54F280 - 9-Bit Parity Generator/Checker
(National Semiconductor)
54F 74F280 9-Bit Parity Generator Checker
Obsolete
August 1995
54F 74F280 9-Bit Parity Generator Checker
General Description
The ’F280 is a high-s.
54F280B - 9-Bit Parity Generators/Checkers
(Texas Instruments)
• Generates Either Odd or Even Parity for
Nine Data Lines
• Cascadable for N-Bits Parity • Package Options Include Plastic
Small-Outline Packages, Cer.
54F283 - 4-Bit Binary Full Adder
(National Semiconductor)
54F 74F283 4-Bit Binary Full Adder with Fast Carry
Obsolete
November 1994
54F 74F283 4-Bit Binary Full Adder with Fast Carry
General Description
T.
54F20 - Dual 4-Input NAND Gate
(National Semiconductor)
54F 74F20 Dual 4-Input NAND Gate
54F 74F20 Dual 4-Input NAND Gate
General Description
This device contains two independent gates each of which perfor.
54F20 - DUAL 4-INPUT POSITIVE-NAND GATES
(Texas Instruments)
SN54F20, SN74F20 DUAL 4-INPUT POSITIVE-NAND GATES
• Package Options Include Plastic
Small-Outline Packages, Ceramic Chip Carriers, and Standard Plast.
54F219 - 64-Bit Random Access Memory
(National Semiconductor)
Obsolete
54F 74F219 64-Bit Random Access Memory with TRI-STATE Outputs
November 1994
54F 74F219 64-Bit Random Access Memory with TRI-STATE Outputs
.