MC14555B, MC14556B Dual Binary to 1-of-4 Decoder/Demultiplexer The MC14555B and MC14556B are constructed with complementary MOS (CMOS) enhancement mode devices. Each Decoder/Demultiplexer has two select inputs (A and B), an active low Enable input (E), and four mutually exclusive outputs (Q0, Q1, Q2, Q3). The MC14555B has the selected output go to the "high" state, and the MC14556B has the selected output go to the "low" state. Expanded decoding such as binary-to-hexadecimal (1-of-16), etc., can be achieved by using other MC14555B or MC14556B devices. Applications include code conversion, address decoding, memory selection control, and demultiplexing (using the Enable input as a data input) in digital data transmission systems. * * * * * * http://onsemi.com MARKING DIAGRAMS 16 PDIP-16 P SUFFIX CASE 648 MC1455XBCP AWLYYWW 1 Diode Protection on All Inputs Active High or Active Low Outputs Expandable Supply Voltage Range = 3.0 Vdc to 18 Vdc All Outputs Buffered Capable of Driving Two Low-Power TTL Loads or One Low-Power Schottky TTL Load Over the Rated Temperature Range 16 SOIC-16 D SUFFIX CASE 751B 1455XB AWLYWW 1 16 SOEIAJ-16 F SUFFIX CASE 966 MC1455XB AWLYWW 1 MAXIMUM RATINGS (Voltages Referenced to VSS) (Note 2.) Symbol VDD Parameter Unit - 0.5 to +18.0 V - 0.5 to VDD + 0.5 V Input or Output Current (DC or Transient) per Pin 10 mA PD Power Dissipation, per Package (Note 3.) 500 mW TA Ambient Temperature Range - 55 to +125 Tstg Storage Temperature Range TL Lead Temperature (8-Second Soldering) Vin, Vout Iin, Iout DC Supply Voltage Range Value Input or Output Voltage Range (DC or Transient) X = Specific Device Code A = Assembly Location WL or L = Wafer Lot YY or Y = Year WW or W = Work Week ORDERING INFORMATION Package Shipping MC14555BCP PDIP-16 2000/Box C MC14555BD SOIC-16 48/Rail - 65 to +150 C MC14555BDR2 SOIC-16 2500/Tape & Reel 260 C MC14555BF SOEIAJ-16 See Note 1. 2. Maximum Ratings are those values beyond which damage to the device may occur. 3. Temperature Derating: Plastic "P and D/DW" Packages: - 7.0 mW/_C From 65_C To 125_C MC14555BFEL SOEIAJ-16 See Note 1. MC14556BCP PDIP-16 2000/Box MC14556BD SOIC-16 48/Rail This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit. For proper operation, Vin and Vout should be constrained to the range VSS (Vin or Vout) VDD. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either VSS or VDD). Unused outputs must be left open. MC14556BDR2 SOIC-16 2500/Tape & Reel MC14556BF SOEIAJ-16 See Note 1. MC14556BFEL SOEIAJ-16 See Note 1. v v Semiconductor Components Industries, LLC, 2000 March, 2000 - Rev. 3 Device 1 1. For ordering information on the EIAJ version of the SOIC packages, please contact your local ON Semiconductor representative. Publication Order Number: MC14555B/D MC14555B, MC14556B PIN ASSIGNMENTS MC14555B MC14556B EA 1 16 VDD EA 1 16 VDD AA 2 15 EB AA 2 15 EB BA 3 14 AB BA 3 14 AB Q0A 4 13 BB Q0A 4 13 BB Q1A 5 12 Q0B Q1A 5 12 Q0B Q2A 6 11 Q1B Q2A 6 11 Q1B Q3A 7 10 Q2B Q3A 7 10 Q2B VSS 8 9 Q3B VSS 8 9 Q3B TRUTH TABLE Inputs Enable Outputs Select MC14555B MC14556B E B A Q3 Q2 Q1 Q0 Q3 Q2 Q1 Q0 0 0 0 0 0 0 1 1 0 1 0 1 