SN74LS374 データシートの表示（PDF） - ON Semiconductor

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SN74LS374

Octal Transparent Latch with 3-State Outputs; Octal D-Type Flip-Flop WITH 3-STATE OUTPUT

ON Semiconductor 

TO OUTPUT

UNDER TEST

VCC

RL

SW1

SN74LS373, SN74LS374

SN74LS373

AC LOAD CIRCUIT

SWITCH POSITIONS

SYMBOL

SW1

SW2

tPZH

tPZL

tPLZ

tPHZ

Open

Closed

Closed

Closed

Closed

Open

Closed

Closed

5.0 kΩ

CL*

SW2

* Includes Jig and Probe Capacitance.

Figure 4.

SN74LS374

AC WAVEFORMS

tWH

CP

Dn

tPLH

OUTPUT

tWL

1.3 V 1.3 V

1.3 V

ts

th

1.3 V

tPHL

1.3 V

1.3 V

Figure 5.

OE

tPZL

VOUT

1.3 V

1.3 V

Figure 6.

1.3 V

tPLZ

≈ 1.3 V

VOL

0.5 V

OE

tPZH

VOUT

1.3 V

tPHZ

1.3 V

Figure 7.

1.3 V

≥ VOH

≈ 1.3 V

0.5 V

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