74LVC245A datasheet(6/9 Pages) ONSEMI

Part #	74LVC245A

Description	Low-Voltage CMOS Octal Buffer

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74LVC245A

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WAVEFORM 1 − PROPAGATION DELAYS

tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns

VCC

0 V

VOH

VOL

An, Bn

tPHL

tPLH

WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES

tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns

0 V

OE, T/R

tPZH

tPHZ

tPZL

tPLZ

Vmo

Vmi

Vmo

Figure 3. AC Waveforms

Vmi

VOH

VHZ

VOL

VCC

VLZ

Bn, An

An, Bn

Vmi

Symbol

VCC

1.2 V

1.8 V

+ 0.15 V

2.5 V

+ 0.2 V

2.7 V

3.3 V

+ 0.3 V

VI

VCC

2.7 V

Vmi

VCC/2

1.5 V

Vmo

VCC/2

1.5 V

VHZ

VOL + 0.15 V

VOL + 0.3 V

VLZ

VOH − 0.15 V

VOH − 0.3 V

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