HEF4520BT,652 Просмотр технического описания (PDF) - NXP Semiconductors.

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HEF4520BT,652

Dual binary counter

NXP Semiconductors. 

NXP Semiconductors

4. Functional diagram

HEF4520B

Dual binary counter

Fig 1. Functional diagram

1 1CP0

2 1CP1

7 1MR

9 2CP0

10 2CP1

15 2MR

1Q0 3

1Q1 4

1Q2 5

1Q3 6

2Q0 11

2Q1 12

2Q2 13

2Q3 14

001aae698

nCP0

nCP1

nMR

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 1 2 3 4

nQ0

nQ1

nQ2

nQ3

001aae707

Fig 2. Timing diagram

nQ0

nQ1

nQ2

nQ3

nCP1

nCP0

Q

FF 1

T

CD Q

nMR

Fig 3. Logic diagram for one counter

Q

FF 2

T

CD Q

Q

FF 3

T

CD Q

HEF4520B

Product data sheet

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

Rev. 6 — 18 November 2011

Q

FF 4

T

CD Q

001aae705

© NXP B.V. 2011. All rights reserved.

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