SN74CB3Q3125PWIn StockTexas Instruments
The SN74CB3Q3125PW is a quad 1-bit bus switch from Texas Instruments, featuring 5-Ω on-state resistance and support for 2.3V to 3.6V operation. It enables bidirectional signal switching with low power consumption, available from $0.50 in a 14-pin TSSOP package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74CB3Q3125PW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5000(MOQ 298)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Quad 1-bit bus switch with 5-Ω on-state resistance for minimal signal distortion
- Operates from 2.3V to 3.6V supply, also compatible with 3.3V systems
- Active-low enable control for easy integration into bus switching designs
- 14-pin TSSOP package for compact PCB layouts with low parasitic capacitance
- Supports 50 pF load capacitance with unidirectional control architecture
Applications
The SN74CB3Q3125PW is widely used in memory bus switching, data communication systems, and portable electronics where low-voltage signal routing is required. It is ideal for isolating or connecting data buses between processors and peripherals in embedded systems. Applications include USB multiplexing, DDR memory interfaces, and level-tolerant bus isolation in battery-powered devices.
Specifications
| Reach Compliance Code | Compliant |
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES WITH 3.3V SUPPLY |
| Control Type | ENABLE LOW |
| Count Direction | UNIDIRECTIONAL |
| Family | CB3Q/3VH/3C/2B |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Number of Bits | 1 |
| Number of Functions | 4 |
| Number of Ports | 2 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 4mA |
| Prop. Delay@Nom-Sup | 0.2ns |
| Propagation Delay (tpd) | 0.2ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.3V |
| Supply Voltage-Nom (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## SN74CB3Q3125PW Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74CB3Q3125PW:
suggested
suggested
Frequently Asked Questions
What is the operating voltage range of the SN74CB3Q3125PW?
The SN74CB3Q3125PW operates over a supply voltage range of 2.3V to 3.6V. It also supports operation with a 3.3V supply, making it compatible with a wide range of low-voltage digital systems.
What package does the SN74CB3Q3125PW come in?
The SN74CB3Q3125PW is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package), which provides a compact footprint suitable for space-constrained PCB designs.
What are typical applications for the SN74CB3Q3125PW?
This bus switch is commonly used in memory interface designs, USB signal multiplexing, data bus isolation between processors and peripherals, and portable consumer electronics that require low-power, low-voltage signal switching.
Are there alternative parts compatible with the SN74CB3Q3125PW?
Compatible alternatives include the SN74CB3Q3125 in other package options and similar CB3Q family bus switches from Texas Instruments. Pin-compatible devices from other manufacturers may also serve as drop-in replacements in 2.3V–3.6V designs.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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