M27C256B-70XF1Alternatives & Equivalent Parts
About M27C256B-70XF1
M27C256B-70XF1 is a Integrated Circuit component manufactured by STMicroelectronics. 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 | M27C256B-70XF1Source | DS75176BM/NOPB | M93C66-RMN3TP/K | SN74AHCT573PWRG4 | SN74HCT08D | SN74HCT273DWR |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOIC-14 | Small Outline Packages |
| Pin Count | 28 | 8 | 8 | 20 | 14 | 20 |
| Temperature Range | ~ 70.0°C | ~ 70.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $2.8215 | $4.2714 | $0.3201 | $0.1469 | $0.0608 | $0.3540 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| YTEOL | 0 | 0 | 15 | 15 | — | 15 |
| Access Time-Max | 70 ns | — | — | — | — | — |
| I/O Type | COMMON | — | — | — | — | — |
| JESD-30 Code | R-CDIP-T28 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G20 | — | R-PDSO-G20 |
| JESD-609 Code | e3 | e3 | e4 | e4 | — | e4 |
| Memory Density | 262144 bit | — | 4096 bit | — | — | — |
| Memory IC Type | UVPROM | — | EEPROM | — | — | — |
| Memory Width | 8 | — | 16 | — | — | — |
| Number of Functions | 1 | 1 | 1 | 8 | — | 8 |
| Number of Words | 32768 words | — | 256 words | — | — | — |
| Number of Words Code | 32000 | — | 256 | — | — | — |
| Operating Mode | ASYNCHRONOUS | — | SYNCHRONOUS | — | — | — |
| Organization | 32KX8 | — | 256X16 | — | — | — |
| Output Characteristics | 3-STATE | — | — | 3-STATE | — | — |
| Package Body Material | CERAMIC, METAL-SEALED COFIRED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | DIP28,.6 | SOP8,.25 | — | TSSOP20,.25 | — | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | IN-LINE, WINDOW | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — | SMALL OUTLINE |
| Parallel/Serial | PARALLEL | — | SERIAL | — | — | — |
| Programming Voltage | 12.75 V | — | — | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified | — | Not Qualified |
| Standby Current-Max | 0.0001 A | — | — | — | — | — |
| Supply Current-Max | 0.03 mA | 55 mA | — | — | — | — |
| Supply Voltage-Max (Vsup) | 5.25 V | — | 5.5 V | 5.5 V | — | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.75 V | — | 1.8 V | 4.5 V | — | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | — | 2.5 V | 5 V | — | 5 V |
| Surface Mount | NO | YES | YES | YES | — | YES |
| Technology | CMOS | BIPOLAR | CMOS | CMOS | — | CMOS |
| Temperature Grade | COMMERCIAL | COMMERCIAL | AUTOMOTIVE | AUTOMOTIVE | — | INDUSTRIAL |
| Terminal Finish | MATTE TIN | MATTE TIN | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | GULL WING | GULL WING | GULL WING | — | GULL WING |
| Terminal Pitch | 2.54 mm | 1.27 mm | 1.27 mm | 0.65 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | — | DUAL |
| ## M27C256B-70XF1 Alternates Showing results | Image | — | — | — | — | — |
| Additional Feature | — | COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER | — | — | — | — |
| Differential Output | — | YES | — | — | — | — |
| Driver Number of Bits | — | 1 | — | — | — | — |
| High Level Input Current-Max | — | 0.00002 A | — | — | — | — |
| Input Characteristics | — | DIFFERENTIAL SCHMITT TRIGGER | — | — | — | — |
| Interface IC Type | — | LINE TRANSCEIVER | — | — | — | — |
| Interface Standard | — | EIA-485; EIA-422 | — | — | — | — |
| Out Swing-Min | — | 1.5 V | — | — | — | — |
| Output Low Current-Max | — | 0.016 A | — | — | — | — |
| Peak Reflow Temperature (Cel) | — | 260 | 260 | 260 | — | 260 |
| Receive Delay-Max | — | 37 ns | — | — | — | — |
| Receiver Number of Bits | — | 1 | — | — | — | — |
| Supply Voltage-Max | — | 5.25 V | — | — | — | — |
| Supply Voltage-Min | — | 4.75 V | — | — | — | — |
| Supply Voltage-Nom | — | 5 V | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 30 | 30 | 30 | — | 30 |
| Transmit Delay-Max | — | 22 ns | — | — | — | — |
| ## DS75176BM/NOPB Alternates Showing results | — | Image | — | — | — | — |
| Factory Lead Time | — | — | 14 Weeks | — | — | — |
| Alternate Memory Width | — | — | 8 | — | — | — |
| Clock Frequency-Max (fCLK) | — | — | 2 MHz | — | — | — |
| Screening Level | — | — | AEC-Q100 | — | — | — |
| Serial Bus Type | — | — | MICROWIRE | — | — | — |
| Write Cycle Time-Max (tWC) | — | — | 4 ms | — | — | — |
| ## M93C66-RMN3TP/K Alternates Showing results | — | — | Image | — | — | — |
| Pbfree Code | — | — | — | Yes | — | Yes |
| Control Type | — | — | — | ENABLE LOW | — | — |
| Count Direction | — | — | — | UNIDIRECTIONAL | — | — |
| Family | — | — | — | AHCT/VHCT/VT | — | HCT |
| Load Capacitance (CL) | — | — | — | 50 pF | — | 50 pF |
| Logic IC Type | — | — | — | BUS DRIVER | — | D FLIP-FLOP |
| Max I(ol) | — | — | — | 0.008 A | — | 0.004 A |
| Number of Bits | — | — | — | 8 | — | 8 |
| Number of Ports | — | — | — | 2 | — | — |
| Output Polarity | — | — | — | TRUE | — | TRUE |
| Packing Method | — | — | — | TR, 13 INCH | — | TR |
| Power Supply Current-Max (ICC) | — | — | — | 0.04 mA | — | 0.08 mA |
| Prop. Delay@Nom-Sup | — | — | — | 10.5 ns | — | 42 ns |
| Propagation Delay (tpd) | — | — | — | 10.5 ns | — | 42 ns |
| ## SN74AHCT573PWRG4 Alternates Showing results | — | — | — | Image | — | — |
| Supply Voltage | — | — | — | — | 2V - 5.5V | — |
| Number of Gates | — | — | — | — | 4 | — |
| Logic Function | — | — | — | — | AND | — |
| Input Type | — | — | — | — | TTL-compatible CMOS | — |
| Operating Temperature | — | — | — | — | -40C to +85C | — |
| Propagation Delay | — | — | — | — | 7ns typical at 5V | — |
| Package | — | — | — | — | SOIC-14 | — |
| Max Frequency@Nom-Sup | — | — | — | — | — | 20000000 Hz |
| Trigger Type | — | — | — | — | — | POSITIVE EDGE |
| fmax-Min | — | — | — | — | — | 25 MHz |
| ## SN74HCT273DWR Alternates Showing results | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 5 alternatives for M27C256B-70XF1 — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for M27C256B-70XF1 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 M27C256B-70XF1 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 M27C256B-70XF1?
Known equivalents for M27C256B-70XF1 include DS75176BM/NOPB, M93C66-RMN3TP/K, SN74AHCT573PWRG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of M27C256B-70XF1?
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 M27C256B-70XF1 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.