74HC191D 查看數據表（PDF） - NXP Semiconductors.

零件编号

产品描述 (功能)

生产厂家

74HC191D

Presettable synchronous 4-bit binary up/down counter

NXP Semiconductors. 

Nexperia

74HC191

Presettable synchronous 4-bit binary up/down counter

Contents

1. General description...................................................... 1

2. Features and benefits.................................................. 1

3. Ordering information....................................................2

4. Functional diagram.......................................................2

5. Pinning information......................................................2

5.1. Pinning.........................................................................2

5.2. Pin description............................................................. 3

6. Functional description................................................. 3

7. Limiting values............................................................. 6

8. Recommended operating conditions..........................7

9. Static characteristics....................................................7

10. Dynamic characteristics............................................ 8

10.1. Waveforms and test circuit...................................... 10

11. Package outline........................................................ 14

12. Abbreviations............................................................ 16

13. Revision history........................................................16

14. Legal information......................................................17

© Nexperia B.V. 2018. All rights reserved

For more information, please visit: http://www.nexperia.com

For sales office addresses, please send an email to: salesaddresses@nexperia.com

Date of release: 5 October 2018

74HC191

Product data sheet

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

Rev. 4 — 5 October 2018

© Nexperia B.V. 2018. All rights reserved

18 / 18

Share Link: