CD4051B, CD4052B, CD4053B
SCHS0470 – AUGUST 1998 – REVISED MAY 2026
TEXAS INSTRUMENTS
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8 Application and Implementation
8.1 Application Information
8.2 Typical Application
Figure 8-1. The CD4051B Being Used to Help Read Button Presses on a Keypad
CD4051
Input
Microcontroller
Channel Select
3.3 V
5V
VDD
VEE
VSS
Pull-down resistors (10kΩ)
1 TBD A42 N / A for Pkg Type -55 to 125 CD4051BF CD4051BF3A ACTIVE CDIP J 16 1 TBD A42 N / A for Pkg Type -55 to 125 CD4051BF3A CD4051BM ACTIVE SOIC D 16 40 Green (RoHS CU NIPDAU Level-1-260C-UNLIM -55 to 125 CD4051BM & no Sb/Br) CD4051BM96 ACTIVE
CD54/74HC4051, CD54/74HCT4051, CD54/74HC4052, CD74HCT4052, Data sheet acquired from Harris Semiconductor SCHS122I CD54/74HC4053, CD74HCT4053 High-Speed CMOS Logic November 1997 - Revised July 2004 Analog
CD54/74HC4051, CD54/74HCT4051, CD54/74HC4052, CD74HCT4052, Data sheet acquired from Harris Semiconductor SCHS122I CD54/74HC4053, CD74HCT4053 High-Speed CMOS Logic November 1997 - Revised July 2004 Analog
CD4051B, CD4052B, CD4053B Data sheet acquired from Harris Semiconductor August 1998 - Revised October 2003 SCHS047G Features The CD4051B is a single 8-Channel multiplexer having three binary control inputs
CorporatDS005662 www.fairchildsemi.com C B Connection Diagrams 3 Pin Assignments for DIP and SOIC 0 4 CD4051BC CD4052BC D C C B 2 5 4 D C C 1 5 0 CD4053BC 4 D C Truth Table INPUT STATES “ON” CHANNELS INHIBIT C B A CD4051B CD4052B CD4053B 0 0 0 0 0 0X, 0Y cx, bx, ax 0 0 0 1 1 1X, 1Y cx, bx, ay 0 0 1 0 2
t n f h g w f e i i o p e L R t t t t t t A B B B B B B A X4 6Pin Tasten 30 - 500 1 2 3 4 5 6 1 D CD4051 470-1050 D A 11 PCF8574 Low 1,5V V 10 B 100 µA * 2000 = 0,2 V C 9 13 X0 14 X1 X 3 15 6 X2 INH 12 X3 1 X4 5 X5 IN7 2 X6 S E IN8 4 X7 S E V V 8 7 CD4051B IC2 X1 a2 b2 RS 1 2 RW EN 3 4 BtUp Button B
5.4 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)(1)
MIN NOM MAX UNIT
VCC Supply voltage range (TA = full package temperature range)(2) CD54 and 74HC types 2 6 V
CD54 and 74HCT types 4.5 5.5
VCC - VEE Supply voltage range (TA = full package temperature range) CD54 and 74HC types, CD54 and 74HCT types 2 10 V
VEE Supply voltage range (TA = full package temperature range)(3) CD54 and 74HC types, CD54 and 74HCT types 0 -6 V
VI DC input control voltage 0 VCC V
VIS Analog switch I/O voltage VEE VCC V
(2) All voltages referenced to GND unless otherwise
1972 specifications pub- / with a single supply near or below +2V, although as lished by RCA for the CD4051/CD4052/CD4053. These M supply voltage decreases, switch on-resistance designations differ from the standard Maxim switch and A becomes very high. mux designations found on other Maxim data sheets (including the MAX4051/MAX4052/MAX4053) and may X Overvoltage Protection cause confusion. Designers who feel more comfortable 4 Proper power-supply sequencing is recommended for with Maxim’s standard designations are advised
Handtakt-Eingabe T Schreitaster S Programmanfang P Zurücksetzen R 2x 4-Bit-Zähler als Programmzähler 2x CD 4029 Preset Reset Takt Langsamtakt Schnelltakt HI, LI, ST NE 555; Programm-adresse (PA) JUMP 2x 2112 Eingabe-tastatur 2x 256x4-Bit-RAM als Programmspeicher E/A-Adressen Befehle (B) 1-Bit CPU MC 14500
effective offset in threshold and reduced input noise immunity. Understanding Buffered and Unbuffered CD4xxxB Series Device Characterist3cs SCHA004 A Output B OR A A Output Output B B (a) Buffered – CD4001B (b) Unbuffered – CD4001UB 92CS-28330 Figure 1. Buffered (CD4001B) and Unbuffered (CD4001UB) Two-Input
