74LVC169D(2009) データシートの表示（PDF） - NXP Semiconductors.

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74LVC169D
(Rev.:2009)

Presettable synchronous 4-bit up/down binary counter

NXP Semiconductors. 

NXP Semiconductors

74LVC169

Presettable synchronous 4-bit up/down binary counter

PE

D0

D1

D2

D3

CP

U/D

CEP and CET

Q0

Q1

Q2

Q3

TC

13 14

load

15

012

count up

22 1

inhibit

Fig 7.

The following sequence is illustrated:

- Load (preset) to thirteen.

- Count up to fourteen, fifteen (maximum), zero, one and two.

- Inhibit.

- Countdown to one, zero (minimum), fifteen, fourteen and thirteen.

Typical timing sequence

0 15 14 13

count down

001aaa648

74LVC169_5

Product data sheet

Rev. 05 — 8 June 2009

© NXP B.V. 2009. All rights reserved.

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