4-bit arithmetic logic unit

| 74HCT181 | 74HC181 | 74HC181D | 74HC181N | 74HC181N3 | 74HCT181D | 74HCT181N | 74HCT181N3 | |
|---|---|---|---|---|---|---|---|---|
| Description | 4-bit arithmetic logic unit | 4-bit arithmetic logic unit | 4-bit arithmetic logic unit | 4-bit arithmetic logic unit | 4-bit arithmetic logic unit | 4-bit arithmetic logic unit | 4-bit arithmetic logic unit | 4-bit arithmetic logic unit |
| Is it Rohs certified? | - | - | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| Maker | - | - | Philips Semiconductors (NXP Semiconductors N.V.) | Philips Semiconductors (NXP Semiconductors N.V.) | Philips Semiconductors (NXP Semiconductors N.V.) | Philips Semiconductors (NXP Semiconductors N.V.) | Philips Semiconductors (NXP Semiconductors N.V.) | Philips Semiconductors (NXP Semiconductors N.V.) |
| package instruction | - | - | SOP, SOP24,.4 | DIP, DIP24,.6 | DIP, DIP24,.3 | SOP, SOP24,.4 | DIP, DIP24,.6 | DIP, DIP24,.3 |
| Reach Compliance Code | - | - | unknow | unknow | unknow | unknow | unknow | unknow |
| JESD-30 code | - | - | R-PDSO-G24 | R-PDIP-T24 | R-PDIP-T24 | R-PDSO-G24 | R-PDIP-T24 | R-PDIP-T24 |
| JESD-609 code | - | - | e0 | e0 | e0 | e0 | e0 | e0 |
| Logic integrated circuit type | - | - | ARITHMETIC LOGIC UNIT | ARITHMETIC LOGIC UNIT | ARITHMETIC LOGIC UNIT | ARITHMETIC LOGIC UNIT | ARITHMETIC LOGIC UNIT | ARITHMETIC LOGIC UNIT |
| Number of terminals | - | - | 24 | 24 | 24 | 24 | 24 | 24 |
| Maximum operating temperature | - | - | 85 °C | 85 °C | 85 °C | 85 °C | 85 °C | 85 °C |
| Minimum operating temperature | - | - | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C |
| Package body material | - | - | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | - | - | SOP | DIP | DIP | SOP | DIP | DIP |
| Encapsulate equivalent code | - | - | SOP24,.4 | DIP24,.6 | DIP24,.3 | SOP24,.4 | DIP24,.6 | DIP24,.3 |
| Package shape | - | - | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | - | - | SMALL OUTLINE | IN-LINE | IN-LINE | SMALL OUTLINE | IN-LINE | IN-LINE |
| power supply | - | - | 2/6 V | 2/6 V | 2/6 V | 5 V | 5 V | 5 V |
| Certification status | - | - | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| surface mount | - | - | YES | NO | NO | YES | NO | NO |
| technology | - | - | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | - | - | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal surface | - | - | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | - | - | GULL WING | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | THROUGH-HOLE |
| Terminal pitch | - | - | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm | 2.54 mm | 2.54 mm |
| Terminal location | - | - | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |