MCP23S08T-E/SSAlternatives & Equivalent Parts
About MCP23S08T-E/SS
MCP23S08T-E/SS 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 | MCP23S08T-E/SSSource | MCP23S08-E/SS | AT91SAM7S256D-AU-999 | AT91SAM7X512-AU | AT24C256C-XHL-B |
|---|---|---|---|---|---|
| Manufacturer | Microchip | Microchip | Microchip | Microchip | Microchip |
| Package Type | Small Outline Packages | Small Outline Packages | Quad Flat Packages | Quad Flat Packages | Small Outline Packages |
| Pin Count | 20 | 20 | 64 | 100 | 8 |
| Temperature Range | — | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C |
| Price | $1.1105 | $1.1200 | $8.8100 | $14.2230 | $0.4250 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| Pbfree Code | Yes | Yes | Yes | — | Yes |
| Manufacturer Package Code | SSOP-20 | SSOP-20 | LQFP-64 | — | TSSOP-8 |
| Factory Lead Time | 6 Weeks | 6 Weeks | 1 Week | — | 9 Weeks |
| YTEOL | 9 | 9 | 14 | 0 | 14 |
| Qualification Status | Not Qualified | Not Qualified | — | — | Not Qualified |
| uPs/uCs/Peripheral ICs Type | PARALLEL IO PORT, GENERAL PURPOSE | PARALLEL IO PORT, GENERAL PURPOSE | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | — |
| ## MCP23S08T-E/SS Alternates Showing results | Image | — | — | — | — |
| Reach Compliance Code | — | Compliant | — | — | — |
| ## MCP23S08-E/SS Alternates Showing results | — | Image | — | — | — |
| Has ADC | — | — | YES | YES | — |
| Bit Size | — | — | 32 | 32 | — |
| Boundary Scan | — | — | YES | YES | — |
| CPU Family | — | — | ARM7TDMI | — | — |
| Clock Frequency-Max | — | — | 20 MHz | 50 MHz | — |
| DAC Channels | — | — | NO | NO | — |
| DMA Channels | — | — | YES | YES | — |
| Format | — | — | FIXED POINT | — | — |
| Integrated Cache | — | — | NO | — | — |
| JESD-30 Code | — | — | S-PQFP-G64 | S-PQFP-G100 | R-PDSO-G8 |
| JESD-609 Code | — | — | e3 | — | e4 |
| Low Power Mode | — | — | NO | — | — |
| Number of External Interrupts | — | — | 2 | — | — |
| Number of I/O Lines | — | — | 32 | 60 | — |
| Number of Serial I/Os | — | — | 2 | — | — |
| Number of Timers | — | — | 3 | — | — |
| On Chip Data RAM Width | — | — | 8 | — | — |
| On Chip Program ROM Width | — | — | 8 | 8 | — |
| PWM Channels | — | — | YES | YES | — |
| Package Body Material | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | — | — | QFP64,.47SQ,20 | — | TSSOP8,.25 |
| Package Shape | — | — | SQUARE | SQUARE | RECTANGULAR |
| Package Style | — | — | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE, FINE PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 | 260 |
| RAM (bytes) | — | — | 65536 | 131072 | — |
| ROM (words) | — | — | 262144 | 524288 | — |
| ROM Programmability | — | — | FLASH | FLASH | — |
| Speed | — | — | 55 MHz | 55 MHz | — |
| Supply Voltage-Max | — | — | 1.95 V | 1.95 V | — |
| Supply Voltage-Min | — | — | 1.8 V | 1.8 V | — |
| Supply Voltage-Nom | — | — | 1.8 V | 1.8 V | — |
| Surface Mount | — | — | YES | YES | YES |
| Technology | — | — | CMOS | CMOS | CMOS |
| Temperature Grade | — | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL |
| Terminal Finish | — | — | Matte Tin (Sn) | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | — | — | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | — | — | 0.5 mm | 0.5 mm | 0.65 mm |
| Terminal Position | — | — | QUAD | QUAD | DUAL |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | 40 |
| ## AT91SAM7S256D-AU-999 Alternates Showing results | — | — | Image | — | — |
| Clock Frequency-Max (fCLK) | — | — | — | — | 1 MHz |
| Data Retention Time-Min | — | — | — | — | 40 |
| Endurance | — | — | — | — | 1000000 Write/Erase Cycles |
| I2C Control Byte | — | — | — | — | 1010DDDR |
| Memory Density | — | — | — | — | 262144 bit |
| Memory IC Type | — | — | — | — | EEPROM |
| Memory Width | — | — | — | — | 8 |
| Number of Functions | — | — | — | — | 1 |
| Number of Ports | — | — | — | — | 1 |
| Number of Words | — | — | — | — | 32768 words |
| Number of Words Code | — | — | — | — | 32000 |
| Operating Mode | — | — | — | — | SYNCHRONOUS |
| Organization | — | — | — | — | 32KX8 |
| Parallel/Serial | — | — | — | — | SERIAL |
| Programming Voltage | — | — | — | — | 2.5 V |
| Serial Bus Type | — | — | — | — | I2C |
| Standby Current-Max | — | — | — | — | 0.000006 A |
| Supply Current-Max | — | — | — | — | 0.003 mA |
| Supply Voltage-Max (Vsup) | — | — | — | — | 5.5 V |
| Supply Voltage-Min (Vsup) | — | — | — | — | 1.7 V |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 2.5 V |
| Write Cycle Time-Max (tWC) | — | — | — | — | 5 ms |
| Write Protection | — | — | — | — | HARDWARE/SOFTWARE |
| ## AT24C256C-XHL-B 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 all 4 alternatives for MCP23S08T-E/SS — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for MCP23S08T-E/SS 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 MCP23S08T-E/SS 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 MCP23S08T-E/SS?
Known equivalents for MCP23S08T-E/SS include MCP23S08-E/SS, AT91SAM7S256D-AU-999, AT91SAM7X512-AU. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of MCP23S08T-E/SS?
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 MCP23S08T-E/SS 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.