fast switching: t pd = 15 ns (typ) at t a = 25 c low crosstalk between switches high on/off output voltage ratio wide operating supply voltage range (v cc - v ee ) = 2 to 12 v low sine wave distortion: 0.02% at v cc - v ee = 9 v high noise immunity: v nih = v nil = 28 % v cc (min) pin and function compatible with 74 series 4051 description the m74hc4051 is a single 8-channel analog multiplexer/demultiplexer fabricated with silicon gate c 2 mos technology, pin- to-pin compatible with the equivalent metal gate cmos4000b series. it contains 8 bidirectional and digitally controlled analog switches. a built-in level shifting is included to allow an input range up to 6 v (peak) for an analog signal with digital control signal of 0 to 6 v. the v ee supply pin is provided for analog input signals. it has an inhibit (inh) input terminal to disable all the switches when is at high level. for operation as a digital multiplexer/demultiplexer, v ee is connected to gnd. a, b and c control inputs select one channel out of eight. all inputs are equipped with protection circuits against static discharge and transient excess voltage. pdip-16 sop-16 tssop-16 table 1. device summary order code package packaging m74hc4051rm13tr sop-16 tape and reel m74hc4051ttr tssop-16 tape and reel www.st.com
pin connection and iec logic symbols m74hc4051 2/17 1 pin connection and iec logic symbols figure 1. pin connection figure 2. iec logic symbols 1.1 pin description table 2. pin description pin number symbol name and function 3 com out/in common output/input 6 inh inhibit input 7v ee negative supply voltage 11, 10, 9 a, b, c select inputs 13, 14, 15, 12, 1, 5, 2, 4 0 to 7 independent input/outputs 8 gnd ground (0 v) 16 v cc positive supply voltage
m74hc4051 pin connection and iec logic symbols 3/17 figure 3. control input equivalent circuit figure 4. i/o equivalent circuit x: don?t care table 3. truth table input state on channel inhcba llll 0 lllh 1 llhl 2 llhh 3 lhll 4 lhlh 5 lhhl 6 lhhh 7 h x x x none
pin connection and iec logic symbols m74hc4051 4/17 figure 5. functional diagram
m74hc4051 maximum ratings 5/17 2 maximum ratings stressing the device above the rating listed in the ?absolute maximum ratings? table may cause permanent damage to the device. these are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not imp lied. exposure to absolute ma ximum rating conditions for extended periods may affect device reliability. refer also to the stmicroelectronics sure program and other relevant quality documents. table 4. absolute maximum ratings symbol parameter value unit v cc supply voltage -0.5 to +7 v v cc - v ee supply voltage -0.5 to +13 v v i control input voltage -0.5 to v cc + 0.5 v v i/o switch i/o voltage v ee -0.5 to v cc + 0.5 v i ck control input diode current 20 ma i iok i/o diode current 20 ma i t switch through current 25 ma i cc or i gnd dc v cc or ground current 50 ma p d power dissipation dip-16 500 (1) 1. 500 mw at 65 c; derate to 300 mw by 10 mw/c from 65 c to 85 c mw sop-16 and tssop-16 180 mw t stg storage temperature -65 to +150 c t l lead temperature (10 sec) 300 c table 5. recommended operating conditions symbol parameter value unit v cc supply voltage 2 to 6 v v ee supply voltage -6 to 0 v v cc - v ee supply voltage 2 to 12 v v i input voltage 0 to v cc v v i/o i/o voltage v ee to v cc v t op operating temperature -55 to 125 c t r , t f input rise and fall time v cc = 2.0 v 0 to 1000 ns v cc = 4.5 v 0 to 500 v cc = 6.0 v 0 to 400
