Details, datasheet, quote on part number: MC14560BD
DescriptionNBCD Adder
CompanyMotorola Semiconductor Products
DatasheetDownload MC14560BD datasheet
Cross ref.Similar parts: CD40147B, CD4063B, CD4532B, CD4585B, CD74AC283, SN54F283, SN74F521
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Features, Applications

The MC14560B adds two 4­bit numbers in NBCD (natural binary coded decimal) format, resulting in sum and carry outputs in NBCD code. This device can also subtract when one set of inputs is complemented with a 9's Complementer (MC14561B). All inputs and outputs are active high. The carry input for the least significant digit is connected to VSS for no carry in.


Symbol VDD Vin, Vout Iin, Iout PD Tstg TL Parameter DC Supply Voltage Input or Output Voltage (DC or Transient) Input or Output Current (DC or Transient), per Pin Power Dissipation, per Package Storage Temperature Lead Temperature (8­Second Soldering) Value Unit 0.5 to VDD 150 260

Diode Protection on All Inputs Supply Voltage Range = 3.0 Vdc to 18 Vdc Capable of Driving Two Low­power TTL Loads or One Low­power Schottky TTL Load Over the Rated Temperature Range

* Maximum Ratings are those values beyond which damage to the device may occur. Temperature Derating: Plastic "P and D/DW" Packages: ­ 7.0 mW/_C From To 125_C Ceramic "L" Packages: ­ 12 mW/_C From To 125_C

* Partial truth table to show logic operation for representative input values.

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.

©MOTOROLA Motorola, Inc. 1994 1995 CMOS LOGIC DATA

#Data labelled "Typ" is not to be used for design purposes but is intended as an indication of the IC's potential performance. The formulas given are for the typical characteristics only 25_C. To calculate total supply current at loads other than 50 pF: IT(CL) = IT(50 pF) + (CL ­ 50) Vfk where: in µA (per package), CL in pF, V = (VDD ­ VSS) in volts, f in kHz is input frequency, and = 0.005.

Characteristic Output Rise and Fall Time tTLH, tTHL = (1.5 ns/pF) 25 ns tTLH, tTHL = (0.75 ns/pF) 12.5 ns tTLH, tTHL = (0.55 ns/pF) 9.5 ns Propagation Delay Time to S tPLH, tPHL = (1.7 ns/pF) 665 ns tPLH, tPHL = (0.66 ns/pF) 297 ns tPLH, tPHL = (0.5 ns/pF) B to Cout tPLH, tPHL = (1.7 ns/pF) 565 ns tPLH, tPHL = (0.66 ns/pF) 197 ns tPLH, tPHL = (0.5 ns/pF) 145 ns Cin to Cout tPLH, tPHL = (1.7 ns/pF) 465 ns tPLH, tPHL = (0.66 ns/pF) 187 ns tPLH, tPHL = (0.5 ns/pF) 135 ns Turn­Off Delay Time Cin to S tPLH = (1.7 ns/pF) 715 ns tPLH = (0.66 ns/pF) 197 ns tPLH = (0.5 ns/pF) 215 ns Turn­On Delay Time Cin to S tPHL = (1.7 ns/pF) 565 ns tPHL = (0.66 ns/pF) 197 ns tPHL = (0.5 ns/pF) 145 ns tPLH 10 15 tPHL ns Symbol VDD 10 15 tPLH, tPHL 450 ns Min Typ Max 80 ns Unit ns tTLH, tTHL

* The formulas given are for the typical characteristics only at 25_C. #Data labelled "Typ" is not to be used for design purposes but is intended as an indication of the IC's potential performance.

VOH ANY OUTPUT VOL Duty Cycle = 50% All outputs connected to respective CL loads f = System clock frequency ANY OUTPUT


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