74F269_5

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Product data sheet

Rev. 05 — 25 March 2010

11 of 19

NXP Semiconductors

74F269

8-bit bidirectional binary counter

Measurement points are given in Table 8.

Fig 8.

Input (CET) to output (TC) propagation delay

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CET

TC

GND

Measurement points are given in Table 8.

Fig 9.

The up/down control input (U/D) to output (TC) propagation delay

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U/D

TC

GND

The shaded areas indicate when the input is permitted to change for predictable output performance.

Measurement points are given in Table 8.

Fig 10. Data input (Dn), parallel enable input (PE) and clock input (CP) set-up and hold times

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Dn

PE

CP

GND

GND

GND