HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP20, PLASTIC, DIP-20
| Parameter Name | Attribute value |
| Is it lead-free? | Contains lead |
| Is it Rohs certified? | incompatible |
| Maker | STMicroelectronics |
| Parts packaging code | DIP |
| package instruction | DIP, DIP20,.3 |
| Contacts | 20 |
| Reach Compliance Code | not_compliant |
| Other features | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION |
| Control type | INDEPENDENT CONTROL |
| Counting direction | BIDIRECTIONAL |
| series | HC/UH |
| JESD-30 code | R-PDIP-T20 |
| JESD-609 code | e0 |
| Load capacitance (CL) | 50 pF |
| Logic integrated circuit type | BUS TRANSCEIVER |
| MaximumI(ol) | 0.004 A |
| Number of digits | 8 |
| Number of functions | 1 |
| Number of ports | 2 |
| Number of terminals | 20 |
| Maximum operating temperature | 85 °C |
| Minimum operating temperature | -40 °C |
| Output characteristics | 3-STATE |
| Output polarity | INVERTED |
| Package body material | PLASTIC/EPOXY |
| encapsulated code | DIP |
| Encapsulate equivalent code | DIP20,.3 |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 2/6 V |
| Prop。Delay @ Nom-Sup | 25 ns |
| propagation delay (tpd) | 25 ns |
| Certification status | Not Qualified |
| Maximum seat height | 3.93 mm |
| Maximum supply voltage (Vsup) | 6 V |
| Minimum supply voltage (Vsup) | 2 V |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | NO |
| technology | CMOS |
| Temperature level | INDUSTRIAL |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | THROUGH-HOLE |
| Terminal pitch | 2.54 mm |
| Terminal location | DUAL |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| translate | N/A |
| width | 7.62 mm |





| M74HC620B1N | M74HC620F1 | M74HC620M1 | M74HC623B1N | M74HC623F1 | M74HC623M1 | M54HC620F1 | M54HC623F1 | |
|---|---|---|---|---|---|---|---|---|
| Description | HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP20, PLASTIC, DIP-20 | HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20, FRIT SEALED, CERAMIC, DIP-20 | HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDSO20, MICRO, PLASTIC, DIP-20 | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20 | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20, FRIT SEALED, CERAMIC, DIP-20 | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, MICRO, PLASTIC, DIP-20 | HC/UH SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20, FRIT SEALED, CERAMIC, DIP-20 | HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20, FRIT SEALED, CERAMIC, DIP-20 |
| 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 | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Parts packaging code | DIP | DIP | SOIC | DIP | DIP | SOIC | DIP | DIP |
| package instruction | DIP, DIP20,.3 | DIP, DIP20,.3 | SOP, SOP20,.4 | DIP, DIP20,.3 | DIP, DIP20,.3 | SOP, SOP20,.4 | DIP, DIP20,.3 | DIP, DIP20,.3 |
| Contacts | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | not_compliant | not_compliant | not_compliant | not_compliant | not_compliant | not_compliant | not_compliant | not_compliant |
| Other features | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION |
| Control type | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL |
| Counting direction | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| series | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH | HC/UH |
| JESD-30 code | R-PDIP-T20 | R-GDIP-T20 | R-PDSO-G20 | R-PDIP-T20 | R-GDIP-T20 | R-PDSO-G20 | R-GDIP-T20 | R-GDIP-T20 |
| JESD-609 code | e0 | e0 | e0 | e0 | e0 | e0 | e0 | e0 |
| Load capacitance (CL) | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF |
| Logic integrated circuit type | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER | BUS TRANSCEIVER |
| MaximumI(ol) | 0.004 A | 0.004 A | 0.004 A | 0.004 A | 0.004 A | 0.004 A | 0.004 A | 0.004 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 | 125 °C | 125 °C |
| Minimum operating temperature | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C | -55 °C | -55 °C |
| Output characteristics | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE | 3-STATE |
| Output polarity | INVERTED | INVERTED | INVERTED | TRUE | TRUE | TRUE | INVERTED | TRUE |
| Package body material | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED |
| encapsulated code | DIP | DIP | SOP | DIP | DIP | SOP | DIP | DIP |
| Encapsulate equivalent code | DIP20,.3 | DIP20,.3 | SOP20,.4 | DIP20,.3 | DIP20,.3 | SOP20,.4 | DIP20,.3 | DIP20,.3 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | IN-LINE | IN-LINE | SMALL OUTLINE | IN-LINE | IN-LINE | SMALL OUTLINE | IN-LINE | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| power supply | 2/6 V | 2/6 V | 2/6 V | 5 V | 5 V | 5 V | 2/6 V | 5 V |
| Prop。Delay @ Nom-Sup | 25 ns | 25 ns | 25 ns | 25 ns | 25 ns | 25 ns | 30 ns | 30 ns |
| propagation delay (tpd) | 25 ns | 25 ns | 25 ns | 21 ns | 21 ns | 21 ns | 30 ns | 26 ns |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | 3.93 mm | 5 mm | 2.65 mm | 3.93 mm | 5 mm | 2.65 mm | 5 mm | 5 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) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| surface mount | NO | NO | YES | NO | NO | YES | NO | NO |
| technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | MILITARY | MILITARY |
| 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) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) |
| Terminal form | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | THROUGH-HOLE |
| Terminal pitch | 2.54 mm | 2.54 mm | 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 | 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 | 7.62 mm | 7.62 mm | 7.5 mm | 7.62 mm | 7.62 mm |
| translate | N/A | N/A | N/A | N/A | N/A | - | N/A | N/A |