IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,CERAMIC
| Parameter Name | Attribute value |
| Is it Rohs certified? | incompatible |
| Maker | Texas Instruments |
| package instruction | DIP, DIP20,.3 |
| Reach Compliance Code | unknown |
| Control type | COMMON CONTROL |
| Counting direction | BIDIRECTIONAL |
| JESD-30 code | R-XDIP-T20 |
| JESD-609 code | e0 |
| Number of digits | 8 |
| Number of functions | 1 |
| Number of terminals | 20 |
| Maximum operating temperature | 70 °C |
| Minimum operating temperature | |
| Output characteristics | OPEN-COLLECTOR/3-STATE |
| Output polarity | TRUE |
| Package body material | CERAMIC |
| encapsulated code | DIP |
| Encapsulate equivalent code | DIP20,.3 |
| Package shape | RECTANGULAR |
| Package form | IN-LINE |
| 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 |
| DM74AS639J/A+ | DM74AS638J/A+ | DM74AS638N/A+ | DM74AS638N/B+ | DM74AS639N/A+ | DM74AS639N/B+ | |
|---|---|---|---|---|---|---|
| Description | IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,CERAMIC | IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,CERAMIC | IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,PLASTIC | IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,PLASTIC | IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,PLASTIC | IC,BUS TRANSCEIVER,SINGLE,8-BIT,AS-TTL,DIP,20PIN,PLASTIC |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| Maker | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| package instruction | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown |
| Control type | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL | COMMON CONTROL |
| Counting direction | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL | BIDIRECTIONAL |
| JESD-30 code | R-XDIP-T20 | R-XDIP-T20 | R-PDIP-T20 | R-PDIP-T20 | R-PDIP-T20 | R-PDIP-T20 |
| JESD-609 code | e0 | e0 | e0 | e0 | e0 | e0 |
| Number of digits | 8 | 8 | 8 | 8 | 8 | 8 |
| Number of functions | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of terminals | 20 | 20 | 20 | 20 | 20 | 20 |
| Maximum operating temperature | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C |
| Output characteristics | OPEN-COLLECTOR/3-STATE | OPEN-COLLECTOR/3-STATE | OPEN-COLLECTOR/3-STATE | OPEN-COLLECTOR/3-STATE | OPEN-COLLECTOR/3-STATE | OPEN-COLLECTOR/3-STATE |
| Output polarity | TRUE | INVERTED | INVERTED | INVERTED | TRUE | TRUE |
| Package body material | CERAMIC | CERAMIC | PLASTIC/EPOXY | PLASTIC/EPOXY | 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 |
| surface mount | NO | NO | NO | NO | NO | NO |
| technology | TTL | TTL | TTL | TTL | TTL | TTL |
| Temperature level | COMMERCIAL | COMMERCIAL | COMMERCIAL | 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 |