SN74CB3Q3257DBQR

Identity

• Manufacturer: TI(德州仪器)
• Model / MPN: SN74CB3Q3257DBQR
• LCSC: C7138
• Category: bus-switch
• Description: 4-bit 1-of-2 FET multiplexer/demultiplexer, 2.3V~3.6V, 4 channels, 4Ω Ron, 10.5pF Con, 6.5ns on, 6ns off, 20MHz.
• Source: EasyEDA/JLC verified common component seed
• Project designators: Not project-specific
• Project quantity per board: Not project-specific

Capabilities

• gpio: interface

Package And Footprint

• Package / footprint name: SSOP-16-4.4mm
• Pin count: 16
• EasyEDA symbol UUID: 7cfa6aade2ab471c97afadf70bc557e3
• EasyEDA footprint UUID: 5ad461650689455ab838a85bfd5f6099
• EasyEDA device UUID: 6c8ee5b5782b4294bd2ba5f120725861
• EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

• Active current: Passive part; no quiescent current.
• Sleep / standby current: Passive part; no quiescent current.
• Supply rails: Application-defined.
• Notes: Ratings are seeded from EasyEDA/LCSC properties when present; verify against datasheet for final design.

Procurement Classification

• JLC class: Extended Part
• JLC note / assembly basis: EasyEDA/JLC verified common logic, level-shifting, bus-interface, and analog-switch seed
• Assembly status: jlc_extended
• Price-break table: Not captured in seed. Store only timestamped price-break snapshots when intentionally refreshed.
• Live stock: intentionally not stored as durable selection data; refresh externally before ordering.

Datasheet And Links

• Datasheet / product URL: https://www.ti.com/cn/lit/gpn/sn74cb3q3257
• Product URL: https://www.ti.com/cn/lit/gpn/sn74cb3q3257
• Datasheet-derived notes: Not extracted yet. Use PDF extraction to fill power modes, absolute maximums, pin functions, package variants, and reference design requirements.

Selection Notes

• Good for: high-speed digital signal muxing, selectable buses, low-resistance routing, and compact interface switching
• Avoid when: Not captured yet.
• Known layout constraints: Verify package land pattern, decoupling requirements, thermal pad, RF keepouts, crystal routing, and boot straps from the datasheet.
• Equivalent search hints: match category bus-switch, interfaces gpio, package SSOP-16-4.4mm, and EasyEDA footprint UUID 5ad461650689455ab838a85bfd5f6099.

Search Keywords

seed:common-logic-interface-glue, source:easyeda-bridge, iot, common-pcb, logic, interface, glue, sn74cb3q3257, quad-2-to-1, bus-switch, mux, high-speed, ssop-16-4.4mm, jlc-extended, gpio, jlc_extended, jlc-note:easyeda-jlc-verified-common-logic-level-shifting-bus-interface-and-analog-switch-seed