maximum ratings m74hc4051 6/17 table 6. dc electrical specifications symbo l parameter test condition value unit v cc (v) v ee (v) t a = 25 c -40 to 85 c -55 to 125 c min typ max min max min max v ihc high level input voltage 2.0 1.5 1.5 1.5 v 4.5 3.15 3.15 3.15 6.0 4.2 4.2 4.2 v ilc low level input voltage 2.0 0.5 0.5 0.5 v 4.5 1.35 1.35 1.35 6.0 1.8 1.8 1.8 r on on resistance 4.5 gnd v i = v ihc or v ilc v i/o = v cc to v ee i i/o 2ma 85 180 225 270 w 4.5 -4.5 55 120 150 180 6.0 -6.0 50 100 125 150 2.0 gnd v i = v ihc or v ilc v i/o = v cc or v ee i i/o 2ma 150 4.5 gnd 70 150 190 230 4.5 -4.5 50 100 125 150 6.0 -6.0 45 80 100 120 r on difference of on resistance between switches 4.5 gnd v i = v ihc or v ilc v i/o = v cc or v ee i i/o 2ma 10 30 35 45 w 4.5 -4.5 5 12 15 18 6.0 -6.0 5 10 12 15 i off input/output leakage current (switch off) 6.0 gnd v os = v cc or gnd v is = gnd or v cc v i = v ilc or v ihc 0.06 0.6 1.2 a 6.0 -6.0 0.1 1 2 i iz switch input leakage current (switch on, output open) 6.0 gnd v os = v cc or gnd v i = v ihc or v ilc 0.06 0.6 1.2 a 6.0 -6.0 0.1 1 2 i i input leakage current 6.0 gnd v i = v cc or gnd 0.1 0.1 1 a i cc quiescent supply current 6.0 gnd v i = v cc or gnd 44080 a 6.0 -6.0 8 80 160
m74hc4051 maximum ratings 7/17 table 7. ac electrical characteristics (c l = 50 pf, input t r = t f = 6ns) symbol parameter test condition value unit v cc (v) v ee (v) t a = 25c -40 to 85c -55 to 125c min. typ max min max min max i/o phase difference between input and output 2.0 gnd 25 60 75 90 ns 4.5 gnd 6 12 15 18 6.0 gnd 5 10 13 15 4.5 -4.5 4 t pzl t pzh output enable time 2.0 gnd r l = 1 k 64 225 280 340 ns 4.5 gnd 18 45 56 68 6.0 gnd 15 38 48 58 4.5 -4.5 18 t plz t phz output disable time 2.0 gnd r l = 1 k 100 250 315 375 ns 4.5 gnd 33 50 63 70 6.0 gnd 28 43 54 64 4.5 -4.5 29 table 8. capacitive characteristics symbol parameter test condition value unit v cc (v) v ee (v) t a = 25 c -40 to 85 c -55 to 125 c min typ max min max min max c in input capacitance 5.0 5 10 10 10 pf c i/o common terminal capacitance 5.0 -5.0 36 70 70 70 pf c i/o switch terminal capacitance 5.0 -5.0 7 15 15 15 pf c ios feed through capacitance 5.0 -5.0 0.95 2 2 2 pf c pd power dissipation capacitance (1) 5.0 gnd 70 pf 1. c pd is defined as the value of the ic?s internal equivalent capacitance which is calculat ed from the operating current consumption without load. (refer to test circuit). average operating current can be obtained by the following equation. i cc(opr) = c pd x v cc x f in + i cc .
maximum ratings m74hc4051 8/17 table 9. analog switch characteristics ( gnd = 0 v; t a = 25c) symbo l parameter test condition value unit v cc (v) v ee (v) v in (v p-p ) typ sine wave distortion 2.25 -2.25 4 f in = 1 khz r l = 10 k c l = 50 pf 0.025 % 4.5 -4.5 8 0.020 6.0 -6.0 11 0.018 f max frequency response (switch on) (1) 2.25 -2.25 adjust f in voltage to obtain 0 dbm at v os . increase f in frequency until db meter reads -3db r l = 50 , c l = 10 pf, f in = 1 khz sine wave 120 mhz 4.5 -4.5 190 6.0 -6.0 200 f max frequency response (switch on) (2) 2.25 -2.25 adjust f in voltage to obtain 0 dbm at v os . increase f in frequency until db meter reads -3db r l = 50 , c l = 10 pf, f in = 1khz sine wave 45 mhz 4.5 -4.5 70 6.0 -6.0 85 feed through attenuation (switch off) 2.25 -2.25 v in is centered at (v cc - v ee )/2 adjust input for 0 dbm r l = 600 , c l = 50 pf, f in = 1 khz sine wave -50 db 4.5 -4.5 -50 6.0 -6.0 -50 crosstalk (control input to signal output) 2.25 -2.25 adjust r l at set up so that i s = 0a. r l = 600 , c l = 50 pf, f in = 1 khz square wave 60 mv 4.5 -4.5 140 6.0 -6.0 200 crosstalk (between any two switches) 2.25 -2.25 adjust v in to obtain 0d bm at input r l = 600 , c l = 50 pf, f in = 1 khz sine wave -50 db 4.5 -4.5 -50 6.0 -6.0 -50 1. input common terminal, and measured at switch terminal. 2. input switch terminal, and m easured at common terminal. these characteristics are determ ined by the design of the device.
