SN74LS299H 데이터 시트보기 (PDF) - ON Semiconductor

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SN74LS299H

8-Bit Shift/Storage Register with 3-State Outputs

ON Semiconductor 

SN74LS299

3-STATE WAVEFORMS

VIN

VOUT

1.3 V

tPLH

1.3 V

1.3 V

tPHL

1.3 V

Figure 1.

VIN

VOUT

1.3 V

tPLH

1.3 V

1.3 V

tPHL

1.3 V

Figure 2.

VE

VE

VOUT

1.5 V

1.5 V

tPZL

tPLZ

1.5 V

≈ 1.5 V

0.5 V

VOL

Figure 3.

VE

VE

tPZH

VOUT

1.5 V

tPHZ

1.5 V

1.5 V

≥ VOH

≈ 1.5 V

0.5 V

Figure 4.

TO OUTPUT

UNDER TEST

VCC

RL

SW1

AC LOAD CIRCUIT

SWITCH POSITIONS

SYMBOL

tPZH

tPZL

tPLZ

tPHZ

SW1

Open

Closed

Closed

Closed

SW2

Closed

Open

Closed

Closed

5 kΩ

CL*

SW2

* Includes Jig and Probe Capacitance.

Figure 5.

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