My Inquiry
My Account
Nexperia USA Inc. 74CB3Q3253PWJ
- Part No.:
- 74CB3Q3253PWJ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
74CB3Q3253PWJ.pdf
- Description:
- IC MUX/DEMUX 2 X 4:1 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,883
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
74CB3Q3253 from Nexperia is a dual 1-of-4 FET bus switch with integrated charge pump, functioning as a high-bandwidth analog multiplexer/demultiplexer in signal routing paths. It supports 0 V to 5 V signal switching at VCC = 3.3 V or 2.5 V, delivers 4 Ω typical ON resistance, and operates across -40 °C to +85 °C for industrial bus isolation and memory interleaving.
For engineers reviewing the 74CB3Q3253 datasheet, 74CB3Q3253 pinout, 74CB3Q3253 application, or 74CB3Q3253 equivalent, key selection criteria include overvoltage switching capability (5.5 V max switch voltage), low 3.5 pF OFF-state capacitance, 20 MHz max switching frequency, and IOFF-enabled partial power-down operation.
Technical Context
The device implements two independent single-pole, quad-throw NMOS FET switches, each controlled by active-LOW nOE and two-bit binary select (S0/S1). An internal charge pump elevates the gate drive above VCC to maintain low RON and flat RON(flat) across the full 0–5 V signal range.
Each channel supports bidirectional signal flow with TTL/CMOS-compatible control inputs, IOFF protection during partial power-down, and ESD robustness per HBM >2000 V and CDM >1000 V. Switching is fully specified from 2.3 V to 3.6 V supply, with propagation delays under 6 ns and disable times under 6.1 ns.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 2.3 V to 3.6 V - enables direct interface with 2.5 V/3.3 V logic while supporting 5 V signal pass-through |
| Switch Voltage Range | 0 V to 5.5 V - allows interoperability between 3.3 V systems and legacy 5 V peripherals without level shifters |
| ON Resistance | 4 Ω (typical at VCC = 3.3 V) - minimizes insertion loss and signal attenuation in high-speed data paths |
| OFF-State Capacitance | 3.5 pF (typical) - reduces crosstalk and loading on adjacent channels during inactive states |
| Max Switching Frequency | 20 MHz - supports reliable time-division multiplexing in sensor arrays and memory address routing |
| Propagation Delay | ≤5.9 ns (VCC = 3.0–3.6 V) - ensures timing integrity in synchronous bus architectures with tight setup/hold windows |
| IOFF Leakage | ±1 μA (VCC = 0 V) - prevents back-powering and maintains isolation when upstream power rails are disabled |
Pinout & Package
TSSOP16 (SOT403-1) package: plastic thin shrink small outline, 16 leads, 4.4 mm body width, 0.65 mm lead pitch, surface-mount compatible with standard reflow profiles.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1OE, 2OE | Active-LOW output enable | Disables respective switch channel to high-impedance state when HIGH; enables bidirectional routing when LOW |
| S0, S1 | Binary channel select | Configures 1-of-4 path selection (L/L → B1, L/H → B2, H/L → B3, H/H → B4) per switch |
| 1A, 2A | Common I/O terminal | Shared connection point for all four switched paths in each of the two independent switch banks |
| 1B1–1B4, 2B1–2B4 | Independent I/O terminals | Four dedicated bidirectional signal ports per switch; support mixed-voltage signal routing without direction control |
| VCC | Supply voltage input | Powers internal logic and charge pump; sets operating voltage domain for control inputs and switch biasing |
| GND | Ground reference | 0 V reference for all voltage measurements, ESD discharge path, and substrate bias for NMOS pass transistors |
Key Features
| Feature | Design Value |
|---|---|
| Integrated charge pump | Elevates NMOS gate voltage above VCC to sustain low RON and flat RON(flat) across full 0–5 V signal swing |
| Overvoltage signal switching | Supports 0–5 V signals with VCC = 2.5 V or 3.3 V - eliminates need for external level translators in mixed-voltage systems |
| IOFF partial power-down | Blocks current flow between I/O pins when VCC = 0 V - prevents back-driving and system-level leakage during standby |
| Low OFF-state capacitance | 3.5 pF typical - minimizes capacitive coupling between inactive channels, critical for high-density PCB layouts |
| TTL/CMOS-compatible controls | Accepts 5 V or 3.3 V logic inputs directly - simplifies interface with heterogeneous controller families without buffering |
Applications
| Communication Infrastructure | Bus Isolation |
|---|---|
Use Scenario: Signal routing between baseband processors and multi-standard RF transceivers in 5G small cell units. IC Role / Device Role / Timing Role: Dual-channel analog MUX routes differential clock and data pairs between PHY layers while maintaining impedance continuity. Use Value: 4 Ω RON and 3.5 pF COFF preserve signal integrity up to 20 MHz, enabling clean TDD/FDD mode switching without added jitter. |
Use Scenario: Isolating PCIe Gen3 lanes during hot-plug events in server backplanes. IC Role / Device Role / Timing Role: Bidirectional bus switch disconnects downstream devices during power sequencing to prevent ground bounce and supply rail collapse. Use Value: IOFF support ensures zero leakage current when VCC is unpowered, meeting PCIe CEM v5.0 isolation requirements. |
| Memory Interleaving | Sensor Multiplexing |
Use Scenario: Address/data line sharing between dual LPDDR4x memory banks in edge AI accelerators. IC Role / Device Role / Timing Role: High-speed analog switch enables time-sliced access to shared memory controllers without latch-up risk. Use Value: ≤5.9 ns propagation delay and 20 MHz fmax allow sub-50 ns slot allocation, matching LPDDR4x tCK min of 500 ps. |
Use Scenario: Consolidating outputs from 8 temperature/humidity sensors onto a single ADC input in HVAC control modules. IC Role / Device Role / Timing Role: Dual 1-of-4 MUX sequentially connects sensor bridges to precision sigma-delta converter. Use Value: 0–5 V signal range accommodates both 3.3 V ratiometric sensors and 5 V analog-output variants without gain adjustment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar FET bus switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74CBT3253PWR | No internal charge pump; RON = 6 Ω typical at VCC = 3.3 V; max switch voltage = 3.6 V | Limited to 3.3 V-only signal domains; unsuitable for 5 V peripheral interfacing | Select only when system operates exclusively at 3.3 V and cost sensitivity outweighs overvoltage flexibility |
| 74LVC1G3157GW | Single-channel 1-of-2 switch; no charge pump; RON = 5 Ω typical; max switch voltage = 5.5 V | Half the channel count; requires two devices for dual 1-of-4 functionality; higher board area | Choose when space-constrained designs need minimal footprint and only one switch bank is required |
Compared with SN74CBT3253PWR and 74LVC1G3157GW, the 74CB3Q3253 uniquely combines dual 1-of-4 topology, charge-pump-enhanced 5 V signal switching at 3.3 V VCC, and industry-leading 3.5 pF COFF - making it optimal for compact, mixed-voltage routing where channel density and signal fidelity are co-critical.
