| 制造商 | 部件名 | 数据表 | 功能描述 |
 Texas Instruments |
SN54ALS257A
|
139Kb / 9P |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
|
|
SN54F257
|
74Kb / 5P |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
|
|
SN54F258
|
75Kb / 5P |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
|
|
SN54HCT257
|
272Kb / 9P |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
|
 Hitachi Semiconductor |
HD74HC257
|
52Kb / 9P |
Quad. 2-to-1-line Data Selectors/Multiplexers(with noninverted 3-state outputs)
|
|
HD74HC258
|
55Kb / 9P |
Quad. 2-to-1-line Data Selectors/Multiplexers(with 3-state outputs)
|
 Texas Instruments |
SN54AHCT257
|
110Kb / 7P |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
|
|
SN54HC257
|
471Kb / 17P |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
|
 Renesas Technology Corp |
HD74HC257
|
106Kb / 8P |
Quad. 2-to-1-line Data Selectors/Multiplexers(with noninverted 3-state outputs)
|
 Texas Instruments |
SN54F258
|
79Kb / 5P |
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS
|