74LVC573A(2004) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

fabricante

74LVC573A
(Rev.:2004)

OCTAL D-TYPE LATCH HIGH PERFORMANCE

STMicroelectronics 

74LVC573A

Table 7: Dynamic Switching Characteristics

Test Condition

Value

Symbol

Parameter

VOLP

VOLV

Dynamic Low Level Quiet

Output (note 1)

VCC

TA = 25 °C

Unit

(V)

Min. Typ. Max.

3.3

CL = 50pF

VIL = 0V, VIH = 3.3V

0.8

-0.8

V

1) Number of output defined as "n". Measured with "n-1" outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is

measured in the LOW state.

Table 8: AC Electrical Characteristics

Test Condition

Value

Symbol

Parameter

VCC

CL

RL ts = tr -40 to 85 °C

-55 to 125 °C Unit

(V)

(pF) (Ω) (ns) Min. Max. Min. Max.

tPLH tPHL Propagation Delay 1.65 to 1.95 30 1000 2.0

TBD

TBD

Time D to Q

2.3 to 2.7 30 500 2.0

TBD

TBD

ns

2.7

50 500 2.5 1.5

7.8

1.5

9.4

3.0 to 3.6 50 500 2.5

1

6.8

1

8.2

tPLH tPHL Propagation Delay 1.65 to 1.95 30 1000 2.0

TBD

TBD

Time LE to Q

2.3 to 2.7 30 500 2.0

TBD

TBD

ns

2.7

50 500 2.5 1.5

7.8

1.5

9.4

3.0 to 3.6 50 500 2.5

1

6.8

1

8.2

tPZL tPZH Output Enable Time 1.65 to 1.95 30 1000 2.0

TBD

TBD

2.3 to 2.7 30 500 2.0

TBD

TBD

ns

2.7

50 500 2.5

1

8.7

1

10.4

3.0 to 3.6 50 500 2.5

1

7.7

1

9.2

tPLZ tPHZ Output Disable Time 1.65 to 1.95 30 1000 2.0

TBD

TBD

2.3 to 2.7 30 500 2.0

TBD

TBD

ns

2.7

50 500 2.5

2

7.6

2

9.1

3.0 to 3.6 50 500 2.5

2

7.0

2

8.4

tW

LE Pulse Width

1.65 to 1.95 30 1000 2.0 TBD

TBD

HIGH

2.3 to 2.7 30 500 2.0 TBD

TBD

ns

2.7

50 500 2.5 3.3

3.3

3.0 to 3.6 50 500 2.5 3.3

3.3

ts

Setup Time D to LE, 1.65 to 1.95 30 1000 2.0 TBD

TDB

(HIGH to LOW)

2.3 to 2.7 30 500 2.0 TBD

TBD

ns

2.7

50 500 2.5

2

2

3.0 to 3.6 50 500 2.5

2

2

th

Hold Time LE (HIGH 1.65 to 1.95 30 1000 2.0 TBD

TBD

to LOW) to D

2.3 to 2.7 30 500 2.0 TBD

TBD

ns

2.7

50 500 2.5 1.5

1.5

3.0 to 3.6 50 500 2.5 1.5

1.5

tOSLH

tOSHL

Output To Output

Skew Time (note1,

2)

2.7 to 3.6

1

1

ns

1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch-

ing in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|, tOSHL = | tPHLm - tPHLn|

2) Parameter guaranteed by design

4/13

Share Link: