ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20
| Parameter Name | Attribute value |
| Is it lead-free? | Contains lead |
| Is it Rohs certified? | incompatible |
| Maker | Texas Instruments |
| Parts packaging code | DIP |
| package instruction | DIP, DIP20,.3 |
| Contacts | 20 |
| Reach Compliance Code | unknown |
| Other features | WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION |
| Control type | INDEPENDENT CONTROL |
| Counting direction | BIDIRECTIONAL |
| series | ALS |
| JESD-30 code | R-GDIP-T20 |
| JESD-609 code | e0 |
| length | 24.51 mm |
| Load capacitance (CL) | 50 pF |
| Logic integrated circuit type | BUS TRANSCEIVER |
| MaximumI(ol) | 0.024 A |
| Number of digits | 8 |
| Number of functions | 1 |
| Number of ports | 2 |
| Number of terminals | 20 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| Output characteristics | OPEN-COLLECTOR |
| Output polarity | TRUE |
| Package body material | CERAMIC, GLASS-SEALED |
| encapsulated code | DIP |
| Encapsulate equivalent code | DIP20,.3 |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 5 V |
| Maximum supply current (ICC) | 48 mA |
| Prop。Delay @ Nom-Sup | 39 ns |
| propagation delay (tpd) | 20 ns |
| Certification status | Not Qualified |
| Maximum seat height | 5.08 mm |
| Maximum supply voltage (Vsup) | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 V |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | NO |
| technology | TTL |
| Temperature level | COMMERCIAL |
| 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 |
| DM74ALS621AJ | DM54ALS622AJ | DM54ALS621AJ | DM74ALS622AJ | DM74ALS622AN | DM74ALS621AN | |
|---|---|---|---|---|---|---|
| Description | ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20 | ALS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20, CERAMIC, DIP-20 | ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20, CERAMIC, DIP-20 | ALS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CDIP20, CERAMIC, DIP-20 | ALS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, PDIP20, PLASTIC, DIP-20 | ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20, PLASTIC, DIP-20 |
| Is it lead-free? | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead | Contains lead |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| Maker | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Parts packaging code | DIP | DIP | DIP | DIP | DIP | DIP |
| package instruction | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 |
| Contacts | 20 | 20 | 20 | 20 | 20 | 20 |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown |
| 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 |
| Control type | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL | INDEPENDENT CONTROL |
| Counting direction | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| series | ALS | ALS | ALS | ALS | ALS | ALS |
| JESD-30 code | R-GDIP-T20 | R-GDIP-T20 | R-GDIP-T20 | R-GDIP-T20 | R-PDIP-T20 | R-PDIP-T20 |
| JESD-609 code | e0 | e0 | e0 | e0 | e0 | e0 |
| length | 24.51 mm | 24.51 mm | 24.51 mm | 24.51 mm | 26.075 mm | 26.075 mm |
| Load capacitance (CL) | 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 |
| MaximumI(ol) | 0.024 A | 0.012 A | 0.012 A | 0.024 A | 0.024 A | 0.024 A |
| Number of digits | 8 | 8 | 8 | 8 | 8 | 8 |
| Number of functions | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of ports | 2 | 2 | 2 | 2 | 2 | 2 |
| Number of terminals | 20 | 20 | 20 | 20 | 20 | 20 |
| Maximum operating temperature | 70 °C | 125 °C | 125 °C | 70 °C | 70 °C | 70 °C |
| Output characteristics | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR | OPEN-COLLECTOR |
| Output polarity | TRUE | INVERTED | TRUE | INVERTED | INVERTED | TRUE |
| Package body material | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | DIP | DIP | DIP | DIP | DIP | DIP |
| Encapsulate equivalent code | DIP20,.3 | DIP20,.3 | DIP20,.3 | DIP20,.3 | DIP20,.3 | DIP20,.3 |
| Package shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | IN-LINE | IN-LINE | IN-LINE | IN-LINE | IN-LINE | IN-LINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| power supply | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Maximum supply current (ICC) | 48 mA | 33 mA | 53 mA | 28 mA | 28 mA | 48 mA |
| Prop。Delay @ Nom-Sup | 39 ns | 45 ns | 47 ns | 38 ns | 38 ns | 39 ns |
| propagation delay (tpd) | 20 ns | 23 ns | 24 ns | 19 ns | 19 ns | 20 ns |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | 5.08 mm | 5.08 mm | 5.08 mm | 5.08 mm | 5.08 mm | 5.08 mm |
| Maximum supply voltage (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| surface mount | NO | NO | NO | NO | NO | NO |
| technology | TTL | TTL | TTL | TTL | TTL | TTL |
| Temperature level | COMMERCIAL | MILITARY | MILITARY | COMMERCIAL | COMMERCIAL | COMMERCIAL |
| 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 | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal location | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL |
| Maximum time at peak reflow temperature | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| translate | N/A | N/A | N/A | N/A | N/A | N/A |
| width | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm | 7.62 mm |
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