m74hc4051 maximum ratings 9/17 2.1 switching characteristics test circuit figure 6. output enable/disable time figure 7. crosstalk (control to output) figure 8. bandwidth and feedthrough attenuation figure 9. crosstalk between any two switches
maximum ratings m74hc4051 10/17 figure 11. switching caracteristics waveform figure 10. common terminal capacitance (c i-o , c i/o)
m74hc4051 maximum ratings 11/17 figure 12. channel resistance (r on ) figure 13. quiescent supply current - i cc (opr)
package mechanical data m74hc4051 12/17 3 package mechanical data in order to meet environmental requirements, st offers these devices in ecopack ? packages. these packages have a lead-free second level interconnect . the category of second level interconnect is marked on the package and on the inner box label, in compliance with jedec standard jesd97. the maximum ratings related to soldering conditions are also marked on the inner box label. ecopack is an st trademark. ecopack specifications are available at: www.st.com.
m74hc4051 package mechanical data 13/17 figure 14. plastic dip-16 (0.25) package information dim. mm. inch min. typ max. min. typ. max. a1 0.51 0.020 b 0.77 1.65 0.030 0.065 b 0.5 0.020 b1 0.25 0.010 d 20 0.787 e 8.5 0.335 e 2.54 0.100 e3 17.78 0.700 f 7.1 0.280 i 5.1 0.201 l 3.3 0. 130 z 1.27 0.050 plastic dip-16 (0.25) mechanical data p001c
package mechanical data m74hc4051 14/17 figure 15. so-16 package information dim. mm. inch min. typ max. min. typ. max. a1.750.06 8 a 1 0.1 0.25 0.004 0.010 a 2 1.64 0.06 3 b 0. 3 5 0.46 0.01 3 0.01 8 b 1 0.19 0.25 0.007 0.010 c 0.5 0.019 c1 45 (typ.) d9. 8 10 0. 38 50. 3 9 3 e5. 8 6.2 0.22 8 0.244 e 1.27 0.050 e 38 . 8 90. 3 50 f 3 . 8 4.0 0.149 0.157 g4.6 5. 3 0.1 8 10.20 8 l 0.5 1.27 0.019 0.050 m 0.62 0.024 s8 (m a x.) s o-16 mechanical data 0016020d
m74hc4051 package mechanical data 15/17 figure 16. tssop16 package information dim. mm. inch min. typ max. min. typ. max. a 1.2 0.047 a1 0.05 0.15 0.002 0.004 0.006 a2 0.8 1 1.05 0.031 0.039 0.041 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0079 d 4.9 5 5.1 0.193 0.197 0.201 e 6.2 6.4 6.6 0.244 0.252 0.260 e1 4.3 4.4 4.48 0.169 0.173 0.176 e 0.65 bsc 0.0256 bsc k0 808 l 0.45 0.60 0.75 0.018 0.024 0.030 tssop16 mechanical data c e b a2 a e1 d 1 pin 1 identification a1 l k e 0080338d
revision history m74hc4051 16/17 4 revision history table 10. document revision history date revision changes 01-jul-2001 1 initial release. 21-june-2004 2 document internal migration, no content change. 10-mar-2008 3 document restructured and conver ted to new st template, updated table 4 on page 5 , removed tube packing info. 21-apr-2008 4 replaced m74hc4051m13tr with m74hc4051rm13tr in ta b l e 1 on page 1 .
m74hc4051 17/17 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2008 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com

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