74HC_HCT7540

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 4 — 31 December 2012

2 of 16

NXP Semiconductors

74HC7540; 74HCT7540

Octal Schmitt trigger buffer/line driver; 3-state; inverting

4.

Functional diagram

5.

Pinning information

5.1 Pinning

Fig 1.

Logic symbol

Fig 2.

IEC logic symbol



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Fig 3.

Pin configuration DIP20, SO20

Fig 4.

Pin configuration SSOP20

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