HD74HC590FPEL データシートの表示（PDF） - Renesas Electronics

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HD74HC590FPEL

8-bit Binary Counter/Register (with 3-state outputs)

Renesas Electronics 

HD74HC590

• Waveform – 5 (CCK to RCK)

tr

tf

Input CCK

90 %

50 %

90 %

VCC

50 %

10 %

10 %

0V

tsu

th

90 %

VCC

Input RCK

50 %

50 %

10 %

10 %

0V

tr

tf

Note : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns

• Waveform – 6 (tZL, tZH, tLZ, tHZ)

tf

Input G

90 %

50 %

10 %

tZL

Waveform - A

50 %

tZH

Waveform - B

50 %

tr

10 %

90 %

50 %

tLZ

10 %

tHZ

90 %

VCC

0V

VOH

VOL

VOH

VOL

Notes : 1. Input waveform : PRR ≤ 1 MHz, duty cycle 50%, tr ≤ 6 ns, tf ≤ 6 ns

2. Waveform - A is for an output with internal conditions such that the

output is low except when disabled by the output control.

3. Waveform - B is for an output with internal conditions such that the

output is high except when disabled by the output control.

4. The output are measured one at a time with one transition per measurement.

Rev.2.00 Mar 30, 2006 page 8 of 9

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