SN74F257N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
SN74F257N is a quadruple 2-to-1 multiplexer with 3-state outputs in 16-pin DIP package. Features fast F/FAST logic family with 50 pF load capacitance and Ni/Pd/Au terminal finish. From $0.08 in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN74F257N Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.0809(MOQ 1)
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74F257N?
- Quadruple 2-to-1 data selector/multiplexer with 3-state outputs for bus-driving applications
- F/FAST logic family for high-speed operation with 50 pF load capacitance
- 16-pin through-hole DIP package with 2.54 mm pitch for easy PCB integration
- JEDEC-compliant Ni/Pd/Au terminal finish for enhanced reliability and solderability
What is SN74F257N used for?
The SN74F257N is widely used in data routing and bus multiplexing applications in digital systems, including microprocessor address/data bus selection and memory banking circuits. Its 3-state outputs make it ideal for shared-bus architectures in communication equipment and industrial control systems. The device is also commonly employed in test and measurement instruments where fast, reliable signal switching between multiple data sources is required.
What are the specifications of SN74F257N?
| YTEOL | 15 |
| Family | F/FAST |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | MULTIPLEXER |
| Max I(ol) | 0.02A |
| Number of Bits | 4 |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Number of Outputs | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 22mA |
| Prop. Delay@Nom-Sup | 7ns |
| Propagation Delay (tpd) | 9.5ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia, Mexico |
Where can I find the SN74F257N datasheet?
SN74F257N Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74F257N?
Compatible alternatives and drop-in replacements for SN74F257N:
Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, Inverted Output, TTL, PDIP16
Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16
Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, Inverted Output, TTL, PDSO16
Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16
Frequently Asked Questions
What is the SN74F257N and what does it do?
The SN74F257N is a quadruple 2-line to 1-line data selector/multiplexer with 3-state outputs from Texas Instruments. It contains four independent 2-to-1 multiplexers that select one of two data inputs based on a common select signal, making it ideal for data routing in digital circuits.
What are the key electrical specifications of the SN74F257N?
The SN74F257N belongs to the F/FAST logic family and features a 50 pF load capacitance (CL). It operates in a 16-pin DIP package with 2.54 mm terminal pitch, JESD-30 code R-PDIP-T16, and Ni/Pd/Au terminal finish for reliable through-hole mounting.
What are typical applications for the SN74F257N?
The SN74F257N is commonly used in microprocessor bus multiplexing, memory bank selection, and shared-bus architectures. Its 3-state outputs allow multiple devices to share a common data bus without signal conflicts, making it suitable for industrial control systems, communication equipment, and digital logic designs.
What package does the SN74F257N come in and are there SMD alternatives?
The SN74F257N comes in a 16-pin through-hole Dual-In-Line Package (DIP) with 2.54 mm pitch. For surface-mount applications, Texas Instruments offers equivalent devices in SOIC and SSOP packages such as the SN74F257D (SOIC-16) and SN74F257DW, which provide the same functionality in a smaller SMD footprint.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.9400 | $0.94 |
| 10+ | $0.6750 | $6.75 |
| 24+ | $0.6666 | $16.00 |
| 25+ | $0.6080 | $15.20 |
| 91+ | $0.5555 | $50.55 |
| 1000+ | $0.0809 | $80.90 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit