SN74HC21QPWRQ1Alternatives & Equivalent Parts
About SN74HC21QPWRQ1
SN74HC21QPWRQ1 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline 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 | SN74HC21QPWRQ1Source | 0430451013 | TPS54295PWP | SN74HC273DWRE4 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Molex | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Other | Small Outline Packages | Small Outline Packages |
| Pin Count | 14 | 10 | 16 | 20 |
| Temperature Range | -40.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $0.1747 | $1.4700 | $1.3400 | $0.4152 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | — | Yes | Yes |
| YTEOL | 15 | 8 | 15 | 15 |
| Family | HC/UH | — | — | HC/UH |
| JESD-30 Code | R-PDSO-G14 | — | R-PDSO-G16 | R-PDSO-G20 |
| JESD-609 Code | e4 | — | e4 | e4 |
| Load Capacitance (CL) | 50 pF | — | — | 50 pF |
| Logic IC Type | AND GATE | — | — | D FLIP-FLOP |
| Max I(ol) | 0.0052 A | — | — | 0.0052 A |
| Number of Functions | 2 | — | 1 | 8 |
| Number of Inputs | 4 | — | — | — |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 | — | TSSOP16,.25 | SOP20,.4 |
| Package Shape | RECTANGULAR | — | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE |
| Packing Method | TR | — | — | TR |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 |
| Power Supply Current-Max (ICC) | 0.02 mA | — | — | 0.08 mA |
| Prop. Delay@Nom-Sup | 33 ns | — | — | 200 ns |
| Propagation Delay (tpd) | 165 ns | — | — | 200 ns |
| Qualification Status | Not Qualified | — | Not Qualified | Not Qualified |
| Schmitt Trigger | NO | — | — | — |
| Screening Level | AEC-Q100 | — | — | — |
| Supply Voltage-Max (Vsup) | 6 V | — | — | 6 V |
| Supply Voltage-Min (Vsup) | 2 V | — | — | 2 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | 12 V | 5 V |
| Surface Mount | YES | — | YES | YES |
| Technology | CMOS | — | BICMOS | CMOS |
| Temperature Grade | AUTOMOTIVE | — | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | — | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | — | 0.65 mm | 1.27 mm |
| Terminal Position | DUAL | — | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | 30 | 30 |
| ## SN74HC21QPWRQ1 Alternates Showing results | Image | — | — | — |
| Additional Feature | — | — | OPERATES IN ADJUSTABLE MODE FROM 0.76 TO 7V | DUMMY VAL |
| Analog IC - Other Type | — | — | DUAL SWITCHING CONTROLLER | — |
| Control Mode | — | — | VOLTAGE-MODE | — |
| Control Technique | — | — | PULSE WIDTH MODULATION | — |
| Input Voltage-Max | — | — | 18 V | — |
| Input Voltage-Min | — | — | 4.5 V | — |
| Input Voltage-Nom | — | — | 12 V | — |
| Number of Outputs | — | — | 2 | — |
| Output Current-Max | — | — | 2 A | — |
| Output Voltage-Max | — | — | 7 V | — |
| Output Voltage-Min | — | — | 0.76 V | — |
| Output Voltage-Nom | — | — | 5.5 V | — |
| Supply Current-Max (Isup) | — | — | 2 mA | — |
| Switcher Configuration | — | — | BUCK | — |
| Switching Frequency-Max | — | — | 700 kHz | — |
| Max Frequency@Nom-Sup | — | — | — | 21000000 Hz |
| Number of Bits | — | — | — | 8 |
| Output Polarity | — | — | — | TRUE |
| Trigger Type | — | — | — | POSITIVE EDGE |
| fmax-Min | — | — | — | 28 MHz |
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 3 alternatives for SN74HC21QPWRQ1 — response within 24 hours.
Quick Links
suggested
suggested
D Flip-Flop, HC/UH Series, 8-Func, Positive Edge Triggered, 8-Bit, True Output, CMOS, PDSO20
Why Look for Alternatives?
Finding alternatives for SN74HC21QPWRQ1 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 SN74HC21QPWRQ1 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 SN74HC21QPWRQ1?
Known equivalents for SN74HC21QPWRQ1 include 0430451013, TPS54295PWP, SN74HC273DWRE4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of SN74HC21QPWRQ1?
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 SN74HC21QPWRQ1 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.