| 251521 | AT40K40LV | 5K - 50K Gate FPGA with DSP Optimized Core Cell and Distributed FreeRam (3.3V) | Atmel |
| 251522 | AT40K40LV-2BGC | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251523 | AT40K40LV-2BGI | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251524 | AT40K40LV-2BQC | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251525 | AT40K40LV-2BQI | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251526 | AT40K40LV-2DQC | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251527 | AT40K40LV-2DQI | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251528 | AT40K40LV-2EQC | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251529 | AT40K40LV-2EQI | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251530 | AT40K40LV-2FQC | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251531 | AT40K40LV-2FQI | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251532 | AT40KAL | FPGA with FreeRAM | Atmel |
| 251533 | AT40KEL | Radiation Tolerant FPGA with FreeRAM | Atmel |
| 251534 | AT40KEL040KW1-E | Rad hard reprogrammable FPGA with FreeRAM. | Atmel |
| 251535 | AT40KEL040KW1SB | Rad hard reprogrammable FPGA with FreeRAM. | Atmel |
| 251536 | AT40KEL040KZ1-E | Rad hard reprogrammable FPGA with FreeRAM. | Atmel |
| 251537 | AT40KEL040KZ1SB | Rad hard reprogrammable FPGA with FreeRAM. | Atmel |
| 251538 | AT40KLV | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
| 251539 | AT40KXX | 5K - 50K Gates Coprocessor FPGA with FreeRAM | Atmel |
|
| 251540 | AT41470 | NPN SILICON BIPOLAR TRANSISTOR | Advanced Semiconductor |
| 251541 | AT41485 | Up to 6 GHz Low Noise Silicon Bipolar Transistor | Agilent (Hewlett-Packard) |
| 251542 | AT41486 | Up to 6 GHz Low Noise Silicon Bipolar Transistor | Agilent (Hewlett-Packard) |
| 251543 | AT41511 | General Purpose, Low Noise NPN Silicon Bipolar Transistor | Agilent (Hewlett-Packard) |
| 251544 | AT41532 | NPN SILICON TRANSISTOR | Agilent (Hewlett-Packard) |
| 251545 | AT41533 | General Purpose, Low Noise NPN Silicon Bipolar Transistor | Agilent (Hewlett-Packard) |
| 251546 | AT41586 | Low Cost General Purpose Transistors | Agilent (Hewlett-Packard) |
| 251547 | AT43101 | PCMCIA Card Memory Interface Circuit with 256 Bytes of Internal Attribute Memory EEPROM | Atmel |
| 251548 | AT431C | Low-voltage adjustable precision shunt regulator | Aimtron |
| 251549 | AT431UN | Low-voltage adjustable precision shunt regulator | Aimtron |
| 251550 | AT431UT | Low-voltage adjustable precision shunt regulator | Aimtron |
| 251551 | AT431X | Low-voltage adjustable precision shunt regulator | Aimtron |
| 251552 | AT431Z | Low-voltage adjustable precision shunt regulator | Aimtron |
| 251553 | AT43301 | Low cost, self- and bus-powered, full-speed HUB controller with ganged port power switching and global overcurrent protection | Atmel |
| 251554 | AT43301-AC | Low-cost USB hub controller. | Atmel |
| 251555 | AT43301-AL | Low-cost USB hub controller. | Atmel |
| 251556 | AT43301-SC | Low-cost USB hub controller. | Atmel |
| 251557 | AT43310 | USB Hub | Atmel |
| 251558 | AT43311 | USB Hub | Atmel |
| 251559 | AT43312 | Self- and Bus- Powered USB Hub Controller | Atmel |
| 251560 | AT43312A | Self- and bus-powered, full-speed HUB controller with individual port power switching and global overcurrent protection | Atmel |
