HD74LS14 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS14

Hex Schmitt Trigger Inverters

Renesas Electronics 

HD74LS14

Testing Method

Test Circuit

VCC Output

Input

P.G.

Zout=50Ω

RL

CL

Notes: 1. All diodes are 1S2074(H).

2. CL includes probe and jig capacitance.

Waveform

tTLH

tTHL

90%

90%

3V

Input

10%

1.6 V

0.7 V 10%

0V

tPHL

tPLH

Output

1.3 V

VOH

1.3 V

VOL

Note: Input pulse: tTLH ≤ 15 ns, tTHL ≤ 6 ns PRR = 1 MHz, duty cycle 50%.

Rev.3.00, Jul.13.2005, page 4 of 5

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