| 制造商 | 部件名 | 数据表 | 功能描述 |
 Renesas Technology Corp |
HD74LS280FPEL
|
174Kb/6P |
9-bit Odd / Even Parity Generator / Checker
|
|
HD74LS280P
|
174Kb/6P |
9-bit Odd / Even Parity Generator / Checker
|
 Hitachi Semiconductor |
HD74LS283
|
81Kb/7P |
4-bit Binary Full Adders
|
|
HD74LS283
|
6Mb/273P |
Ouadruple 2-input Positive NAND Gates
|
 Renesas Technology Corp |
HD74LS283
|
101Kb/8P |
4-bit Binary Full Adder
|
|
HD74LS283FPEL
|
101Kb/8P |
4-bit Binary Full Adder
|
|
HD74LS283P
|
101Kb/8P |
4-bit Binary Full Adder
|
 Hitachi Semiconductor |
HD74LS20
|
42Kb/5P |
Dual 4-input Positive NAND Gates
|
|
HD74LS20
|
6Mb/273P |
Ouadruple 2-input Positive NAND Gates
|
 Renesas Technology Corp |
HD74LS20
|
66Kb/6P |
Dual 4-input Positive NAND Gates
|
|
HD74LS20FPEL
|
66Kb/6P |
Dual 4-input Positive NAND Gates
|
|
HD74LS20P
|
66Kb/6P |
Dual 4-input Positive NAND Gates
|
|
HD74LS20RPEL
|
66Kb/6P |
Dual 4-input Positive NAND Gates
|
 Hitachi Semiconductor |
HD74LS21
|
43Kb/5P |
Dual 4-input Positive AND Gates
|
|
HD74LS21
|
6Mb/273P |
Ouadruple 2-input Positive NAND Gates
|
 Renesas Technology Corp |
HD74LS21
|
55Kb/5P |
Dual 4-input Positive AND Gates
|
|
HD74LS21FPEL
|
55Kb/5P |
Dual 4-input Positive AND Gates
|
|
HD74LS21P
|
55Kb/5P |
Dual 4-input Positive AND Gates
|
 Hitachi Semiconductor |
HD74LS22
|
44Kb/5P |
Dual 4-input Positive NAND Gates(with Open Collector Ouputs)
|
|
HD74LS22
|
6Mb/273P |
Ouadruple 2-input Positive NAND Gates
|