| 152521 | 74ABT2541CMSA | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152522 | 74ABT2541CMSAX | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152523 | 74ABT2541CMTC | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152524 | 74ABT2541CMTCX | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152525 | 74ABT2541CPC | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs [Advanced] | Fairchild Semiconductor |
| 152526 | 74ABT2541CSC | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152527 | 74ABT2541CSCX | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152528 | 74ABT2541CSJ | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152529 | 74ABT2541CSJX | Octal Buffer/Line Driver with 25 Ohm Series Resistors in the Outputs | Fairchild Semiconductor |
| 152530 | 74ABT273 | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152531 | 74ABT273 | Octal D-Type Flip-Flop | National Semiconductor |
| 152532 | 74ABT273A | Octal D-type flip-flop | Philips |
| 152533 | 74ABT273AD | Octal D-type flip-flop | NXP Semiconductors |
| 152534 | 74ABT273AD | Octal D-type flip-flop | Philips |
| 152535 | 74ABT273ADB | Octal D-type flip-flop | NXP Semiconductors |
| 152536 | 74ABT273ADB | Octal D-type flip-flop | Philips |
| 152537 | 74ABT273AN | Octal D-type flip-flop | NXP Semiconductors |
| 152538 | 74ABT273AN | Octal D-type flip-flop | Philips |
| 152539 | 74ABT273APW | Octal D-type flip-flop | NXP Semiconductors |
|
| 152540 | 74ABT273APW | Octal D-type flip-flop | Philips |
| 152541 | 74ABT273CMSA | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152542 | 74ABT273CMSAX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152543 | 74ABT273CMTC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152544 | 74ABT273CMTCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152545 | 74ABT273CSC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152546 | 74ABT273CSCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152547 | 74ABT273CSJ | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152548 | 74ABT273CSJX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 152549 | 74ABT2952 | Octal Registered Transceiver | Fairchild Semiconductor |
| 152550 | 74ABT2952 | Octal Registered Transceiver | National Semiconductor |
| 152551 | 74ABT2952 | Octal registered transceiver 3-State | Philips |
| 152552 | 74ABT2952CMSA | Octal Registered Transceiver | Fairchild Semiconductor |
| 152553 | 74ABT2952CMSAX | Octal Registered Transceiver | Fairchild Semiconductor |
| 152554 | 74ABT2952CMTC | Octal Registered Transceiver | Fairchild Semiconductor |
| 152555 | 74ABT2952CMTCX | Octal Registered Transceiver | Fairchild Semiconductor |
| 152556 | 74ABT2952CSC | Octal Registered Transceiver | Fairchild Semiconductor |
| 152557 | 74ABT2952CSCX | Octal Registered Transceiver | Fairchild Semiconductor |
| 152558 | 74ABT2952CSPC | Octal Registered Transceiver [Advanced] | Fairchild Semiconductor |
| 152559 | 74ABT2952D | Octal registered transceiver 3-State | Philips |
| 152560 | 74ABT2952DB | Octal registered transceiver 3-State | Philips |
