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CD54AC280 Datasheet(PDF) 1 Page - Intersil Corporation |
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CD54AC280 Datasheet(HTML) 1 Page - Intersil Corporation |
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1 / 1 page  CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper I.C. Handling Procedures. Copyright © Harris Corporation 1994 1 SEMICONDUCT OR CD54AC280/3A CD54ACT280/3A 9-Bit Odd/Even Parity Generator/Checker Functional Diagram 8 9 10 11 13 2 1 12 5 6 ∑ ODD ∑ EVEN I0 I1 I2 I3 I5 I6 I7 I4 4 I8 GND = 7 VCC = 14 NC = 3 Description The CD54AC280/3A and CD54ACT280/3A are 9-bit odd/ even parity generator/checkers that utilize the Harris Advanced CMOS Logic technology. Both even and odd par- ity outputs are available for checking or generating parity words up to nine bits long. Even parity is indicated ( ∑E out- put is HIGH) when an even number of data inputs is HIGH. Odd parity is indicated ( ∑O output is HIGH) when an odd number of data inputs is HIGH. Parity checking for words larger than nine bits can be accomplished by tying the ∑E output to any output of an additional AC/ACT280 parity checker. The CD54AC280/3A and CD54ACT280/3A are supplied in 14 lead dual-in-line ceramic packages (F suffix). ACT INPUT LOAD TABLE INPUT UNIT LOAD (NOTE 1) All 1.43 NOTE: 1. Unit load is ∆I CC limit specified in DC Electrical Specifications Table, e.g., 2.4mA Max at +25oC. June 1997 File Number 3905 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 = -55 oC to +100oC (Package F) . . . . . . . . . . . . . . . . . . 500mW TA = +100 oC to +125oC (Package F) . . . . . . . . Derate Linearly at 8mW/oC to 300mW Operating Temperature Range, TA Package Type F . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to +125oC Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . -65 oC 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 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 Operating Temperature, TA . . . . . . . . . . . . . . . . . . . -55 oC 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 COMING SOON! COMPLETE DATA SHEET |
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