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| 74HC21N | Dual 4-input AND gate | Philips Semiconductors | SOT27 | - | N/A | N/A | 74HC21N datasheet (33K) |
| 74HC21NB | Dual 4-input AND gate | Philips Semiconductors | SOT27 | - | N/A | N/A | 74HC21NB datasheet (33K) |
| 74HC21U | Dual 4-input AND gate | Philips Semiconductors | N/A | - | N/A | N/A | 74HC21U datasheet (33K) |
| 74HC221D | Dual non-retriggerable monostable multivibrator with reset | Philips Semiconductors | SOT109 | - | N/A | N/A | 74HC221D datasheet (250K) |
| 74HC221DB | Dual non-retriggerable monostable multivibrator with reset | Philips Semiconductors | SOT338 | - | N/A | N/A | 74HC221DB datasheet (250K) |
| 74HC221N | Dual non-retriggerable monostable multivibrator with reset | Philips Semiconductors | SOT38 | - | N/A | N/A | 74HC221N datasheet (250K) |
| 74HC237DB | 3-to-8 line decoder/demultiplexer with address latches | Philips Semiconductors | SOT338 | - | N/A | N/A | 74HC237DB datasheet (68K) |
| 74HC237N | 3-to-8 line decoder/demultiplexer with address latches | Philips Semiconductors | SOT38 | - | N/A | N/A | 74HC237N datasheet (68K) |
| 74HC237U | 3-to-8 line decoder/demultiplexer with address latches | Philips Semiconductors | N/A | - | N/A | N/A | 74HC237U datasheet (68K) |
| 74HC238D | 3-to-8 line decoder/demultiplexer | Philips Semiconductors | SOT109 | - | N/A | N/A | 74HC238D datasheet (49K) |