74HCT27D 查看數據表（PDF） - NXP Semiconductors.

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74HCT27D

Triple 3-input NOR gate

NXP Semiconductors. 

Nexperia

4. Functional diagram

74HC27; 74HCT27

Triple 3-input NOR gate

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Fig 1. Logic symbol



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Fig 2. IEC logic symbol

5. Pinning information

5.1 Pinning

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Fig 3. Logic diagram (one gate)

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Fig 4. Pin configuration SO14, (T)SSOP14

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(1) This is not a supply pin. The substrate is attached to this

pad using conductive die attach material. There is no

electrical or mechanical requirement to solder this pad.

However, if it is soldered, the solder land should remain

floating or be connected to GND.

Fig 5. Pin configuration DHVQFN14

74HC_HCT27

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 5.1 — 27 November 2015

© Nexperia B.V. 2017. All rights reserved

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