AT27C040-70JUAlternatives & Equivalent Parts
About AT27C040-70JU
AT27C040-70JU is a Integrated Circuit component manufactured by Microchip. It comes in a Plastic Leaded Chip Carrier 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 | AT27C040-70JUSource | AT27C040-70JU-T |
|---|---|---|
| Manufacturer | Microchip | Microchip |
| Package Type | Plastic Leaded Chip Carrier | Plastic Leaded Chip Carrier |
| Pin Count | 32 | 32 |
| Temperature Range | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $6.8352 | $6.7840 |
| Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE |
| Electrical Parameters | ||
| Pbfree Code | Yes | — |
| Manufacturer Package Code | PLCC-32 | PLCC-32 |
| Factory Lead Time | 6 Weeks | 6 Weeks |
| YTEOL | 4 | 13 |
| Access Time-Max | 70 ns | 70 ns |
| I/O Type | COMMON | COMMON |
| JESD-30 Code | R-PQCC-J32 | R-PQCC-J32 |
| JESD-609 Code | e3 | e3 |
| Memory Density | 4194304 bit | 4194304 bit |
| Memory IC Type | OTP ROM | OTP ROM |
| Memory Width | 8 | 8 |
| Number of Functions | 1 | 1 |
| Number of Ports | 1 | 1 |
| Number of Words | 524288 words | 524288 words |
| Number of Words Code | 512000 | 512000 |
| Operating Mode | ASYNCHRONOUS | ASYNCHRONOUS |
| Organization | 512KX8 | 512KX8 |
| Output Characteristics | 3-STATE | 3-STATE |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | LCC32,.45X.55 | LCC32,.45X.55 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | CHIP CARRIER | CHIP CARRIER |
| Parallel/Serial | PARALLEL | PARALLEL |
| Peak Reflow Temperature (Cel) | 245 | — |
| Programming Voltage | 13 V | 13 V |
| Qualification Status | Not Qualified | — |
| Standby Current-Max | 0.0001 A | 0.00001 A |
| Supply Current-Max | 0.03 mA | 0.03 mA |
| Supply Voltage-Max (Vsup) | 5.5 V | 5.5 V |
| Supply Voltage-Min (Vsup) | 4.5 V | 4.5 V |
| Supply Voltage-Nom (Vsup) | 5 V | 5 V |
| Surface Mount | YES | YES |
| Technology | CMOS | CMOS |
| Temperature Grade | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | J BEND | J BEND |
| Terminal Pitch | 1.27 mm | 1.27 mm |
| Terminal Position | QUAD | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 | — |
| Reach Compliance Code | — | Compliant |
| ## AT27C040-70JU-T Alternates Showing results | — | Image |
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 this alternative for AT27C040-70JU — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for AT27C040-70JU 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 AT27C040-70JU 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 AT27C040-70JU?
Known equivalents for AT27C040-70JU include AT27C040-70JU-T. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of AT27C040-70JU?
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 AT27C040-70JU 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.