SN74HC258
- Wide operating voltage range of 2 V to 6 V
- High-current inverting outputs can drive up to 15 LSTTL loads
- Low power consumption, 80-µA max ICC
- HC257 typical tpd = 9 ns
- HC258 typical tpd = 12 ns
- ±6-mA output drive at 5 V
- Low input current of 1 µA max
- Provides bus interface from multiple sources in high-performance systems
The SNx4HC257 and 258 contain four data selectors/ multiplexers to select one of two data sources. All channels are controlled by the same address select (A/B) input, and active-low strobe (G) input. A high level at the G terminal forces all outputs into the high-impedance state. The 257 has non-inverted outputs and the 258 has inverted outputs.
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| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | SN54HC257, SN54HC258, SN74HC257, SN74HC258 datasheet (Rev. C) | 1982/12/1 |