Part Details for 74AC521SCQR by National Semiconductor Corporation
Overview of 74AC521SCQR by National Semiconductor Corporation
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (0 crosses)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (9 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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Part Details for 74AC521SCQR
74AC521SCQR CAD Models
74AC521SCQR Part Data Attributes
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74AC521SCQR
National Semiconductor Corporation
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Datasheet
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74AC521SCQR
National Semiconductor Corporation
IC AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, SOIC-20, Arithmetic Circuit
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Rohs Code | No | |
Part Life Cycle Code | Obsolete | |
Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
Package Description | SOP, SOP20,.4 | |
Reach Compliance Code | unknown | |
HTS Code | 8542.39.00.01 | |
Additional Feature | CASCADABLE | |
Family | AC | |
JESD-30 Code | R-PDSO-G20 | |
JESD-609 Code | e0 | |
Length | 12.8 mm | |
Load Capacitance (CL) | 50 pF | |
Logic IC Type | IDENTITY COMPARATOR | |
Number of Bits | 8 | |
Number of Functions | 1 | |
Number of Terminals | 20 | |
Operating Temperature-Max | 85 °C | |
Operating Temperature-Min | -40 °C | |
Output Polarity | INVERTED | |
Package Body Material | PLASTIC/EPOXY | |
Package Code | SOP | |
Package Equivalence Code | SOP20,.4 | |
Package Shape | RECTANGULAR | |
Package Style | SMALL OUTLINE | |
Propagation Delay (tpd) | 12.5 ns | |
Qualification Status | Not Qualified | |
Seated Height-Max | 2.65 mm | |
Supply Voltage-Max (Vsup) | 6 V | |
Supply Voltage-Min (Vsup) | 2 V | |
Supply Voltage-Nom (Vsup) | 3 V | |
Surface Mount | YES | |
Technology | CMOS | |
Temperature Grade | INDUSTRIAL | |
Terminal Finish | TIN LEAD | |
Terminal Form | GULL WING | |
Terminal Pitch | 1.27 mm | |
Terminal Position | DUAL | |
Width | 7.5 mm |
Alternate Parts for 74AC521SCQR
This table gives cross-reference parts and alternative options found for 74AC521SCQR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 74AC521SCQR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number | Description | Manufacturer | Compare |
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74AC521SJ | Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDSO20, 5.30 MM, EIAJ TYPE2, SOP-20 | Fairchild Semiconductor Corporation | 74AC521SCQR vs 74AC521SJ |
74AC521SCXR | Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDSO20, SOIC-20 | Fairchild Semiconductor Corporation | 74AC521SCQR vs 74AC521SCXR |
TC74AC521F(TP1) | IC AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, 0.300 INCH, PLASTIC, SOIC-20, Arithmetic Circuit | Toshiba America Electronic Components | 74AC521SCQR vs TC74AC521F(TP1) |
TC74AC521F(EL) | IC AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, 0.300 INCH, PLASTIC, SOIC-20, Arithmetic Circuit | Toshiba America Electronic Components | 74AC521SCQR vs TC74AC521F(EL) |
74AC521SC | Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDSO20, 0.300 INCH, MS-013, SOIC-20 | Fairchild Semiconductor Corporation | 74AC521SCQR vs 74AC521SC |
74AC521SCQR | AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, SOIC-20 | Texas Instruments | 74AC521SCQR vs 74AC521SCQR |
74AC521SCTR | Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDSO20, SOIC-20 | Fairchild Semiconductor Corporation | 74AC521SCQR vs 74AC521SCTR |
74AC521SJX | Identity Comparator, AC Series, 8-Bit, Inverted Output, CMOS, PDSO20, 5.30 MM, EIAJ TYPE2, SOP-20 | Fairchild Semiconductor Corporation | 74AC521SCQR vs 74AC521SJX |
TC74AC521FW-ELP | IC AC SERIES, 8-BIT IDENTITY COMPARATOR, INVERTED OUTPUT, PDSO20, 0.300 INCH, PLASTIC, SOIC-20, Arithmetic Circuit | Toshiba America Electronic Components | 74AC521SCQR vs TC74AC521FW-ELP |