Description
The CD40109B contains four low-to-high-voltage level-shifting circuits. Each circuit will shift a low-voltage digital-logic input signal (A, B, C, D) with logical 1 = VCC and logical 0 = VSS to a higher-voltage output signal (E, F, G, H) with logical 1 = VDD and logical 0 = VSS.
Technical Specification:
- VCC(Max): 18V
- Rating: Catalog
- Schmitt Trigger: No
- Output Drive (IOL/IOH)(Max): 4.2/-4.2mA
- VCC(Min): 3V
- Voltage(Nom): 5,10,15V
- Bits(#): 4
- Operating Temperature Range: -55°C to 125°C
- ICC @ Nom Voltage(Max)(mA): 0.001
- Technology Family: CD4000
Features:
- Independence of power supply sequence considerations - VCC can exceed VDD, input signals can exceed both VCC and VDD
- Up and down level-shifting capability
- Three-state outputs with separate enable controls
- Standardized, symmetrical output characteristics
Applications:
- High-or-low level-shifting with three-state outputs for unidirectional or bidirectional bussing
- Isolation of logic subsystems using separate power supplies from supply sequencing, supply loss and supply regulation considerations