Renesas / IDT QS3VH244QG, Bus Switch, 1 x 4:1, 2.3V–3.6V single supply, 2 independent circuits, -40°C to 85°C, 20-SSOP (0.154", 3.90mm Width), Surface Mount.
| Parameter | Value |
|---|---|
| Type | Bus Switch |
| Series | 3VH |
| Mounting | Surface Mount |
| Supply voltage | 2.3V ~ 3.6V |
| Voltage supply source | Single Supply |
| Operating temperature | -40°C ~ 85°C |
| Circuit | 1 x 4:1 |
| Package | Bulk |
| Case | 20-SSOP (0.154\", 3.90mm Width) |
| Independent circuits | 2 |
With two separate 1 x 4:1 circuits, this part can route two different data buses independently — think of it as two SPDT-style switches on one die, each with its own enable. That saves board area compared to using two single-bus-switch ICs, and the 20-pin SSOP footprint is small enough to fit on a dense mixed-signal card. Each section passes signals rail-to-rail with minimal propagation delay, typical for a bus switch of this class.
Within the same 3VH bus-switch family, the QS3VH257PAG is a 4 x 2:1 mux/demux bus switch in a different circuit configuration — it is not a pin-for-pin drop-in but serves a similar signal-routing role. For a direct 1 x 4:1 replacement, stick with the QS3VH244QG.