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CD74ACT280M датащи(PDF) 1 Page - Texas Instruments |
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CD74ACT280M датащи(HTML) 1 Page - Texas Instruments |
1 / 5 page 1 Data sheet acquired from Harris Semiconductor SCHS250 Features • Buffered Inputs • Typical Propagation Delay - 10ns at VCC = 5V, TA = 25 oC, C L = 50pF • Exceeds 2kV ESD Protection MIL-STD-883, Method 3015 • SCR-Latchup-Resistant CMOS Process and Circuit Design • Speed of Bipolar FAST™/AS/S with Significantly Reduced Power Consumption • Balanced Propagation Delays • AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply • ±24mA Output Drive Current - Fanout to 15 FAST™ ICs - Drives 50 Ω Transmission Lines Pinout CD74AC280, CD74ACT280 (PDIP, SOIC) TOP VIEW Description The CD74AC280 and CD74ACT280 9-bit odd/even parity generator/checkers that utilize the Harris Advanced CMOS Logic technology. Bothe even and odd parity outputs are available for checking or generating parity for words up to nine bits long. Even parity is indicated ( ∑Eoutput 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 input of an additional AC/ACT280 parity checker. Functional Diagram I6 I7 NC I8 ∑E ∑O GND VCC I5 I4 I3 I2 I1 I0 1 2 3 4 5 6 7 14 13 12 11 10 9 8 Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. CD74AC280E 0 to 70oC, -40 to 85, -55 to 125 14 Ld PDIP E14.3 CD74ACT280E 0 to 70oC, -40 to 85, -55 to 125 14 Ld PDIP E14.3 CD74AC280M 0 to 70oC, -40 to 85, -55 to 125 14 Ld SOIC M14.15 CD74ACT280M 0 to 70oC, -40 to 85, -55 to 125 14 Ld SOIC M14.15 NOTES: 1. When ordering, use the entire part number. Add the suffix 96 to obtain the variant in the tape and reel. 2. Wafer and die for this part number is available which meets all elec- trical specifications. Please contact your local sales office or Harris customer service for ordering information. 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 August 1998 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. FAST™ is a Trademark of Fairchild Semiconductor. Copyright © Harris Corporation 1998 CD74AC280, CD74ACT280 9-Bit Odd/Even Parity Generator/Checker File Number 1957.1 |
Аналогичный номер детали - CD74ACT280M |
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Аналогичное описание - CD74ACT280M |
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