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Nexperia USA Inc. 74HC257D,652
- Part No.:
- 74HC257D,652
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
74HC257D,652.pdf
- Description:
- IC MULTIPLEXER 4 X 2:1 16SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,294
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Product details
Overview
74HC257D,652 from Nexperia is a quad 2-input CMOS multiplexer with 3-state outputs in SO16 (SOT109-1) package, operating from 2.0 V to 6.0 V supply, featuring 13 ns typical propagation delay at 4.5 V, ±35 mA output drive, and -40 °C to +125 °C temperature range - used for bus-selective data routing in industrial control logic.
For engineers reviewing the 74HC257D,652 datasheet, 74HC257D,652 pinout, 74HC257D,652 application, or 74HC257D,652 equivalent, key selection criteria include 3-state bus interface capability, TTL-compatible input thresholds (for 74HCT variant), propagation delay vs. supply voltage dependency, and SO16 thermal derating above 110 °C.
Technical Context
This device implements four independent 2:1 multiplexers sharing a common select (S) and active-low 3-state enable (OE) control. Each channel routes either I0 or I1 to its Y output based on S level, with outputs entering high-impedance state when OE is HIGH.
All inputs include clamp diodes enabling safe interfacing to voltages exceeding VCC using external current-limiting resistors. Static input leakage remains ≤±0.1 μA at 6.0 V, and latch-up immunity exceeds 100 mA per JESD78 Class II Level B.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.0 V to 6.0 V - supports mixed-voltage system interfacing and battery-powered operation down to 2 V. |
| Propagation Delay (tpd) | 13 ns typ @ 4.5 V, CL = 15 pF - enables reliable timing in 30+ MHz digital control loops. |
| Output Drive | ±35 mA - sufficient to directly drive standard CMOS/TTL loads without buffering. |
| Operating Temperature | -40 °C to +125 °C - qualified for under-hood automotive modules and industrial PLC backplanes. |
| Input Thresholds | VIH = 3.15 V, VIL = 1.35 V @ VCC = 4.5 V - ensures noise margin >0.8 V in noisy environments. |
| Power Dissipation Cap. | CPD = 45 pF per mux - allows accurate dynamic power estimation in high-switching-rate applications. |
| 3-State Enable Time | ten = 12 ns typ @ 4.5 V - supports fast bus arbitration cycles in shared-data-path systems. |
Pinout & Package
74HC257D,652 uses SO16 (SOT109-1) plastic small outline package: 16-pin, 3.9 mm body width, 1.27 mm lead pitch, JEDEC MS-012 compliant. Thermal derating begins at 110 °C (12.4 mW/K).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (S) | Common Data Select Input | Single control line selecting source 0 (I0) or source 1 (I1) for all four channels simultaneously. |
| 2,5,11,14 (1I0–4I0) | Data Inputs - Source 0 | Four independent low-side inputs routed when S = LOW; each accepts CMOS-level signals. |
| 3,6,10,13 (1I1–4I1) | Data Inputs - Source 1 | Four independent high-side inputs routed when S = HIGH; compatible with 5 V TTL via clamp diodes. |
| 4,7,9,12 (1Y–4Y) | 3-State Multiplexer Outputs | Outputs enter high-Z when OE = HIGH; sink/source up to ±35 mA when enabled. |
| 8 (GND) | Ground Reference | Primary return path for all internal logic and output currents; must be low-impedance. |
| 15 (OE) | Active-Low Output Enable | Global 3-state control: LOW enables outputs, HIGH disables all Y pins to high impedance. |
| 16 (VCC) | Positive Supply | Single rail powering all logic and output stages; decoupling capacitor required near pin. |
Key Features
| Feature | Design Value |
|---|---|
| Wide Supply Range | 2.0–6.0 V operation enables direct use in 3.3 V microcontroller systems and legacy 5 V buses. |
| Clamp Diode Protection | Integrated input diodes allow safe overvoltage tolerance up to VCC + 0.5 V with external series resistors. |
| High Noise Immunity | CMOS threshold ratios (VIH/VIL) provide >40 % noise margin at 4.5 V, reducing false triggering in EMI-prone enclosures. |
| Bus-Compatible Outputs | 3-state outputs meet IEEE 1149.1 boundary-scan requirements and eliminate bus contention in multi-master designs. |
| JEDEC Compliance | Fully compliant with JESD7A (2.0–6.0 V) and JESD8C (2.7–3.6 V), ensuring interoperability across vendor logic families. |
Applications
| Industrial PLC I/O Expansion | Automotive Body Control Module |
|---|---|
Use Scenario: Routing sensor inputs (door switch, seat position, ambient temp) to MCU ADC or GPIO through shared PCB traces. IC Role / Device Role / Timing Role: Quad 2:1 mux selects between primary and redundant sensor paths; 3-state outputs isolate unused channels during diagnostics. Use Value: Reduces trace count by 50 % versus discrete routing; 125 °C rating supports placement near engine bay electronics. | Use Scenario: Consolidating multiple CAN/LIN transceiver status flags onto a single diagnostic bus line. IC Role / Device Role / Timing Role: Multiplexes four independent fault-report lines into one bidirectional diagnostic port under microcontroller control. Use Value: Eliminates need for four separate pull-up networks; ±35 mA drive sustains signal integrity over 15 cm ribbon cable runs. |
| Test Equipment Signal Switching | Legacy System Bus Interface |
Use Scenario: Automated test fixture switching between calibration reference sources and DUT inputs during production testing. IC Role / Device Role / Timing Role: Enables rapid reconfiguration of analog/digital stimulus paths using microcontroller GPIOs for S and OE. Use Value: 13 ns tpd ensures <100 ns total path reconfiguration time; SO16 footprint simplifies automated optical inspection. | Use Scenario: Adapting modern 3.3 V FPGA I/O to legacy 5 V parallel bus peripherals (EEPROM, display controller). IC Role / Device Role / Timing Role: Acts as level-translating bus selector: 3.3 V FPGA controls S/OE while 5 V peripherals drive I0/I1 via clamp diodes. Use Value: Avoids dedicated level shifters; 2.0 V min VCC allows compatibility with partially discharged backup batteries. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 2:1 multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT257D,652 | TTL-compatible inputs (VIH = 2.0 V min); identical pinout and timing. | Better suited for mixed 5 V TTL/CMOS systems where input noise immunity favors lower VIH. | Select when interfacing legacy 5 V logic families without level-shifting circuitry. |
