ChipNobo Replacement
NB29C257-20JI
100% Pin-to-Pin CompatibleVerified by ChipNobo CVR
Image for reference only
Global Brand Reference
- Product type
- Memory
- Description
- IC FLASH 256KBIT PARALLEL 32PLCC
- Original MPN
- AT29C257-20JI
- Manufacturer
- Microchip Technology
ChipNobo MPN
NB29C257-20JI
- High-reliability design
- Long-term stable supply
- RoHS compliant
Technical specification comparison (core parameters)
| Parameter | Microchip TechnologyAT29C257-20JI | ChipNoboNB29C257-20JI | Match |
|---|---|---|---|
| Part Status | Active | Active | |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | |
| Mounting Type | Surface Mount | Surface Mount | |
| Programmable | Not Verified | Not Verified | |
| Memory Interface | Parallel | Parallel | |
| Memory Type | Non-Volatile | Non-Volatile | |
| Access Time | 200 ns | 200 ns | |
| Write Cycle Time - Word, Page | 10ms | 10ms | |
| Memory Size | 256Kbit | 256Kbit | |
| Memory Organization | 32K x 8 | 32K x 8 | |
| Package / Case | 32-LCC (J-Lead) | 32-LCC (J-Lead) | |
| Supplier Device Package | 32-PLCC (13.97x11.43) | 32-PLCC (13.97x11.43) | |
| Operating Temperature | -40°C ~ 85°C (TC) | -40°C ~ 85°C (TC) | |
| Memory Format | FLASH | FLASH | |
| Technology | FLASH | FLASH | |
| RoHS Status | RoHS non-compliant | RoHS non-compliant | |
| Moisture Sensitivity Level (MSL) | 2 (1 Year) | 2 (1 Year) |
Supply & lifecycle
| Lifecycle status | Active |
|---|---|
| NRND | No |
| EOL | No |
| PCN monitor | No |
| Last buy date | No Deadline |
| Alternate availability | Sufficient |
| Application areas | |
| AI Server | GPU Server |
| AI Accelerator Server | Data Center Switch |
| Laptop Notebook | Smartphone |
| ADAS Camera System | Smart Cockpit |
| 5G Base Station | Industrial Computer |
| Semiconductor Equipment | Medical Imaging Equipment |
Compatibility verification
封装匹配
Package Match
引脚匹配
Pin Match
电气参数匹配
Electrical Match
工作范围匹配
Operating Range Match
品质与可靠性匹配
Qualification Match
100%脚对脚兼容
Pin-to-pin Compatible
Pin-to-Pin Replacement Solutions
100% Pin-to-Pin Compatible • Same Package • Same Key Electrical Parameters • Same Application
Related products
View more >Part Number
NB29C257-20JI