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 0 1 1 1 0 1 1 0 1 1 0 1 1 0 1 1 1 1 X X 0 0 0 0 1 1 1 1 X = Don't Care BLOCK DIAGRAM MC14555B 2 A 3 B 1 E 14 A 13 B 15 E MC14556B Q0 Q1 Q2 Q3 4 5 6 7 2 A 3 B 1 E Q0 Q1 Q2 Q3 12 11 10 9 14 A 13 B 15 E VDD = PIN 16 VSS = PIN 8 http://onsemi.com 2 Q0 Q1 Q2 Q3 4 5 6 7 Q0 Q1 Q2 Q3 12 11 10 9 MC14555B, MC14556B IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII ELECTRICAL CHARACTERISTICS (Voltages Referenced to VSS) Characteristic Output Voltage Vin = VDD or 0 Symbol - 55_C 25_C 125_C VDD Vdc Min Max Min Typ (4.) Max Min Max Unit "0" Level VOL 5.0 10 15 -- -- -- 0.05 0.05 0.05 -- -- -- 0 0 0 0.05 0.05 0.05 -- -- -- 0.05 0.05 0.05 Vdc "1" Level VOH 5.0 10 15 4.95 9.95 14.95 -- -- -- 4.95 9.95 14.95 5.0 10 15 -- -- -- 4.95 9.95 14.95 -- -- -- Vdc Input Voltage "0" Level (VO = 4.5 or 0.5 Vdc) (VO = 9.0 or 1.0 Vdc) (VO = 13.5 or 1.5 Vdc) VIL 5.0 10 15 -- -- -- 1.5 3.0 4.0 -- -- -- 2.25 4.50 6.75 1.5 3.0 4.0 -- -- -- 1.5 3.0 4.0 "1" Level VIH 5.0 10 15 3.5 7.0 11 -- -- -- 3.5 7.0 11 2.75 5.50 8.25 -- -- -- 3.5 7.0 11 -- -- -- 5.0 5.0 10 15 - 3.0 - 0.64 - 1.6 - 4.2 -- -- -- -- - 2.4 - 0.51 - 1.3 - 3.4 - 4.2 - 0.88 - 2.25 - 8.8 -- -- -- -- - 1.7 - 0.36 - 0.9 - 2.4 -- -- -- -- IOL 5.0 10 15 0.64 1.6 4.2 -- -- -- 0.51 1.3 3.4 0.88 2.25 8.8 -- -- -- 0.36 0.9 2.4 -- -- -- mAdc Input Current Iin 15 -- 0.1 -- 0.00001 0.1 -- 1.0 Adc Input Capacitance (Vin = 0) Cin -- -- -- -- 5.0 7.5 -- -- pF Quiescent Current (Per Package) IDD 5.0 10 15 -- -- -- 5.0 10 20 -- -- -- 0.005 0.010 0.015 5.0 10 20 -- -- -- 150 300 600 Adc IT 5.0 10 15 Vin = 0 or VDD (VO = 0.5 or 4.5 Vdc) (VO = 1.0 or 9.0 Vdc) (VO = 1.5 or 13.5 Vdc) Output Drive Current (VOH = 2.5 Vdc) (VOH = 4.6 Vdc) (VOH = 9.5 Vdc) (VOH = 13.5 Vdc) (VOL = 0.4 Vdc) (VOL = 0.5 Vdc) (VOL = 1.5 Vdc) Vdc Vdc IOH Source Sink Total Supply Current (5.) (6.) (Dynamic plus Quiescent, Per Package) (CL = 50 pF on all outputs, all buffers switching) mAdc IT = (0.85 A/kHz) f + IDD IT = (1.70 A/kHz) f + IDD IT = (2.60 A/kHz) f + IDD 4. Data labelled "Typ" is not to be used for design purposes but is intended as an indication of the IC's potential performance. 5. The formulas given are for the typical characteristics only at 25_C. 6. To calculate total supply current at loads other than 50 pF: IT(CL) = IT(50 pF) + (CL - 50) Vfk where: IT is in A (per package), CL in pF, V = (VDD - VSS) in volts, f in kHz is input frequency, and k = 0.002. http://onsemi.com 3 Adc MC14555B, MC14556B IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII SWITCHING CHARACTERISTICS (7.) (CL = 50 pF, TA = 25_C) Characteristic Symbol Output Rise and Fall Time tTLH, tTHL = (1.5 ns/pF) CL + 25 ns tTLH, tTHL = (0.75 ns/pF) CL + 12.5 ns tTLH, tTHL = (0.55 ns/pF) CL + 9.5 ns tTLH, tTHL Propagation Delay Time -- A, B to Output tPLH, tPHL = (1.7 ns/pF) CL + 135 ns tPLH, tPHL = (0.66 ns/pF) CL + 62 ns tPLH, tPHL = (0.5 ns/pF) CL + 45 ns tPLH, tPHL Propagation Delay Time -- E to Output tPLH, tPHL = (1.7 ns/pF) CL + 115 ns tPLH, tPHL = (0.66 ns/pF) CL + 52 ns tPLH, tPHL = (0.5 ns/pF) CL + 40 ns tPLH, tPHL VDD Min Typ (8.) Max 5.0 10 15 -- -- -- 100 