Availability
74CB3Q3253 is available at Aetrix Electronics and suitable for communication infrastructure, bus isolation, memory interleaving, and sensor multiplexing requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for 74CB3Q3253 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Nexperia is a leading semiconductor manufacturer specializing in high-performance logic, analog, and discrete components, with global manufacturing and R&D centers focused on reliability and energy efficiency.
The 74CB3Q series targets high-speed, low-distortion signal routing in industrial and communications equipment, emphasizing overvoltage tolerance, low capacitance, and robust ESD performance in compact packages.
FAQ
Can the 74CB3Q3253 switch 5 V signals while powered at 2.5 V?
Yes. The internal charge pump enables full 0 V to 5 V signal switching at VCC = 2.5 V or 3.3 V, as confirmed in Section 2 of the datasheet. This eliminates external level-shifting circuitry when interfacing 3.3 V controllers with 5 V peripherals, provided switch voltage remains within the absolute maximum rating of +7.0 V.
What is the purpose of the IOFF feature?
IOFF disables current flow between I/O pins when VCC = 0 V, preventing back-powering of powered-down sections and reducing system-level leakage. Measured at ±1 μA (Section 10, Table 6), it supports safe partial power-down modes in battery-backed or hot-swap systems without requiring additional isolation components.
Does the 74CB3Q3253 support bidirectional signal flow?
Yes. All I/O terminals (1A/1B1–1B4 and 2A/2B1–2B4) are fully bidirectional with no inherent directionality. Signal routing depends solely on OE and select logic states, enabling use as either multiplexer or demultiplexer in the same physical configuration without redesign.
How does the charge pump affect power consumption?
The charge pump draws negligible additional current - total ICC remains 0.4 mA typical (Table 6) at VCC = 3.3 V. Its operation is self-contained and gated by switch activity, contributing no static overhead while delivering improved RON and RON(flat) performance essential for high-fidelity analog switching.
74CB3Q3253PWJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74CB
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Multiplexer/Demultiplexer
- Circuit:
- 2 x 4:1
- Independent Circuits:
- 1
- Current - Output High, Low:
- -
- Voltage Supply Source:
- Single Supply
- Voltage - Supply:
- 2.3V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
74CB3Q3253PWJ FAQ
1.How can I place an order for 74CB3Q3253PWJ through Aetrix?
Please submit a Request for Quotation (RFQ) for 74CB3Q3253PWJ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 74CB3Q3253PWJ reliable?
The price and inventory of 74CB3Q3253PWJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74CB3Q3253PWJ is usually 5 days.
3.What payment methods are accepted for 74CB3Q3253PWJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74CB3Q3253PWJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74CB3Q3253PWJ?
74CB3Q3253PWJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74CB3Q3253PWJ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 74CB3Q3253PWJ?
For technical support, including 74CB3Q3253PWJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74CB3Q3253PWJ requirements.
6.How does Aetrix verify that 74CB3Q3253PWJ is sourced from the original manufacturer or authorized distributors?
All 74CB3Q3253PWJ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 74CB3Q3253PWJ meets industry standards.
7.What is the process for return or replacement of 74CB3Q3253PWJ?
All 74CB3Q3253PWJ units undergo pre-shipment inspection (PSI). If there is an issue with 74CB3Q3253PWJ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 74CB3Q3253PWJ part is unused and in its original packaging.
Return procedure for 74CB3Q3253PWJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74CB3Q3253PWJ Tags
-
SN74HC138DR
Texas Instruments
-
TC7SB3157CFU,LF(CT
Toshiba Semiconductor and Storage
-
74CBTLV3257PW,118
Nexperia USA Inc.
-
SN74CBTLV3257PWR
Texas Instruments
-
74CBTLV3257GUX
Nexperia USA Inc.
-
74HC154BQ,118
Nexperia USA Inc.
-
P3S0200GMX
NXP USA Inc.
-
SN74CB3Q3245PWR
Texas Instruments
-
SN74CB3Q3257RGYR
Texas Instruments
-
TCA9543APWR
Texas Instruments
-
TCA9546APWR
Texas Instruments
-
SN74HC138N
Texas Instruments
Tech Hub
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
