23K256-I/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
The Microchip 23K256-I/ST is a 256Kbit SPI-compatible serial SRAM in a TSSOP-8 package. It operates at up to 20 MHz clock frequency with separate I/O, supporting byte, page, and sequential operation modes. Available from stock with worldwide shipping starting at competitive pricing.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 23K256-I/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3365(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of 23K256-I/ST?
- 256Kbit SPI serial SRAM with up to 20 MHz clock frequency for high-speed data storage
- Supports byte, page, and sequential operation modes for flexible memory access
- Ultra-compact TSSOP-8 package with RoHS-compliant Pb-free construction
What is 23K256-I/ST used for?
The 23K256-I/ST is ideal for microcontroller-based systems requiring temporary data buffering, such as IoT sensor nodes, data loggers, and embedded control systems. Its SPI interface allows easy integration with popular MCUs and DSPs where additional RAM is needed beyond on-chip capacity. It is also widely used in consumer electronics, industrial automation, and communication equipment for fast, low-power data storage.
What are the specifications of 23K256-I/ST?
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-8 |
| Factory Lead Time | 6Weeks |
| YTEOL | 8 |
| Clock Frequency-Max (fCLK) | 20MHz |
| I/O Type | SEPARATE |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Memory Density | 262144bit |
| Memory IC Type | STANDARD SRAM |
| Memory Width | 8 |
| Number of Functions | 1 |
| Number of Ports | 1 |
| Number of Words | 32768words |
| Number of Words Code | 32000 |
| Operating Mode | SYNCHRONOUS |
| Organization | 32KX8 |
| Output Characteristics | 3-STATE |
| Output Enable | NO |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Parallel/Serial | SERIAL |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Standby Current-Max | 0.000004A |
| Standby Voltage-Min | 2.7V |
| Supply Current-Max | 0.01mA |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.32.00.51 |
| Country of Origin | Malaysia, Philippines, Thailand |
Where can I find the 23K256-I/ST datasheet?
23K256-I/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for 23K256-I/ST?
Compatible alternatives and drop-in replacements for 23K256-I/ST:
Frequently Asked Questions
What is the maximum clock frequency supported by the 23K256-I/ST?
The 23K256-I/ST supports a maximum SPI clock frequency of 20 MHz, enabling high-speed data transfers suitable for time-sensitive embedded applications requiring fast memory access.
What memory capacity does the 23K256-I/ST provide?
The 23K256-I/ST provides 256Kbit (32KB) of SRAM storage, organized for flexible byte, page, and sequential access modes over the SPI interface.
What package type is the 23K256-I/ST available in?
The 23K256-I/ST is packaged in a TSSOP-8 (Thin Shrink Small Outline Package with 8 pins), which is compact and suitable for space-constrained PCB designs.
Is the 23K256-I/ST RoHS compliant and lead-free?
Yes, the 23K256-I/ST carries a Pb-free code of 'Yes' and a JESD-609 code of e3, confirming it is fully RoHS compliant and manufactured without lead-containing materials.
What are typical applications for the 23K256-I/ST?
Typical applications include data buffering in IoT devices, data logging systems, industrial controllers, and any embedded design where a microcontroller needs additional external SRAM connected via a simple 4-wire SPI bus.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3365 | $0.34 |
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