50 40 200 100 80 5.0 10 15 -- -- -- 220 95 70 440 190 140 5.0 10 15 -- -- -- 200 85 65 400 170 130 Unit ns ns ns 7. The formulas given are for the typical characteristics only at 25_C. 8. Data labelled "Typ" is not to be used for design purposes but is intended as an indication of the IC's potential performance. INPUT E LOW 20 ns INPUT A HIGH, INPUT E LOW 20 ns 20 ns A INPUTS (50% DUTY CYCLE) 1 2f 90% 50% 10% VDD 20 ns VSS INPUT B VDD tPHL B INPUTS (50% DUTY CYCLE) VSS OUTPUT Q1 VOL VOH 90% 50% 10% OUTPUT Q3 MC14556B tTHL tPLH OUTPUT Q3 MC14555B VOH VOL Figure 2. Dynamic Signal Waveforms * Q0 A * Q1 B * Q2 * Q3 E 4 V tTLH OL tTHL LOGIC DIAGRAM (1/2 of Dual) http://onsemi.com VOH tPHL 90% 50% 10% tTLH * Eliminated for MC14555B VSS tPLH All 8 outputs connect to respective CL loads. f in respect to a system clock. Figure 1. Dynamic Power Dissipation Signal Waveforms VDD 90% 50% 10% MC14555B, MC14556B PACKAGE DIMENSIONS PDIP-16 P SUFFIX PLASTIC DIP PACKAGE CASE 648-08 ISSUE R -A- 16 9 1 8 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. B F C L S -T- SEATING PLANE K H G D M J 16 PL 0.25 (0.010) M T A M http://onsemi.com 5 DIM A B C D F G H J K L M S INCHES MIN MAX 0.740 0.770 0.250 0.270 0.145 0.175 0.015 0.021 0.040 0.70 0.100 BSC 0.050 BSC 0.008 0.015 0.110 0.130 0.295 0.305 0_ 10 _ 0.020 0.040 MILLIMETERS MIN MAX 18.80 19.55 6.35 6.85 3.69 4.44 0.39 0.53 1.02 1.77 2.54 BSC 1.27 BSC 0.21 0.38 2.80 3.30 7.50 7.74 0_ 10 _ 0.51 1.01 MC14555B, MC14556B PACKAGE DIMENSIONS SOIC-16 D SUFFIX PLASTIC SOIC PACKAGE CASE 751B-05 ISSUE J -A- 16 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION. 9 -B- 1 P 8 PL 0.25 (0.010) 8 M B S G R K F X 45 _ C -T- SEATING PLANE J M D 16 PL 0.25 (0.010) M T B S A S http://onsemi.com 6 DIM A B C D F G J K M P R MILLIMETERS MIN MAX 9.80 10.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 BSC 0.19 0.25 0.10 0.25 0_ 7_ 5.80 6.20 0.25 0.50 INCHES MIN MAX 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 BSC 0.008 0.009 0.004 0.009 0_ 7_ 0.229 0.244 0.010 0.019 MC14555B, MC14556B PACKAGE DIMENSIONS SOEIAJ-16 F SUFFIX PLASTIC EIAJ SOIC PACKAGE CASE 966-01 ISSUE O 16 LE 9 Q1 M_ E HE 1 L 8 DETAIL P Z D e VIEW P A A1 b 0.13 (0.005) c M 0.10 (0.004) http://onsemi.com 7 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS AND ARE MEASURED AT THE PARTING LINE. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 5. THE LEAD WIDTH DIMENSION (b) DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE LEAD WIDTH DIMENSION AT MAXIMUM MATERIAL CONDITION. DAMBAR CANNOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. MINIMUM SPACE BETWEEN PROTRUSIONS AND ADJACENT LEAD TO BE 0.46 ( 0.018). DIM A A1 b c D E e HE L LE M Q1 Z MILLIMETERS MIN MAX --- 2.05 0.05 0.20 0.35 0.50 0.18 0.27 9.90 10.50 5.10 5.45 1.27 BSC 7.40 8.20 0.50 0.85 1.10 1.50 10 _ 0_ 0.70 0.90 --- 0.78 INCHES MIN MAX --- 0.081 0.002 0.008 0.014 0.020 0.007 0.011 0.390 0.413 0.201 0.215 0.050 BSC 0.291 0.323 0.020 0.033 0.043 0.059 10 _ 0_ 0.028 0.035 --- 0.031 MC14555B, MC14556B ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. 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