AT93C66B-SSHM-BAlternatives & Equivalent Parts
About AT93C66B-SSHM-B
AT93C66B-SSHM-B is a Integrated Circuit component manufactured by Microchip. 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 | AT93C66B-SSHM-BSource | M93C66-WMN6 | M93C66-WMN6P | 74LVCE1G125SE-7 | 93C66BXT-E/STG | CAT93C56VI-G | ERJ-2RKF1002X |
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip | STMicroelectronics | STMicroelectronics | Diodes Inc. | Microchip | ON Semiconductor | Panasonic |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOT23 (5-Pin) | Small Outline Packages | Other | Other |
| Pin Count | 8 | 8 | 8 | 5 | 8 | 8 | 2 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | — |
| Price | $0.2413 | $0.0934 | $0.1172 | $0.0457 | — | $0.4700 | $0.0028 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | — |
| Electrical Parameters | |||||||
| Pbfree Code | Yes | — | — | Yes | Yes | Yes | — |
| Manufacturer Package Code | SOIC-8 | — | — | — | — | — | — |
| Factory Lead Time | 16 Weeks | — | 8 Weeks | 12 Weeks | — | — | — |
| YTEOL | 14 | 0 | 5 | 6 | 5 | 0 | — |
| Additional Feature | 2.5V TO 5.5V @ 1MHz AND 1.7V TO 5.5V @ 0.25MHz | — | — | — | — | — | — |
| Alternate Memory Width | 8 | 8 | 8 | — | — | 8 | — |
| Clock Frequency-Max (fCLK) | 2 MHz | 2 MHz | 2 MHz | — | 2 MHz | 2 MHz | — |
| Data Retention Time-Min | 100 | 40 | 40 | — | — | 100 | — |
| Endurance | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | — | — | 1000000 Write/Erase Cycles | — |
| JESD-30 Code | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G8 | R-PDSO-G5 | R-PDSO-G8 | R-PDSO-G8 | — |
| JESD-609 Code | e3 | e0 | e4 | e3 | e3 | e4 | — |
| Memory Density | 4096 bit | 4096 bit | 4096 bit | — | 4096 bit | 2048 bit | — |
| Memory IC Type | EEPROM | EEPROM | EEPROM | — | EEPROM | EEPROM | — |
| Memory Width | 16 | 16 | 16 | — | 16 | 16 | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 | — |
| Number of Ports | 1 | — | — | 2 | — | — | — |
| Number of Words | 256 words | 256 words | 256 words | — | 256 words | 128 words | — |
| Number of Words Code | 256 | 256 | 256 | — | 256 | 128 | — |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS | SYNCHRONOUS | — | SYNCHRONOUS | SYNCHRONOUS | — |
| Organization | 256X16 | 256X16 | 256X16 | — | 256X16 | 128X16 | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOP8,.23 | SOP8,.25 | SOP8,.25 | TSSOP5/6,.08 | — | SOP8,.25 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE | — |
| Parallel/Serial | SERIAL | SERIAL | SERIAL | — | SERIAL | SERIAL | — |
| Peak Reflow Temperature (Cel) | 260 | — | 260 | 260 | — | 260 | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — |
| Serial Bus Type | 3-WIRE | MICROWIRE | MICROWIRE | — | MICROWIRE | MICROWIRE | — |
| Standby Current-Max | 0.000015 A | 0.000002 A | 0.000005 A | — | — | 0.000002 A | — |
| Supply Current-Max | 0.002 mA | 0.002 mA | 0.002 mA | — | 0.002 mA | 0.001 mA | — |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 5.5 V | — |
| Supply Voltage-Min (Vsup) | 4.5 V | 2.5 V | 2.5 V | 1.4 V | 4.5 V | 1.8 V | — |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V | 5 V | 3.3 V | 5 V | 5 V | — |
| Surface Mount | YES | YES | YES | YES | YES | YES | — |
| Technology | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | — |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | AUTOMOTIVE | INDUSTRIAL | — |
| Terminal Finish | Matte Tin (Sn) | TIN LEAD | NICKEL PALLADIUM GOLD | MATTE TIN | MATTE TIN | NICKEL PALLADIUM GOLD | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 1.27 mm | 1.27 mm | 1.27 mm | 0.65 mm | 0.65 mm | 1.27 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | — |
| Write Cycle Time-Max (tWC) | 5 ms | 5 ms | 5 ms | — | 6 ms | — | — |
| ## AT93C66B-SSHM-B Alternates Showing results | Image | — | — | — | — | — | — |
| Output Characteristics | — | 3-STATE | — | 3-STATE | — | — | — |
| Write Protection | — | SOFTWARE | SOFTWARE | — | — | SOFTWARE | — |
| ## M93C66-WMN6 Alternates Showing results | — | Image | — | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | — | 30 | — |
| ## M93C66-WMN6P Alternates Showing results | — | — | Image | — | — | — | — |
| Control Type | — | — | — | ENABLE LOW | — | — | — |
| Family | — | — | — | LVC/LCX/Z | — | — | — |
| Logic IC Type | — | — | — | BUS DRIVER | — | — | — |
| Output Polarity | — | — | — | TRUE | — | — | — |
| Packing Method | — | — | — | TR | — | — | — |
| Propagation Delay (tpd) | — | — | — | 9 ns | — | — | — |
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 6 alternatives for AT93C66B-SSHM-B — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for AT93C66B-SSHM-B 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 AT93C66B-SSHM-B 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 AT93C66B-SSHM-B?
Known equivalents for AT93C66B-SSHM-B include M93C66-WMN6, M93C66-WMN6P, 74LVCE1G125SE-7. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT93C66B-SSHM-B?
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 AT93C66B-SSHM-B 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.