23K640-I/SN Datasheet Download MICROCHIP
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MICROCHIP
SRAM
Part Information Full electrical specs per datasheet
- Part Number
- 23K640-I/SN
- Brand
- MICROCHIP
- Series
- 23K640
- Category
- Memory / SRAM
- Package
- SOIC-8
64K SPI bus low-power serial SRAM
Download Datasheet PDF
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Key Parameters 4 items · per datasheet
| Interface | SPI |
|---|---|
| Capacity | 64Kbit |
| Supply Voltage | 2.7V~3.6V |
| Operating Temp. | -40℃~+85℃ |
Alternative Parts 6 candidates · auto-compared by subcategory & key parameters
| Part Number | Brand | Verdict | Key Parameter Comparison | Datasheet |
|---|---|---|---|---|
| 23K256T-I/SN | MICROCHIP | UpgradeHigher capacity, works but may cost more | Capacity 64Kbit → 256KbitInterface SPI → SPIVoltage 2.7~3.6V → 2.7~3.6VPackage SOIC-8 → SOIC-8 | Download |
| 23LC1024-I/SN | MICROCHIP | UpgradeHigher capacity, works but may cost more | Capacity 64Kbit → 1MbitInterface SPI → SPIVoltage 2.7~3.6V → 2.5~5.5VPackage SOIC-8 → SOP-8 | Download |
| 23LC1024-I/ST | MICROCHIP | UpgradeHigher capacity, works but may cost more | Capacity 64Kbit → 1MbitInterface SPI → SPIVoltage 2.7~3.6V → 2.5~5.5VPackage SOIC-8 → TSSOP-8 | Download |
| 23LC1024T-I/SN | MICROCHIP | UpgradeHigher capacity, works but may cost more | Capacity 64Kbit → 1MbitInterface SPI → SPIVoltage 2.7~3.6V → 2.5~5.5VPackage SOIC-8 → SOP-8 | Download |
| 23LCV1024-I/SN | MICROCHIP | UpgradeHigher capacity, works but may cost more | Capacity 64Kbit → 1MbitInterface SPI → SPIVoltage 2.7~3.6V → 2.5~5.5VPackage SOIC-8 → SOIC-8 | Download |
| 23LCV512-I/SN | MICROCHIP | UpgradeHigher capacity, works but may cost more | Capacity 64Kbit → 512KbitInterface SPI → SPIVoltage 2.7~3.6V → 2.5~5.5VPackage SOIC-8 → SOIC-8 | Download |
The verdict is based on public parameters only (capacity/interface/package/pins/speed); timing margins, temperature grades, certifications and lot differences are not covered. Confirm with both datasheets before replacing; ask us for samples or validation support.
Pre-replacement Checklist (SRAM)
- Access timing grade (-10/-12 ns) vs controller margin
- Density & width (x8/x16)
- Standby/operating current
- Interface levels & output drive
- Package & pinout
These are standard checkpoints for this product type. Verify each item and pilot-test before full switch-in. Ask us for samples, a replacement assessment report or FAE support - free samples and validation assistance provided.
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