CD54AC244/3A CD54ACT244/3A S E M I C O N D U C T O R COMPLETE DATA SHEET COMING SOON! June 1997 Description Octal Buffer/Line Driver Three-State, Non-Inverting Functional Diagram The CD54AC244/3A and CD54ACT244/3A are three-state octal buffer/line drivers that utilize the Harris Advanced CMOS Logic technology. These devices have active-LOW output enables (1OE, 2OE) 1A0 1A1 1A2 The CD54AC244/3A and CD54ACT244/3A are supplied in 20 lead dual-in-line ceramic packages (F suffix). 1A3 ACT INPUT LOAD TABLE 2A0 INPUT UNIT LOAD (NOTE 1) nA0 - A3 0.5 1OE 0.83 2OE 0.83 2A1 2A2 2A3 2 18 4 16 6 14 8 12 11 9 13 7 15 5 17 3 1Y0 1Y1 1Y2 1Y3 2Y0 2Y1 2Y2 2Y3 1 NOTE: 1OE 1. Unit load is ∆ICC limit specified in DC Electrical Specifications Table, e.g., 2.4mA Max at +25oC. 2OE 19 VCC = 20 GND = 10 Absolute Maximum Ratings DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +6V DC Input Diode Current, IIK For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . . .±20mA DC Output Diode Current, IOK For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . .±50mA DC Output Source or Sink Current, Per Output Pin, IO For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . . .±50mA DC VCC or GND Current, ICC or IGND For Up to 4 Outputs Per Device, Add ±25mA For Each Additional Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .±100mA Power Dissipation Per Package, PD TA = -55oC to +100oC (Package F) . . . . . . . . . . . . . . . . . . 500mW TA = +100oC to +125oC (Package F) . . . . . . . . Derate Linearly at 8mW/ oC to 300mW Operating Temperature Range, TA Package Type F . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to +125oC Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . -65oC to +150oC Lead Temperature (During Soldering) At Distance 1/16in. ± 1/32in. (1.59mm ± 0.79mm) From Case For 10s Max . . . . . . . . . . . . . . . . . . . . . . . . . . +265oC Unit Inserted Into a PC Board (Min Thickness 1/16in., 1.59mm) With Solder Contacting Lead Tips Only. . . . . . . . . . . . . . . +300oC CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Recommended Operating Conditions Operating Temperature, TA . . . . . . . . . . . . . . . . . . . -55oC to +125oC Input Rise and Fall Slew Rate, dt/dv at 1.5V to 3V (AC Types) . . . . . . . . . . . . . . . . . . . 0ns/V to 50ns/V at 3.6V to 5.5V (AC Types) . . . . . . . . . . . . . . . . . 0ns/V to 20ns/V at 4.5V to 5.5V (AC Types) . . . . . . . . . . . . . . . . . 0ns/V to 10ns/V Supply Voltage Range, VCC Unless Otherwise Specified, All Voltages Referenced to GND TA = Full Package Temperature Range CD54AC Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.5V to 5.5V CD54ACT Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5V to 5.5V DC Input or Output Voltage, VI, VO . . . . . . . . . . . . . . . . . . 0V to VCC CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures. Copyright © Harris Corporation 1994 1 File Number 3900