Characteristics CASE 648 Low–noise – 12 nV/÷Cycle , f ↓ 1.0 kHz Typical Pin–for–Pin Replacement for CD4051, CD4052, and CD4053 D SUFFIX For 4PDT Switch, See MC14551B SOIC ÎÎÎÎÎÎFor Lower RÎÎON , Use the HC4051, HC4052, or HC4053 High–Speed CASE 751B CMOS Devices ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS*
Characteristics CASE 648 Low–noise – 12 nV/÷Cycle , f ↓ 1.0 kHz Typical Pin–for–Pin Replacement for CD4051, CD4052, and CD4053 D SUFFIX For 4PDT Switch, See MC14551B SOIC ÎÎÎÎÎÎFor Lower RÎÎON , Use the HC4051, HC4052, or HC4053 High–Speed CASE 751B CMOS Devices ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS*
************** ; 1-wire-2051.a51 - V1(21.11.2009) ; Temperaturmessung mit LED Anzeige ; MC = AT89C4051, Quarz = 22 MHz ; Sensor an Port 3.3 ; LED an Port 3.4,3.5,3.6 - Daten an Port 1 ; Hauptproblem war das Timing in der "1_wire_22.inc" und die Beachtung, ; dass in den Routinen write-byte und read-byte
100V TLV272 Temp. 8SMDn IC8 Ausgang des Miller-Integrators wieder Ruhepotential führt. Endstufe T 2 K CD4051 6 K R 1 - +5V Multiplexer + 7 Vom Prozessor wird die Zeit, die zum Aufintegrieren benötigt R38 B -2.5V Ref 100K 5 + 16 IC7 C50 wird, genau erfasst. Aus dem Verhältnis der Zeiten für das S C47 D17 C48 TLV272 T 2 . 3 1 CD4051 100n Ab- und Aufintegrieren und den verwendeten Vorwiderstän- - 100n / 100n R 8 SMD Temp. 8 SMD 8 SMD Trafo T M den kann exakt die anliegende Spannung ermittelt werden. K L Für jeden Messkanal wiederholt
SMD R10 SMD 9 14 -5V C14 Thermo- 1k - D + / C15 C16 C20 7 0 D BC848 element ST2 C8 C9 SMD/1% 8 0 %D CD4051 C + 8 12 + 2 R 1 S SMD k D R 1 1S 10 TL084 l 100n 100n 100n 10n 2 0 M R 0 M + SMD a SMD SMD SMD SMD R 1 S 1 S 100n 100n TL084 SMD R18 r SMD SMD 1k SMD u j ST5 -5V V L Potentialausgleich Differenzverstarker
TA21 16 8 8 16 3 6 9 C E Standby U I P I 3 1 2 C311 C310 C308 C312 I 30 5 I 30 6 IC 307 I 30 8 C329 CD 4051 LC 168 FM 24 04 CD 4052 TA 2 TA5 TA8 TA11 TA14 TA17 TA20 TA22 2 - SM D 100n SMD 100n SM D 100n SMD 100n 1 8 SM D 5 SM D 4 SMD 8 SM D SMD A + 3 + 0 1 k D 2 5 8 Entr R emote M emory Lock TLC272 3
100V TLV274 Temp. 8 100n IC5 +5V ((3520▯]XU▯6SHLFKHUXQJ▯YRQ▯QLFKW▯À FK- Y SMD 1 13 Endstufe K 6 0 CD4051 - R 1 Multiplexer tigenDatenwiez.B.dieAbgleichparameter + 14 R67 D 16 und die individuellen Spannungs- und -2.5V Ref 100K 12 + IC6 2 Stromeinstellungen vorhanden. Der Pro- S C47 D16 C48 8 TLV274 CD4051 C50 T 2 . 6 K 8 zessortaktwirdmitdemKeramikresonator - / R 1 1 100n 5 100n 100n Temp. Y SMD 3 SMD SMD Q 200 erzeugt. Trafo K M L Die Kommunikation zwischen den bei- den Controllern erfolgt über insgesamt
FPREG to variable 1685 0CD1 E1 POP HL ; Restore input pointer 1686 0CD2 2B LTSTND: DEC HL ; DEC 'cos GETCHR INCs 1687 0CD3 CD 13 09 CALL GETCHR ; Get next character 1688 0CD6 CA DE 0C JP Z,MORDT ; End of line - More needed? 1689
JCO V J OLO CD V / LU 03 O LU e 7 XTAL1 P20 15 i l l ADO < CD <£ CD c CD < CD < CD t 6 P21 17 [1]] ADI m m i j m m '! m o XTAL2 P22 18 [1] AD2 o o o o o o o o c +5V P24 1 [ 2 ] COLO h A 5 +5V <o P25 2 [[2 ] C0L1 CM
the specified download source and create the firmware CD. 19 RX-V667/HTR-6063/RX-A700 ● Connection 3 0 Connect this unit and BD/DVD/CD player as shown below. (Fig. 1) - 0 T 7 / - 6 X Example of OPTICAL jack V R X R This unit BD/DVD/CD player Optical cable
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