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DS2223
Standard SRAM, 256X1, 1000ns, CMOS, PBCY3, TO-92, 3 PINDS2223
Standard SRAM, 256X1, 1000ns, CMOS, PBCY3, TO-92, 3 PIN
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Service & Packaging
Service & Packaging
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DS2223 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The DS2223 and DS2224 EconoRAMs are fully static, micro–powered, read/write memories in low–cost TO–92 or SOT–223 packages. The DS2223 is organized as a serial 256 x 1 bit static read/write memory. The DS2224’s first 32 bits are lasered with a unique ID code at the time of manufacture; the remaining 224 bits are static read/write memory. Signaling necessary for reading or writing is reduced to just one interface lead.FEATURES • Low–cost, general–purpose, 256–bit memory – DS2223 has 256–bit SRAM – DS2224 has 32–bit ROM, 224–bit SRAM • Reduces control, address and data interface to a single pin • Each DS2224 32–bit ROM is factory–lasered with a unique serial number • DS2224 portion of ROM with custom code and unique serial number available • Minimal operating power: 45 nanocoulombs per transaction @1.5V typical • Less than 15 nA standby current at 25°C • Nonvolatile data retention easily achieved via low–cost alkaline batteries or capacitors • Directly connects to a port pin of popular microcontrollers • Operation from 1.2 to 5.5 volts • Popular TO–92 or SOT–223 surface mount package • Operates over industrial temperature range –40°C to +85°C
Key Features
- Low–cost, general–purpose, 256–bit memory
- – DS2223 has 256–bit SRAM
- – DS2224 has 32–bit ROM, 224–bit SRAM
- Reduces control, address and data interface to a single pin
- Each DS2224 32–bit ROM is factory–lasered with a unique serial number
- DS2224 portion of ROM with custom code and unique serial number available
- Minimal operating power: 45 nanocoulombs per transaction @1.5V typical
- Less than 15 nA standby current at 25°C
- Nonvolatile data retention easily achieved via low–cost alkaline batteries or capacitors
- Directly connects to a port pin of popular microcontrollers
- Operation from 1.2 to 5.5 volts
- Popular TO–92 or SOT–223 surface mount package
- Operates over industrial temperature range –40°C to +85°C
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Part Package Code | TO-92 | Pin Count ! | 3 |
| Reach Compliance Code | not_compliant | ECCN Code | EAR99 |
| HTS Code ! | 8542.32.00.24 | Access Time-Max | 1000 ns |
| Additional Feature ! | SELF-TIMED 1-WIRE INTERFACE | I/O Type | COMMON |
| JESD-30 Code | O-PBCY-T3 | JESD-609 Code | e0 |
| Memory Density | 256 bit | Memory IC Type | STANDARD SRAM |
| Memory Width | 1 | Number of Functions | 1 |
| Number of Ports ! | 1, (1 LINE) | Number of Terminals | 3 |
| Number of Words | 256 words | Number of Words Code | 256 |
| Operating Mode ! | ASYNCHRONOUS | Operating Temperature-Max | 85 °C |
| Operating Temperature-Min | -40 °C | Organization | 256X1 |
| Output Characteristics | OPEN-DRAIN | Package Body Material | PLASTIC/EPOXY |
| Package Code | TO-92 | Package Equivalence Code | SIP3,.1,50 |
| Package Shape | ROUND | Package Style | CYLINDRICAL |
| Parallel/Serial | PARALLEL | Peak Reflow Temperature (Cel) | 240 |
| Power Supplies ! | 2/5.5 V | Qualification Status ! | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5 V | Supply Voltage-Min (Vsup) | 1.2 V |
| Supply Voltage-Nom (Vsup) | 5 V | Surface Mount ! | NO |
| Technology | CMOS | Temperature Grade ! | INDUSTRIAL |
| Terminal Finish | TIN LEAD | Terminal Form ! | THROUGH-HOLE |
| Terminal Pitch ! | 1.27 mm | Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 20 | Manufacturer | Analog Devices Inc. |
| Product Category ! | SRAM | Memory Size ! | 256 bit |
| Access Time | - | Maximum Clock Frequency | - |
| Interface Type | 1-Wire | Supply Voltage - Max | 5.5 V |
| Supply Voltage - Min | 1.2 V | Supply Current - Max | - |
| Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 85 C |
| Mounting Style | Through Hole | Package / Case | TO-92-3 |
| Brand | Analog Devices / Maxim Integrated | Memory Type ! | SDR |
| Product Type ! | SRAM | Series | DS2223 |
| Subcategory | Memory & Data Storage | Type | Asynchronous |
| Unit Weight | 0.016000 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is DS2223?
The DS2223 is a high-precision temperature sensor and monitor designed by Maxim Integrated. It is ideal for applications requiring accurate temperature measurements and thermal management, such as industrial equipment, automotive systems, and consumer electronics.
How Does DS2223 Work?
The DS2223 works by sensing temperature with high precision and providing temperature data to the system for monitoring and control. It utilizes integrated temperature sensor elements and analog-to-digital conversion to accurately measure temperature and communicate the data to digital systems. The device offers flexibility in temperature measurement and thermal management applications.
How Many Pins does DS2223 have and What are the Functions of the Pinout Configuration?
The DS2223 is housed in a 6-pin SOT-23 package. The pinout configuration includes:
- VDD: Power supply pin.
- GND: Ground pin.
- DQ: Data input/output pin for communication.
- ALERT: Alert output pin for temperature alarms and status indication.
What are the Pros and Cons of DS2223?
Pros:
- High Precision: Provides high-accuracy temperature sensing for critical applications.
- Small Package: Compact SOT-23 package for space-constrained designs.
- Low Power Consumption: Operates with low power, suitable for battery-powered devices.
- Alert Functionality: Includes an alert output for temperature alarms and status indication.
Cons:
- Single Function: Designed specifically for temperature sensing applications and may not offer additional sensor capabilities.
- Interface Limitations: May require additional components or interface circuitry for specific system integration.
Are There Any Equivalents/Alternatives to DS2223 for Recommendation?
- The DS18B20 from Maxim Integrated is a similar 1-Wire digital temperature sensor with additional features.
- Alternatives to the DS2223 include the TMP117 from Texas Instruments and the MCP9808 from Microchip Technology.
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