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74CB3Q3253
Dual 1-of-4 FET multiplexer/demultiplexer with charge pump
Rev. 2 — 28 June 2021
Product data sheet
1. General description
The 74CB3Q3253 is a dual high-bandwidth single-pole, quad-throw FET bus switch. Each switch features a select input (Sn) and an output enable input (nOE). The switch is disabled when the nOE input is HIGH. An internal charge-pump increases the gate voltage of the NMOS pass transistor. The result is improved RON and RON(flat) performance and the ability to switch 5 V signals when VCC = 3.3 V.
2. Features and benefits
• Wide supply voltage range from 2.3 V to 3.6 V • Overvoltage switching on switch ports:
• 0 V to 5 V switching with VCC = 2.5 V • 0 V to 5 V switching with VCC = 3.3 V • Switch voltage accepts signals up to 5.
74CB3Q3253 Datasheet
