LM311NAlternatives & Equivalent Parts
About LM311N
LM311N is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM311NSource | LM239N | CD4007UBM |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 8 | 14 | 14 |
| Temperature Range | ~ 70.0°C | -25.0°C ~ 85.0°C | -55.0°C ~ 125.0°C |
| Price | $0.1058 | $0.1426 | $0.5484 |
| Electrical Parameters | |||
| YTEOL | 0 | 0 | 0 |
| Amplifier Type | COMPARATOR | COMPARATOR | — |
| Average Bias Current-Max (IIB) | 0.3 µA | 0.4 µA | — |
| Bias Current-Max (IIB) @25C | 0.25 µA | 0.25 µA | — |
| Input Offset Voltage-Max | 10000 µV | 9000 µV | — |
| JESD-30 Code | R-PDIP-T8 | R-PDIP-T14 | R-PDSO-G14 |
| JESD-609 Code | e3 | e3 | e4 |
| Neg Supply Voltage Limit-Max | -18 V | — | — |
| Neg Supply Voltage-Nom (Vsup) | -15 V | — | — |
| Number of Functions | 1 | 4 | 2 |
| Output Type | OPEN-COLLECTOR | OPEN-COLLECTOR | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 | DIP14,.3 | SOP14,.25 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | SMALL OUTLINE |
| Packing Method | TUBE | RAIL | TUBE |
| Peak Reflow Temperature (Cel) | 260 | — | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Response Time-Nom | 200 ns | 1300 ns | — |
| Supply Current-Max | 7.5 mA | 2 mA | — |
| Supply Voltage Limit-Max | 18 V | 32 V | — |
| Supply Voltage-Nom (Vsup) | 15 V | 5 V | 5 V |
| Surface Mount | NO | NO | YES |
| Technology | BIPOLAR | BIPOLAR | CMOS |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | MILITARY |
| Terminal Finish | MATTE TIN | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 |
| ## LM311N Alternates Showing results | Image | — | — |
| Additional Feature | — | — | DUAL COMPLEMENTARY PAIR PLUS INVERTER |
| Family | — | — | 4000/14000/40000 |
| Load Capacitance (CL) | — | — | 50 pF |
| Logic IC Type | — | — | INVERTER |
| Max I(ol) | — | — | 0.004 A |
| Number of Inputs | — | — | 1 |
| Output Characteristics | — | — | TOTEM POLE |
| Power Supply Current-Max (ICC) | — | — | 0.03 mA |
| Prop. Delay@Nom-Sup | — | — | 110 ns |
| Propagation Delay (tpd) | — | — | 110 ns |
| Schmitt Trigger | — | — | NO |
| Supply Voltage-Max (Vsup) | — | — | 18 V |
| Supply Voltage-Min (Vsup) | — | — | 3 V |
| ## CD4007UBM Alternates Showing results | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for LM311N is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LM311N replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for LM311N. Get expert recommendations within 24 hours.
Request Alternatives for LM311NFAQ
What is equivalent to LM311N?
Known equivalents for LM311N include LM239N, CD4007UBM. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM311N?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LM311N alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.