25LC640-I/PAlternatives & Equivalent Parts
About 25LC640-I/P
25LC640-I/P is a Integrated Circuit component manufactured by Microchip. 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 | 25LC640-I/PSource | 93LC66BT-I/OT | MCCOG21605D6W-SPTLYI | 25LC640A-I/P |
|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | MIDAS | Microchip |
| Package Type | Dual-In-Line Packages | SOT23 (6-Pin) | Other | Dual-In-Line Packages |
| Pin Count | 8 | 6 | 10 | 8 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | -40.0°C ~ 85.0°C |
| Price | $0.7367 | $0.2627 | — | $0.4300 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | — | Yes |
| Manufacturer Package Code | PDIP-8 | SOT-23-6 | — | PDIP-8 |
| Factory Lead Time | 8 Weeks | 16 Weeks | — | 8 Weeks |
| Date Of Intro | 1997-09-01 | — | — | — |
| YTEOL | 3 | 8 | — | 9 |
| Clock Frequency-Max (fCLK) | 2 MHz | 3 MHz | — | 10 MHz |
| Data Retention Time-Min | 200 | 200 | — | 200 |
| Endurance | 1000000 Write/Erase Cycles | 1000000 Write/Erase Cycles | — | 1000000 Write/Erase Cycles |
| JESD-30 Code | R-PDIP-T8 | R-PDSO-G6 | — | R-PDIP-T8 |
| JESD-609 Code | e3 | e3 | — | e3 |
| Memory Density | 65536 bit | 4096 bit | — | 65536 bit |
| Memory IC Type | EEPROM | EEPROM | — | EEPROM |
| Memory Width | 8 | 16 | — | 8 |
| Number of Functions | 1 | 1 | — | 1 |
| Number of Ports | 1 | 1 | — | 1 |
| Number of Words | 8192 words | 256 words | — | 8192 words |
| Number of Words Code | 8000 | 256 | — | 8000 |
| Operating Mode | SYNCHRONOUS | SYNCHRONOUS | — | SYNCHRONOUS |
| Organization | 8KX8 | 256X16 | — | 8KX8 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 | TSOP5/6,.11,37 | — | DIP8,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | — | IN-LINE |
| Parallel/Serial | SERIAL | SERIAL | — | SERIAL |
| Programming Voltage | 5 V | — | — | 5 V |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified |
| Screening Level | TS 16949 | TS 16949 | — | — |
| Serial Bus Type | SPI | MICROWIRE | — | SPI |
| Standby Current-Max | 0.000005 A | 0.000001 A | — | 0.000001 A |
| Supply Current-Max | 0.005 mA | 0.002 mA | — | 0.005 mA |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V | — | 5.5 V |
| Supply Voltage-Min (Vsup) | 2.5 V | 2.5 V | — | 2.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 3 V | — | 5 V |
| Surface Mount | NO | YES | — | NO |
| Technology | CMOS | CMOS | — | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL | — | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | — | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | GULL WING | — | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 0.95 mm | — | 2.54 mm |
| Terminal Position | DUAL | DUAL | — | DUAL |
| Write Cycle Time-Max (tWC) | 5 ms | 6 ms | — | 5 ms |
| Write Protection | HARDWARE | SOFTWARE | — | HARDWARE/SOFTWARE |
| Output Characteristics | — | TOTEM POLE | — | 3-STATE |
| Peak Reflow Temperature (Cel) | — | 260 | — | — |
| Ready/Busy | — | YES | — | — |
| Reverse Pinout | — | NO | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | 40 | — | — |
| Toggle Bit | — | YES | — | — |
| ## 93LC66BT-I/OT Alternates Showing results | — | Image | — | — |
| Additional Feature | — | — | — | OPERATES WITH 2.5VMIN @ 5MHZ |
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 25LC640-I/P — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for 25LC640-I/P 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 25LC640-I/P 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 25LC640-I/P?
Known equivalents for 25LC640-I/P include 93LC66BT-I/OT, MCCOG21605D6W-SPTLYI, 25LC640A-I/P. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of 25LC640-I/P?
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 25LC640-I/P 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.