74LS125 データシートの表示（PDF） - Motorola => Freescale

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74LS125

QUAD 3-STATE BUFFERS

Motorola => Freescale 

SN54/74LS125A • SN54/74LS126A

VIN

VOUT

1.3 V

tPLH

1.3 V

Figure 1

VE

VE

VOUT

1.3 V

tPZL

1.3 V

Figure 3

1.3 V

tPHL

1.3 V

VIN

VOUT

1.3 V

tPHL

1.3 V

1.3 V

tPLH

1.3 V

1.3 V

tPLZ

0.5 V

≈ 1.3 V

VOL

VE

VE

VOUT

Figure 2

1.3 V

tPZH

1.3 V

tPHZ

1.3 V

> VOH

≈ 1.3 V

0.5 V

Figure 4

TO OUTPUT

UNDER TEST

VCC

RL

SW1

Ω 5 k

CL

SW2

Figure 5

SWITCH POSITIONS

SYMBOL

SW1

SW2

tPZH

tPZL

tPLZ

tPHZ

Open

Closed

Closed

Closed

Closed

Open

Closed

Closed

FAST AND LS TTL DATA

5-209

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