74VCXHQ163245TTR datasheet(7/17 Pages) STMICROELECTRONICS

部品番号	74VCXHQ163245TTR

部品情報	16-BIT DUAL SUPPLY BUS TRANSCEIVER LEVEL TRANSLATOR WITH BUS HOLD AND EMI NOISE CONTROL

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74VCXHQ163245

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Table 8: Dynamic Switching Characteristics

Table 9: AC Electrical Characteristics (CLA = 10pF, CLB = 30pF, RL = 500Ω)

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

Symbol

Parameter

Test Condition

Value

Unit

VCCB

(V)

VCCA

(V)

TA = 25 °C

-40 to 85 °C

Min.

Typ.

Max.

Min.

Max.

VOLPA

Dynamic Low Level

Quiet An Output

1.8

2.5

CL =10pF

VIL =0V VIH =VCCB

0.15

V

1.8

3.3

0.20

2.5

3.3

0.20

VOLPB

Dynamic Low Level

Quiet Bn Output

1.8

2.5

CL =30pF

VIL =0V VIH =VCCA

0.25

V

1.8

3.3

0.25

2.5

3.3

0.60

VOLVA

Dynamic Low Level

Quiet An Output

1.8

2.5

CL =10pF

VIL =0V VIH =VCCB

-0.15

V

1.8

3.3

-0.20

2.5

3.3

-0.20

VOLVB

Dynamic Low Level

Quiet Bn Output

1.8

2.5

CL =30pF

VIL =0V VIH =VCCA

-0.25

V

1.8

3.3

-0.25

2.5

3.3

-0.60

VOHVA

Dynamic High Level

Quiet An Output

1.8

2.5

CL =10pF

VIL =0V VIH =VCCB

2.35

V

1.8

3.3

3.10

2.5

3.3

3.10

VOHVB

Dynamic High Level

Quiet Bn Output

1.8

2.5

CL =30pF

VIL =0V VIH =VCCA

1.70

V

1.8

3.3

1.70

2.5

3.3

2.00

Symbol

Parameter

Test Condition TA = -40 to 85 °C

Unit

VCCB= 1.8 ± 0.15V

VCCB= 2.5 ± 0.2V

VCCA= 2.5 ± 0.2V

VCCA= 3.3 ± 0.3V

Min.

Max.

Min.

Max.

Min.

Max.

tPLH tPHL

Propagation Delay Time

An to Bn

1.0

5.5

1.0

5.0

1.0

4.4

ns

tPLH tPHL

Propagation Delay Time

Bn to An

1.0

7.7

1.0

6.5

1.0

6.0

tPZL tPZH

Output Enable Time

G to An

1.0

8.5

1.0

7.1

1.0

6.5

ns

tPZL tPZH

Output Enable Time

G to Bn

1.0

7.0

1.0

7.0

1.0

5.0

tPLZ tPHZ

Output Disable Time

G to An

1.0

5.0

1.0

5.0

1.0

4.5

ns

tPLZ tPHZ

Output Disable Time

G to Bn

1.0

5.0

1.0

5.0

1.0

4.5

tOSLH

tOSHL

Output To Output Skew

Time (note1, 2)

0.5

0.75

ns

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