HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20
| Parameter Name | Attribute value |
| Is it lead-free? | Contains lead |
| Is it Rohs certified? | incompatible |
| Maker | Texas Instruments |
| Parts packaging code | QLCC |
| package instruction | QCCN, LCC20,.35SQ |
| Contacts | 20 |
| Reach Compliance Code | unknown |
| Control type | ENABLE LOW |
| series | HC/UH |
| JESD-30 code | S-CQCC-N20 |
| JESD-609 code | e0 |
| length | 8.89 mm |
| Load capacitance (CL) | 50 pF |
| Logic integrated circuit type | BUS DRIVER |
| Number of digits | 4 |
| Number of functions | 2 |
| Number of ports | 2 |
| Number of terminals | 20 |
| Maximum operating temperature | 125 °C |
| Minimum operating temperature | -55 °C |
| Output characteristics | 3-STATE |
| Output polarity | TRUE |
| Package body material | CERAMIC, METAL-SEALED COFIRED |
| encapsulated code | QCCN |
| Encapsulate equivalent code | LCC20,.35SQ |
| Package shape | SQUARE |
| Package form | CHIP CARRIER |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED |
| power supply | 2/6 V |
| propagation delay (tpd) | 34 ns |
| Certification status | Not Qualified |
| Maximum seat height | 1.905 mm |
| Maximum supply voltage (Vsup) | 6 V |
| Minimum supply voltage (Vsup) | 2 V |
| Nominal supply voltage (Vsup) | 5 V |
| surface mount | YES |
| technology | CMOS |
| Temperature level | MILITARY |
| Terminal surface | Tin/Lead (Sn/Pb) |
| Terminal form | NO LEAD |
| Terminal pitch | 1.27 mm |
| Terminal location | QUAD |
| Maximum time at peak reflow temperature | NOT SPECIFIED |
| width | 8.89 mm |
| MM54HC244E | MM74HC244WM | MM74HC244WMX | |
|---|---|---|---|
| Description | HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 | HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, PLASTIC, SO-20 | HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, PLASTIC, SO-20 |
| Maker | Texas Instruments | Texas Instruments | Texas Instruments |
| Parts packaging code | QLCC | SOIC | SOIC |
| package instruction | QCCN, LCC20,.35SQ | SOP, SOP20,.4 | SOP, |
| Contacts | 20 | 20 | 20 |
| Reach Compliance Code | unknown | unknown | unknown |
| series | HC/UH | HC/UH | HC/UH |
| JESD-30 code | S-CQCC-N20 | R-PDSO-G20 | R-PDSO-G20 |
| length | 8.89 mm | 12.8 mm | 12.8 mm |
| Load capacitance (CL) | 50 pF | 50 pF | 50 pF |
| Logic integrated circuit type | BUS DRIVER | BUS DRIVER | BUS DRIVER |
| Number of digits | 4 | 4 | 4 |
| Number of functions | 2 | 2 | 2 |
| Number of ports | 2 | 2 | 2 |
| Number of terminals | 20 | 20 | 20 |
| Maximum operating temperature | 125 °C | 85 °C | 85 °C |
| Minimum operating temperature | -55 °C | -40 °C | -40 °C |
| Output characteristics | 3-STATE | 3-STATE | 3-STATE |
| Output polarity | TRUE | TRUE | TRUE |
| Package body material | CERAMIC, METAL-SEALED COFIRED | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | QCCN | SOP | SOP |
| Package shape | SQUARE | RECTANGULAR | RECTANGULAR |
| Package form | CHIP CARRIER | SMALL OUTLINE | SMALL OUTLINE |
| propagation delay (tpd) | 34 ns | 29 ns | 29 ns |
| Certification status | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | 1.905 mm | 2.65 mm | 2.65 mm |
| Maximum supply voltage (Vsup) | 6 V | 6 V | 6 V |
| Minimum supply voltage (Vsup) | 2 V | 2 V | 2 V |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 5 V |
| surface mount | YES | YES | YES |
| technology | CMOS | CMOS | CMOS |
| Temperature level | MILITARY | INDUSTRIAL | INDUSTRIAL |
| Terminal form | NO LEAD | GULL WING | GULL WING |
| Terminal pitch | 1.27 mm | 1.27 mm | 1.27 mm |
| Terminal location | QUAD | DUAL | DUAL |
| width | 8.89 mm | 7.5 mm | 7.5 mm |
| Is it Rohs certified? | incompatible | incompatible | - |
| Control type | ENABLE LOW | ENABLE LOW | - |
| JESD-609 code | e0 | e0 | - |
| Encapsulate equivalent code | LCC20,.35SQ | SOP20,.4 | - |
| power supply | 2/6 V | 2/6 V | - |
| Terminal surface | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | - |
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