INTERSIL CD54AC280

CD54AC280/3A
CD54ACT280/3A
S E M I C O N D U C T O R
June 1997
COMPLETE DATA SHEET
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9-Bit Odd/Even Parity Generator/Checker
Description
Functional Diagram
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 parity outputs are available for checking or generating parity
words up to nine bits long. Even parity is indicated (∑E output 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.
I0
I1
I2
I3
I5
I6
ACT INPUT LOAD TABLE
I8
All
1.43
10
5
11
∑ EVEN
12
I7
UNIT LOAD (NOTE 1)
9
I4
The CD54AC280/3A and CD54ACT280/3A are supplied in
14 lead dual-in-line ceramic packages (F suffix).
INPUT
8
6
13
∑ ODD
1
2
4
GND = 7
VCC = 14
NC = 3
NOTE:
1. Unit load is ∆ICC limit specified in DC Electrical Specifications
Table, e.g., 2.4mA Max at +25oC.
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
3905
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