AT89C51RB2-RLTUMAlternatives & Equivalent Parts
About AT89C51RB2-RLTUM
AT89C51RB2-RLTUM is a Integrated Circuit component manufactured by Microchip. It comes in a Quad Flat 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 | AT89C51RB2-RLTUMSource | CAXC2T245QRSWRQ1 | LMZ23610TZ/NOPB | SN74ACT244PW | TPS8268120SIPR |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Quad Flat Packages | Quad Flat No-Lead | Other | — | Other |
| Pin Count | 44 | 10 | 12 | — | 9 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C |
| Price | $4.6300 | $0.6860 | $18.7214 | $0.0987 | $1.8064 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | — | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | — | Yes |
| YTEOL | 0 | 15 | 15 | — | 15 |
| Has ADC | NO | — | — | — | — |
| Address Bus Width | 16 | — | — | — | — |
| Bit Size | 8 | — | — | — | — |
| CPU Family | 8051 | — | — | — | — |
| Clock Frequency-Max | 40 MHz | — | — | — | — |
| DAC Channels | NO | — | — | — | — |
| DMA Channels | NO | — | — | — | — |
| External Data Bus Width | 8 | — | — | — | — |
| JESD-30 Code | S-PQFP-G44 | R-PQCC-N10 | S-PSSO-G11 | — | R-XXMA-X9 |
| JESD-609 Code | e3 | e4 | e3 | — | e1 |
| Number of I/O Lines | 32 | — | — | — | — |
| On Chip Program ROM Width | 8 | — | — | — | — |
| PWM Channels | YES | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | UNSPECIFIED |
| Package Equivalence Code | QFP44,.47SQ,32 | LCC10,.06X.07,16 | SMSIP11H,.7,50 | — | — |
| Package Shape | SQUARE | RECTANGULAR | SQUARE | — | RECTANGULAR |
| Package Style | FLATPACK, LOW PROFILE | CHIP CARRIER, VERY THIN PROFILE | SMALL OUTLINE, HEAT SINK/SLUG | — | MICROELECTRONIC ASSEMBLY |
| Qualification Status | Not Qualified | — | Not Qualified | — | — |
| RAM (bytes) | 1280 | — | — | — | — |
| ROM (words) | 16384 | — | — | — | — |
| ROM Programmability | FLASH | — | — | — | — |
| Speed | 40 MHz | — | — | — | — |
| Supply Current-Max | 29 mA | — | — | — | — |
| Supply Voltage-Max | 5.5 V | — | — | — | — |
| Supply Voltage-Min | 5 V | — | — | — | — |
| Supply Voltage-Nom | 5 V | — | — | — | — |
| Surface Mount | YES | YES | YES | — | NO |
| Technology | CMOS | CMOS | BICMOS | — | — |
| Temperature Grade | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | — | INDUSTRIAL |
| Terminal Finish | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin (Sn) | — | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | GULL WING | NO LEAD | GULL WING | — | UNSPECIFIED |
| Terminal Pitch | 0.8 mm | 0.4 mm | 1.27 mm | — | 0.8 mm |
| Terminal Position | QUAD | QUAD | SINGLE | — | UNSPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER | — | — | — | — |
| ## AT89C51RB2-RLTUM Alternates Showing results | Image | — | — | — | — |
| Date Of Intro | — | 2020-03-14 | — | — | — |
| Control Type | — | INDEPENDENT CONTROL | — | — | — |
| Count Direction | — | BIDIRECTIONAL | — | — | — |
| Family | — | AXC | — | — | — |
| Load Capacitance (CL) | — | 15 pF | — | — | — |
| Logic IC Type | — | BUS TRANSCEIVER | — | — | — |
| Max I(ol) | — | 0.012 A | — | — | — |
| Number of Bits | — | 2 | — | — | — |
| Number of Functions | — | 1 | 1 | — | 1 |
| Number of Ports | — | 2 | — | — | — |
| Output Characteristics | — | 3-STATE | — | — | — |
| Output Polarity | — | TRUE | — | — | — |
| Packing Method | — | TR | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 245 | — | 260 |
| Power Supply Current-Max (ICC) | — | 0.023 mA | — | — | — |
| Prop. Delay@Nom-Sup | — | 169 ns | — | — | — |
| Propagation Delay (tpd) | — | 4 ns | — | — | — |
| Screening Level | — | AEC-Q100 | — | — | — |
| Supply Voltage-Max (Vsup) | — | 3.6 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | 0.45 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | 0.7 V | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | — | 30 |
| Analog IC - Other Type | — | — | SWITCHING REGULATOR | — | SWITCHING REGULATOR |
| Control Mode | — | — | CURRENT-MODE | — | VOLTAGE-MODE |
| Control Technique | — | — | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | — | — | 36 V | — | 5.5 V |
| Input Voltage-Min | — | — | 6 V | — | 2.5 V |
| Input Voltage-Nom | — | — | 12 V | — | 3.6 V |
| Number of Outputs | — | — | 1 | — | 1 |
| Output Current-Max | — | — | 10 A | — | 1.6 A |
| Output Voltage-Max | — | — | 6 V | — | 1.2 V |
| Output Voltage-Min | — | — | 0.8 V | — | 1.2 V |
| Output Voltage-Nom | — | — | 3.3 V | — | 1.2 V |
| Switcher Configuration | — | — | BUCK-BOOST | — | BUCK |
| Switching Frequency-Max | — | — | 600 kHz | — | 5500 kHz |
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 AT89C51RB2-RLTUM — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AT89C51RB2-RLTUM 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 AT89C51RB2-RLTUM 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 AT89C51RB2-RLTUM?
Known equivalents for AT89C51RB2-RLTUM include CAXC2T245QRSWRQ1, LMZ23610TZ/NOPB, SN74ACT244PW. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT89C51RB2-RLTUM?
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 AT89C51RB2-RLTUM 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.