74HCU04D 查看數據表（PDF） - Unspecified

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74HCU04D

Hex unbuffered inverter

Unspecified 

NXP Semiconductors

74HCU04

Hex unbuffered inverter

Table 9. Optimum value for R2

Frequency

R2

Optimum for

3 kHz

6 kHz

10 kHz

14 kHz

2.0 k

8.0 k

1.0 k

4.7 k

0.5 k

2.0 k

0.5 k

1.0 k

minimum required ICC

minimum influence due to change in VCC

minimum required ICC

minimum influence by VCC

minimum required ICC

minimum influence by VCC

minimum required ICC

minimum influence by VCC

>14 kHz

-

replace R2 by C3 with a typical value of 35 pF

8

8

56

5

&

DDK

f

=

-1-  -------1--------

T 2.2RC

RS  2  R

The average ICC (mA) is approximately

3.5 + 0.05  f (MHz)  C (pF) at VCC = 5.0 V.

Fig 15. Astable multivibrator



LQSXW

FDSDFLWDQFH

S)

















DDO













9,9

VCC = 2.0 V

VCC = 3.0 V

VCC = 4.0 V

VCC = 5.0 V

VCC = 6.0 V

Tamb = 25 C.

Fig 16. Input capacitance as function of input voltage

74HCU04

Product data sheet

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

Rev. 7 — 8 December 2015

www.sycelectronica.com.ar

© NXP Semiconductors N.V. 2015. All rights reserved.

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