CMOS 四路 2 线至 1 线数据选择器/多路复用器
| Technology Family | CD4000 |
| Function | Digital Multiplexer |
| Configuration | 2:1 |
| Number of channels (#) | 4 |
| Operating temperature range (C) | -55 to 125 |
| Rating | Military |
- 3-state outputs
- Standardized, symmetrical output characteristics
- 100% tested for quiescent current at 20 V
- Maximum Input current of 1 μA at 18 V over full package temperature range:
100 nA at 18 V and 25°C - Noise Margin (over full package-temperature range):
?????1 V at VDD = 5 V
?????2 V at VDD = 10 V
?????2.5 V at VDD = 15 V - 5-V, 10-V, and 15-V parametric ratings
- Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices"
- Applications:
- Digital Multiplexing
- Shift-right/shift-left registers
- True/complement selection
CD40257B is a Data Selector/Multiplexer featuring three-state outputs which can interface directly with and drive data lines of bus-oriented systems.
The CD40257B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).