| SN74LV257APWR | Lower VCC range (1.65–5.5 V); 10 ns tpd @ 3.3 V; TSSOP16 only. | Optimized for 3.3 V portable systems; no 125 °C rating; higher speed at low voltage. | Prefer for battery-powered devices requiring sub-2 V operation and faster switching at 3.3 V. |
Compared with 74HC257D,652, the 74HCT257D,652 offers improved compatibility with 5 V TTL drivers but sacrifices some noise margin at 2.0 V supply, while SN74LV257APWR delivers superior speed and low-voltage support at the cost of industrial temperature range and SO16 availability.
Availability
74HC257D,652 is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, test equipment signal switching, and legacy system bus interface requiring stable component supply across extended temperature ranges.
Supply support for 74HC257D,652 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 global semiconductor expert delivering high-performance, reliable logic, analog, and MOSFET solutions with focus on efficiency, reliability, and sustainability.
The 74HC/HCT logic family targets robust, drop-in replacements for legacy TTL and CMOS systems, emphasizing wide supply range, high noise immunity, and industrial-grade temperature performance.
FAQ
What is the maximum clock frequency supported by 74HC257D,652?
The 74HC257D,652 does not operate on a clock signal - it is a combinational logic device. Its usable data rate depends on propagation delay (13 ns typ @ 4.5 V) and system setup/hold timing. For reliable operation with clean edges, input transitions should remain slower than 83 ns/V (Δt/ΔV) at 6.0 V supply.
Can 74HC257D,652 interface directly with 5 V TTL outputs?
Yes - the 74HC257D,652 has integrated input clamp diodes allowing safe connection to 5 V TTL outputs when used with appropriate current-limiting resistors (e.g., 1 kΩ). Its VIH minimum of 3.15 V at 4.5 V VCC meets TTL HIGH-level requirements.
Is there a pin-compatible 3.3 V-only version of this multiplexer?
No - the 74HC257D,652 itself operates down to 2.0 V, making it inherently compatible with 3.3 V systems. For optimized 3.3 V performance, consider the SN74LV257APWR (TSSOP16, 1.65–5.5 V), though it lacks the -40 °C to +125 °C rating and SO16 package option.
How does the 3-state output behave when OE is HIGH and VCC is unpowered?
When VCC = 0 V and OE = HIGH, all outputs float (high-impedance) but are not actively clamped. The internal output transistors are non-conductive, and no current flows. However, external pull resistors are recommended to prevent undefined states during power sequencing.
74HC257D,652 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HC
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- Multiplexer
- Circuit:
- 4 x 2:1
- Independent Circuits:
- 1
- Current - Output High, Low:
- 7.8mA, 7.8mA
- Voltage Supply Source:
- Single Supply
- Voltage - Supply:
- 2V ~ 6V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SO
74HC257D,652 FAQ
1.How can I place an order for 74HC257D,652 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HC257D,652 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 74HC257D,652 reliable?
The price and inventory of 74HC257D,652 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HC257D,652 is usually 5 days.
3.What payment methods are accepted for 74HC257D,652?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HC257D,652 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HC257D,652?
74HC257D,652 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HC257D,652 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 74HC257D,652?
For technical support, including 74HC257D,652 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HC257D,652 requirements.
6.How does Aetrix verify that 74HC257D,652 is sourced from the original manufacturer or authorized distributors?
All 74HC257D,652 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 74HC257D,652 meets industry standards.
7.What is the process for return or replacement of 74HC257D,652?
All 74HC257D,652 units undergo pre-shipment inspection (PSI). If there is an issue with 74HC257D,652, 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 74HC257D,652 part is unused and in its original packaging.
Return procedure for 74HC257D,652:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
74HC257D,652 Tags
-
SN74HC138DR
Texas Instruments
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TC7SB3157CFU,LF(CT
Toshiba Semiconductor and Storage
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74CBTLV3257PW,118
Nexperia USA Inc.
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SN74CBTLV3257PWR
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74CBTLV3257GUX
Nexperia USA Inc.
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74HC154BQ,118
Nexperia USA Inc.
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P3S0200GMX
NXP USA Inc.
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SN74CB3Q3245PWR
Texas Instruments
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SN74CB3Q3257RGYR
Texas Instruments
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TCA9543APWR
Texas Instruments
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TCA9546APWR
Texas Instruments
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SN74HC138N
Texas Instruments
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