| 164601 | 74HC540U | Octal buffer/line driver; 3-state; inverting | Philips |
| 164602 | 74HC541 | Inverting Octal 3-STATE Buffer Octal 3-STATE Buffer | Fairchild Semiconductor |
| 164603 | 74HC541 | Octal 3-State Non-Inverting Buffer/Line Driver/Line Receiver | Motorola |
| 164604 | 74HC541 | 3-state | Philips |
| 164605 | 74HC541 | OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS | Texas Instruments |
| 164606 | 74HC541 | OCTAL BUS BUFFER INVERTING/NON-INVERTING, 3-STATE OUTPUTS | TOSHIBA |
| 164607 | 74HC541D | Octal buffer/line driver; 3-state | Nexperia |
| 164608 | 74HC541D | Octal buffer/line driver; 3-state | NXP Semiconductors |
| 164609 | 74HC541D | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 164610 | 74HC541D-Q100 | Octal buffer/line driver; 3-state | Nexperia |
| 164611 | 74HC541DB | Octal buffer/line driver; 3-state | Nexperia |
| 164612 | 74HC541DB | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 164613 | 74HC541N | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 164614 | 74HC541PW | Octal buffer/line driver; 3-state | Nexperia |
| 164615 | 74HC541PW | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 164616 | 74HC541PW-Q100 | Octal buffer/line driver; 3-state | Nexperia |
| 164617 | 74HC5555 | Programmable delay timer with oscillator | Philips |
| 164618 | 74HC5555D | Programmable delay timer with oscillator | Nexperia |
| 164619 | 74HC5555D | Programmable delay timer with oscillator | NXP Semiconductors |
|
| 164620 | 74HC5555D | Programmable delay timer with oscillator | Philips |
| 164621 | 74HC5555N | Programmable delay timer with oscillator | NXP Semiconductors |
| 164622 | 74HC5555N | Programmable delay timer with oscillator | Philips |
| 164623 | 74HC5555U | Programmable delay timer with oscillator | Philips |
| 164624 | 74HC563 | inverting | Philips |
| 164625 | 74HC563D | Octal D-type transparent latch; 3-state; inverting | NXP Semiconductors |
| 164626 | 74HC563D | 74HC/HCT563; Octal D-type transparent latch; 3-state; inverting | Philips |
| 164627 | 74HC563N | Octal D-type transparent latch; 3-state; inverting | NXP Semiconductors |
| 164628 | 74HC563N | 74HC/HCT563; Octal D-type transparent latch; 3-state; inverting | Philips |
| 164629 | 74HC563U | Octal D-type transparent latch; 3-state; inverting | Philips |
| 164630 | 74HC564 | inverting | Philips |
| 164631 | 74HC564D | Octal D-type flip-flop; positive-edge trigger; 3-state; inverting | NXP Semiconductors |
| 164632 | 74HC564D | 74HC564; Octal D-type flip-flop; positive-edge trigger; 3-state; inverting | Philips |
| 164633 | 74HC564N | Octal D-type flip-flop; positive-edge trigger; 3-state; inverting | NXP Semiconductors |
| 164634 | 74HC564N | 74HC564; Octal D-type flip-flop; positive-edge trigger; 3-state; inverting | Philips |
| 164635 | 74HC564U | Octal D-type flip-flop; positive-edge trigger; 3-state; inverting | Philips |
| 164636 | 74HC573 | 3-state | Philips |
| 164637 | 74HC573BQ | Octal D-type transparent latch; 3-state | Nexperia |
| 164638 | 74HC573BQ | Octal D-type transparent latch; 3-state | NXP Semiconductors |
| 164639 | 74HC573BQ | 74HC/HCT573; Octal D-type transparent latch; 3-state | Philips |
| 164640 | 74HC573BQ-Q100 | Octal D-type transparant latch; 3-state | Nexperia |
