74LVC573A 查看數據表（PDF） - ON Semiconductor

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74LVC573A

Low-Voltage CMOS Octal Transparent Latch

ON Semiconductor 

74LVC573A

Dn

Vmi

tPLH

On

Vmo

Vmi

tPHL

Vmo

VCC

0V

VOH

VOL

WAVEFORM 1 − PROPAGATION DELAYS

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

OE

Vmi

Vmi

tPZH

On

tPHZ

Vmo

VCC

0V

VOH

VHZ

tPZL

tPLZ

On

Vmo

VLZ

VOL

WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES

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

Dn

LE

1.5 V

On

ts

tw

tPLH, tPHL

1.5 V

2.7 V

1.5 V

0V

th

2.7 V

1.5 V

0V

VOH

VOL

Symbol 3.3 V ± 0.3 V

Vmi

1.5 V

Vmo

1.5 V

VHZ

VOL + 0.3 V

VLZ

VOH − 0.3 V

VCC

2.7 V

1.5 V

1.5 V

VOL + 0.3 V

VOH − 0.3 V

VCC < 2.7 V

VCC/2

VCC/2

VOL + 0.15 V

VOH − 015 V

WAVEFORM 3 − LE to On PROPAGATION DELAYS, LE MINIMUM

PULSE WIDTH, Dn to LE SETUP AND HOLD TIMES

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

Figure 3. AC Waveforms

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