Q427242110002 RTC-72421Alternatives & Equivalent Parts
About Q427242110002 RTC-72421
Q427242110002 RTC-72421 is a Integrated Circuit component manufactured by Epson Timing. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | Q427242110002 RTC-72421Source | ATF1504AS-10AU100 | SST39SF040-70-4C-PHE | LM2576T-3.3/NOPB | C3225X7S2A475M200AB |
|---|---|---|---|---|---|
| Manufacturer | Epson Timing | Microchip | Microchip | Texas Instruments | TDK |
| Package Type | Dual-In-Line Packages | Quad Flat Packages | Dual-In-Line Packages | Other | Capacitor Chip Non-polarised |
| Pin Count | 18 | 100 | 32 | 3 | 2 |
| Temperature Range | — | -40.0°C ~ 85.0°C | ~ 70.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | — | $4.9472 | $2.6600 | $1.7100 | $0.4190 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | NOT RECOMMENDED |
| Electrical Parameters | |||||
| Pbfree Code | — | Yes | Yes | Yes | Yes |
| Manufacturer Package Code | — | TQFP-100 | PDIP-32 | — | — |
| Factory Lead Time | — | 10 Weeks | 14 Weeks | — | 24 Weeks |
| YTEOL | — | 14 | 0 | 15 | 3 |
| Additional Feature | — | POWER -UP RESET; SECURITY FUSE | — | — | — |
| Clock Frequency-Max | — | 125 MHz | — | — | — |
| In-System Programmable | — | YES | — | — | — |
| JESD-30 Code | — | S-PQFP-G100 | R-PDIP-T32 | R-PSFM-T5 | — |
| JESD-609 Code | — | e3 | — | e3 | e3 |
| JTAG BST | — | YES | — | — | — |
| Number of I/O Lines | — | 64 | — | — | — |
| Number of Inputs | — | 64 | — | — | — |
| Number of Macro Cells | — | 64 | — | — | — |
| Number of Outputs | — | 64 | — | 1 | — |
| Number of Product Terms | — | 40 | — | — | — |
| Organization | — | 0 DEDICATED INPUTS, 64 I/O | 512KX8 | — | — |
| Output Function | — | MACROCELL | — | — | — |
| Package Body Material | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | — | TQFP100,.63SQ | DIP32,.6 | — | — |
| Package Shape | — | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE |
| Package Style | — | FLATPACK, THIN PROFILE, FINE PITCH | IN-LINE | FLANGE MOUNT | SMT |
| Packing Method | — | TRAY | — | — | TR, 7 INCH |
| Peak Reflow Temperature (Cel) | — | 260 | — | — | — |
| Programmable Logic Type | — | EE PLD | — | — | — |
| Propagation Delay | — | 10 ns | — | — | — |
| Qualification Status | — | Not Qualified | Not Qualified | Not Qualified | — |
| Supply Voltage-Max | — | 5.5 V | — | — | — |
| Supply Voltage-Min | — | 4.5 V | — | — | — |
| Supply Voltage-Nom | — | 5 V | — | — | — |
| Surface Mount | — | YES | NO | NO | YES |
| Technology | — | CMOS | CMOS | — | — |
| Temperature Grade | — | INDUSTRIAL | — | AUTOMOTIVE | — |
| Terminal Finish | — | Matte Tin (Sn) | — | Matte Tin (Sn) | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Form | — | GULL WING | THROUGH-HOLE | THROUGH-HOLE | — |
| Terminal Pitch | — | 0.5 mm | 2.54 mm | 1.7 mm | — |
| Terminal Position | — | QUAD | DUAL | SINGLE | — |
| Time@Peak Reflow Temperature-Max (s) | — | 40 | — | — | — |
| ## ATF1504AS-10AU100 Alternates Showing results | — | Image | — | — | — |
| Access Time-Max | — | — | 70 ns | — | — |
| Command User Interface | — | — | YES | — | — |
| Data Polling | — | — | YES | — | — |
| Endurance | — | — | 100000 Write/Erase Cycles | — | — |
| Memory Density | — | — | 4194304 bit | — | — |
| Memory IC Type | — | — | FLASH | — | — |
| Memory Width | — | — | 8 | — | — |
| Number of Functions | — | — | 1 | 1 | — |
| Number of Sectors/Size | — | — | 128 | — | — |
| Number of Words | — | — | 524288 words | — | — |
| Number of Words Code | — | — | 512000 | — | — |
| Operating Mode | — | — | ASYNCHRONOUS | — | — |
| Output Characteristics | — | — | 3-STATE | — | — |
| Parallel/Serial | — | — | PARALLEL | — | — |
| Programming Voltage | — | — | 5 V | — | — |
| Sector Size | — | — | 4K | — | — |
| Standby Current-Max | — | — | 0.0001 A | — | — |
| Supply Current-Max | — | — | 0.025 mA | — | — |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | 4.5 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | 5 V | — | — |
| Toggle Bit | — | — | YES | — | — |
| Type | — | — | NOR TYPE | — | — |
| ## SST39SF040-70-4C-PHE Alternates Showing results | — | — | Image | — | — |
| Analog IC - Other Type | — | — | — | SWITCHING REGULATOR | — |
| Control Mode | — | — | — | VOLTAGE-MODE | — |
| Control Technique | — | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | — | — | — | 40 V | — |
| Input Voltage-Min | — | — | — | 4 V | — |
| Input Voltage-Nom | — | — | — | 12 V | — |
| Output Current-Max | — | — | — | 3 A | — |
| Output Voltage-Max | — | — | — | 37 V | — |
| Output Voltage-Min | — | — | — | 3.3 V | — |
| Output Voltage-Nom | — | — | — | 3.3 V | — |
| Switcher Configuration | — | — | — | BUCK | — |
| Switching Frequency-Max | — | — | — | 63 kHz | — |
| ## LM2576T-3.3/NOPB Alternates Showing results | — | — | — | Image | — |
| Reach Compliance Code | — | — | — | — | Compliant |
| Capacitance | — | — | — | — | 4.7 µF |
| Capacitor Type | — | — | — | — | CERAMIC CAPACITOR |
| Dielectric Material | — | — | — | — | CERAMIC |
| Height | — | — | — | — | 2 mm |
| Mounting Feature | — | — | — | — | SURFACE MOUNT |
| Multilayer | — | — | — | — | Yes |
| Negative Tolerance | — | — | — | — | 20% |
| Positive Tolerance | — | — | — | — | 20% |
| Rated (DC) Voltage (URdc) | — | — | — | — | 100 V |
| Size Code | — | — | — | — | 1210 |
| Temperature Characteristics Code | — | — | — | — | X7S |
| Temperature Coefficient | — | — | — | — | 22% ppm/°C |
| Terminal Shape | — | — | — | — | WRAPAROUND |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 4 alternatives for Q427242110002 RTC-72421 — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for Q427242110002 RTC-72421 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating Q427242110002 RTC-72421 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to Q427242110002 RTC-72421?
Known equivalents for Q427242110002 RTC-72421 include ATF1504AS-10AU100, SST39SF040-70-4C-PHE, LM2576T-3.3/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of Q427242110002 RTC-72421?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify Q427242110002 RTC-72421 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.