DM74S280N Fairchild Semiconductor, DM74S280N Datasheet - Page 2

• Manufacturer Part Number: DM74S280N
• Description: IC GENERATOR/CHECKER 9BIT 14-DIP
• Manufacturer: Fairchild Semiconductor
• Series: 74Sr

Specifications of DM74S280N

• Logic Type: Parity Generator/Checker
• Number Of Circuits: 3
• Current - Output High, Low: 1mA, 20mA
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74S280; 74S280N

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Logic Diagram
Typical Applications
Three DM74S280’s can be used to implement a 25-line
parity generator/checker. This arrangement will provide
parity in typically 25 ns. (See Figure 1.)
FIGURE 1. 25-Line Parity/Generator Checker
2
Longer word lengths can be implemented by cascading
DM74S280’s. As shown in Figure 2, parity can be gener-
ated for word lengths up to 81 bits in typically 25 ns.
FIGURE 2. 81-Line Parity/Generator Checker