Octal Buffers/Line Drivers (with 3-state outputs)

| HD74HC540 | HD74HC540P | HD74HC541 | HD74HC541P | HD74HC541RPEL | HD74HC541FPEL | HD74HC541TELL | HD74HC540TELL | HD74HC540RPEL | HD74HC540FPEL | |
|---|---|---|---|---|---|---|---|---|---|---|
| Description | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) | Octal Buffers/Line Drivers (with 3-state outputs) |
| Is it lead-free? | - | Contains lead | - | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead |
| Is it Rohs certified? | - | incompatible | - | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| Maker | - | Renesas Electronics Corporation | - | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation | Renesas Electronics Corporation |
| Parts packaging code | - | DIP | - | DIP | SOIC | SOIC | TSSOP | TSSOP | SOIC | SOIC |
| package instruction | - | 6.30 X 24.50 MM, 2.54 MM PITCH, PLASTIC, DIP-20 | - | DIP, DIP20,.3 | 7.50 X 12.80 MM, 1.27 MM PITCH, PLASTIC, SOP-20 | SOP, SOP20,.3 | 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, TSSOP-20 | TSSOP, TSSOP20,.25 | SOP, SOP20,.4 | SOP, SOP20,.3 |
| Contacts | - | 20 | - | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | - | compli | - | compli | compliant | unknow | compli | unknow | unknow | unknow |
| ECCN code | - | EAR99 | - | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 | EAR99 |
| Control type | - | ENABLE LOW | - | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW | ENABLE LOW |
| series | - | HC/UH | - | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH |
| JESD-30 code | - | R-PDIP-T20 | - | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 | R-PDSO-G20 |
| length | - | 24.5 mm | - | 24.5 mm | 12.8 mm | 12.6 mm | 6.5 mm | 6.5 mm | 12.8 mm | 12.6 mm |
| Load capacitance (CL) | - | 50 pF | - | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF |
| Logic integrated circuit type | - | BUS DRIVER | - | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER | BUS DRIVER |
| MaximumI(ol) | - | 0.006 A | - | 0.006 A | 0.006 A | 0.006 A | 0.006 A | 0.006 A | 0.006 A | 0.006 A |
| Number of digits | - | 8 | - | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Number of functions | - | 1 | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of ports | - | 2 | - | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Number of terminals | - | 20 | - | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Maximum operating temperature | - | 85 °C | - | 85 °C | 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 | -40 °C | -40 °C |
| Output characteristics | - | 3-STATE | - | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Output polarity | - | INVERTED | - | TRUE | TRUE | TRUE | TRUE | INVERTED | INVERTED | INVERTED |
| Package body material | - | PLASTIC/EPOXY | - | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | - | DIP | - | DIP | SOP | SOP | TSSOP | TSSOP | SOP | SOP |
| Encapsulate equivalent code | - | DIP20,.3 | - | DIP20,.3 | SOP20,.4 | SOP20,.3 | TSSOP20,.25 | TSSOP20,.25 | SOP20,.4 | SOP20,.3 |
| Package shape | - | RECTANGULAR | - | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | - | IN-LINE | - | IN-LINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Celsius) | - | NOT SPECIFIED | - | NOT SPECIFIED | 225 | 225 | 225 | 225 | 225 | 225 |
| power supply | - | 2/6 V | - | 2/6 V | 2/6 V | 2/6 V | 2/6 V | 2/6 V | 2/6 V | 2/6 V |
| Prop。Delay @ Nom-Su | - | 25 ns | - | 29 ns | - | 29 ns | 29 ns | 25 ns | 25 ns | 25 ns |
| propagation delay (tpd) | - | 125 ns | - | 145 ns | 145 ns | 145 ns | 145 ns | 125 ns | 125 ns | 125 ns |
| Certification status | - | Not Qualified | - | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | - | 5.08 mm | - | 5.08 mm | 2.65 mm | 2.2 mm | 1.1 mm | 1.1 mm | 2.65 mm | 2.2 mm |
| Maximum supply voltage (Vsup) | - | 6 V | - | 6 V | 6 V | 6 V | 6 V | 6 V | 6 V | 6 V |
| Minimum supply voltage (Vsup) | - | 2 V | - | 2 V | 2 V | 2 V | 2 V | 2 V | 2 V | 2 V |
| Nominal supply voltage (Vsup) | - | 4.5 V | - | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| surface mount | - | NO | - | NO | YES | YES | YES | YES | YES | YES |
| technology | - | CMOS | - | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | - | INDUSTRIAL | - | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal form | - | THROUGH-HOLE | - | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal pitch | - | 2.54 mm | - | 2.54 mm | 1.27 mm | 1.27 mm | 0.65 mm | 0.65 mm | 1.27 mm | 1.27 mm |
| Terminal location | - | DUAL | - | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Maximum time at peak reflow temperature | - | NOT SPECIFIED | - | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| width | - | 7.62 mm | - | 7.62 mm | 7.5 mm | 5.5 mm | 4.4 mm | 4.4 mm | 7.5 mm | 5.5 mm |
| Humidity sensitivity level | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 |
| method of packing | - | - | - | - | TAPE AND REEL | TAPE AND REEL | TAPE AND REEL | TAPE AND REEL | TAPE AND REEL | TAPE AND REEL |