IC ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20, Arithmetic Circuit
| Parameter Name | Attribute value |
| Is it Rohs certified? | incompatible |
| package instruction | QCCN, LCC20,.35SQ |
| Reach Compliance Code | unknown |
| Other features | CASCADABLE |
| series | ACT |
| JESD-30 code | S-CQCC-N20 |
| JESD-609 code | e0 |
| length | 8.89 mm |
| Load capacitance (CL) | 50 pF |
| Logic integrated circuit type | IDENTITY COMPARATOR |
| Number of digits | 8 |
| Number of functions | 1 |
| Number of terminals | 20 |
| Maximum operating temperature | 125 °C |
| Minimum operating temperature | -55 °C |
| Output polarity | INVERTED |
| 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 | 5 V |
| propagation delay (tpd) | 12 ns |
| Certification status | Not Qualified |
| Filter level | MIL-STD-883 Class B |
| Maximum seat height | 1.905 mm |
| Maximum supply voltage (Vsup) | 5.5 V |
| Minimum supply voltage (Vsup) | 4.5 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 |
| Base Number Matches | 1 |
| 54ACT521LMQB | 54ACT521FMQB | 74AC521PCQR | 74ACT521PCQR | 74ACT521SCQR | 74AC521SCQR | |
|---|---|---|---|---|---|---|
| Description | IC ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CQCC20, CERAMIC, LCC-20, Arithmetic Circuit | IC ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, CDFP20, CERPACK-20, Arithmetic Circuit | IC AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20, PLASTIC, DIP-20, Arithmetic Circuit | IC ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDIP20, PLASTIC, DIP-20, Arithmetic Circuit | IC ACT SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, SOIC-20, Arithmetic Circuit | IC AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, SOIC-20, Arithmetic Circuit |
| Is it Rohs certified? | incompatible | incompatible | incompatible | incompatible | incompatible | incompatible |
| package instruction | QCCN, LCC20,.35SQ | DFP, FL20,.3 | DIP, DIP20,.3 | DIP, DIP20,.3 | SOIC-20 | SOP, SOP20,.4 |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown |
| Other features | CASCADABLE | CASCADABLE | CASCADABLE | CASCADABLE | CASCADABLE | CASCADABLE |
| series | ACT | ACT | AC | ACT | ACT | AC |
| JESD-30 code | S-CQCC-N20 | R-GDFP-F20 | R-PDIP-T20 | R-PDIP-T20 | R-PDSO-G20 | R-PDSO-G20 |
| JESD-609 code | e0 | e0 | e0 | e0 | e0 | e0 |
| Load capacitance (CL) | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF | 50 pF |
| Logic integrated circuit type | IDENTITY COMPARATOR | IDENTITY COMPARATOR | IDENTITY COMPARATOR | IDENTITY COMPARATOR | IDENTITY COMPARATOR | IDENTITY COMPARATOR |
| 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 | 125 °C | 125 °C | 85 °C | 85 °C | 85 °C | 85 °C |
| Minimum operating temperature | -55 °C | -55 °C | -40 °C | -40 °C | -40 °C | -40 °C |
| Output polarity | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED | INVERTED |
| Package body material | CERAMIC, METAL-SEALED COFIRED | CERAMIC, GLASS-SEALED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| encapsulated code | QCCN | DFP | DIP | DIP | SOP | SOP |
| Encapsulate equivalent code | LCC20,.35SQ | FL20,.3 | DIP20,.3 | DIP20,.3 | SOP20,.4 | SOP20,.4 |
| Package shape | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package form | CHIP CARRIER | FLATPACK | IN-LINE | IN-LINE | SMALL OUTLINE | SMALL OUTLINE |
| Peak Reflow Temperature (Celsius) | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| power supply | 5 V | 5 V | 3.3/5 V | 5 V | 5 V | 3.3/5 V |
| propagation delay (tpd) | 12 ns | 12 ns | 12.5 ns | 11 ns | 11 ns | 12.5 ns |
| Certification status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Maximum seat height | 1.905 mm | 2.286 mm | 5.08 mm | 5.08 mm | 2.65 mm | 2.65 mm |
| Maximum supply voltage (Vsup) | 5.5 V | 5.5 V | 6 V | 5.5 V | 5.5 V | 6 V |
| Minimum supply voltage (Vsup) | 4.5 V | 4.5 V | 2 V | 4.5 V | 4.5 V | 2 V |
| Nominal supply voltage (Vsup) | 5 V | 5 V | 3 V | 5 V | 5 V | 3 V |
| surface mount | YES | YES | NO | NO | YES | YES |
| technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Temperature level | MILITARY | MILITARY | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| 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 | NO LEAD | FLAT | THROUGH-HOLE | THROUGH-HOLE | GULL WING | GULL WING |
| Terminal pitch | 1.27 mm | 1.27 mm | 2.54 mm | 2.54 mm | 1.27 mm | 1.27 mm |
| Terminal location | QUAD | DUAL | DUAL | DUAL | DUAL | DUAL |
| Maximum time at peak reflow temperature | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED |
| width | 8.89 mm | 6.731 mm | 7.62 mm | 7.62 mm | 7.5 mm | 7.5 mm |
| Base Number Matches | 1 | 1 | 1 | 1 | 1 | 1 |
| length | 8.89 mm | - | 24.892 mm | 24.892 mm | 12.8 mm | 12.8 mm |
| Maker | - | - | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） | National Semiconductor（TI ） |
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