Part Details for DS2502S by Dallas Semiconductor
Results Overview of DS2502S by Dallas Semiconductor
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (0 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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DS2502S Information
DS2502S by Dallas Semiconductor is an OTP ROM.
OTP ROMs are under the broader part category of Memory Components.
Memory components are essential in electronics for computer processing. They can be volatile or non-volatile, depending on the desired function. Read more about Memory Components on our Memory part category page.
Price & Stock for DS2502S
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | Min Qty: 1 | 275 |
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$3.5818 / $8.7360 | Buy Now |
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Quest Components | IC,EPROM,4X32X8,SOP, O T PROM, 8PIN,PLASTIC | 77 |
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$5.4600 / $11.7000 | Buy Now |
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Vyrian | Memory ICs | 6 |
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RFQ |
Part Details for DS2502S
DS2502S CAD Models
DS2502S Part Data Attributes
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DS2502S
Dallas Semiconductor
Buy Now
Datasheet
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DS2502S
Dallas Semiconductor
OTP ROM, 128X8, 15000ns, CMOS, PDSO8, SO-8
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| Rohs Code | No | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | DALLAS SEMICONDUCTOR | |
| Package Description | SO-8 | |
| Reach Compliance Code | unknown | |
| Access Time-Max | 15000 ns | |
| Additional Feature | MICROLAN COMPATIBLE | |
| I/O Type | COMMON | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e0 | |
| Memory Density | 1024 bit | |
| Memory IC Type | OTP ROM | |
| Memory Width | 8 | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Number of Words | 128 words | |
| Number of Words Code | 128 | |
| Operating Mode | ASYNCHRONOUS | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Organization | 128X8 | |
| Output Characteristics | OPEN-DRAIN | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Parallel/Serial | SERIAL | |
| Qualification Status | Not Qualified | |
| Supply Voltage-Max (Vsup) | 6 V | |
| Supply Voltage-Min (Vsup) | 2.8 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | YES | |
| Technology | CMOS | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL |
DS2502S Frequently Asked Questions (FAQ)
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Theoretically, up to 256 devices can be connected to a single 1-Wire bus, but in practice, the number is limited by the bus capacitance, wire length, and noise tolerance. A typical limit is around 10-20 devices.
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Use a 1-Wire bus repeater, such as the DS2482-100, to amplify and re-time the signal. Additionally, use twisted pair or shielded cable, and consider using a 1-Wire bus master with built-in noise filtering and error detection.
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No, the DS2502S is designed to operate from 2.8V to 3.3V. Operating the device at 5V may cause damage or unreliable operation. Use a voltage regulator or level shifter to ensure a compatible voltage supply.
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Use a dedicated 1-Wire bus reset circuit, such as the DS2482-100, which provides a robust reset signal and presence detection. Alternatively, use a software-based approach with a dedicated 1-Wire bus master IC, such as the DS2480B.
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The DS2502S supports a maximum data transfer rate of 16.3 kbps, which is the standard 1-Wire bus data rate. Faster data rates are not supported by this device.