74VCX1632245LBR datasheet(8/18 Pages) STMICROELECTRONICS

8 / 18 page

74VCX1632245

8/18

Table 9: AC Electrical Characteristics

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

Table 10: Capacitance Characteristics

1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without

load. (Refer to Test Circuit). Average current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/16 (per circuit)

Symbol

Parameter

Test Condition

Value

Unit

VCCB

(V)

VCCA

(V)

-40 to 85 °C

Min.

Max.

tPLH tPHL

Propagation Delay Time

An to Bn

1.8

± 0.15 2.5 ± 0.2

CL = 30 pF

RL = 500 Ω

1.0

5.8

1.8

± 0.15 3.3 ± 0.3

1.0

6.2

2.5

± 0.2 3.3 ± 0.3

1.0

4.4

tPLH tPHL

Propagation Delay Time

Bn to An

1.8

± 0.15 2.5 ± 0.2

CL = 30 pF

RL = 500 Ω

1.0

5.5

1.8

± 0.15 3.3 ± 0.3

1.0

5.1

2.5

± 0.2 3.3 ± 0.3

1.0

4.0

tPZL tPZH

Output Enable Time

G to An

1.8

± 0.15 2.5 ± 0.2

CL = 30 pF

RL = 500 Ω

1.0

5.3

1.8

± 0.15 3.3 ± 0.3

1.0

5.1

2.5

± 0.2 3.3 ± 0.3

1.0

4.0

tPZL tPZH

Output Enable Time

G to Bn

1.8

± 0.15 2.5 ± 0.2

CL = 30 pF

RL = 500 Ω

1.0

8.3

1.8

± 0.15 3.3 ± 0.3

1.0

8.2

2.5

± 0.2 3.3 ± 0.3

1.0

4.6

tPLZ tPHZ

Output Disable Time

G to An

1.8

± 0.15 2.5 ± 0.2

CL = 30 pF

RL = 500 Ω

1.0

5.2

1.8

± 0.15 3.3 ± 0.3

1.0

5.6

2.5

± 0.2 3.3 ± 0.3

1.0

4.8

tPLZ tPHZ

Output Disable Time

G to Bn

1.8

± 0.15 2.5 ± 0.2

CL = 30 pF

RL = 500 Ω

1.0

4.6

1.8

± 0.15 3.3 ± 0.3

1.0

4.5

2.5

± 0.2 3.3 ± 0.3

1.0

4.4

tOSLH

tOSHL

Output To Output Skew

Time (note1, 2)

1.8

± 0.15 2.5 ± 0.2

CL = 30 pF

RL = 500 Ω

0.5

1.8

± 0.15 3.3 ± 0.3

0.5

2.5

± 0.2 3.3 ± 0.3

0.75

Symbol

Parameter

Test Condition

Value

Unit

VCCB

(V)

VCCA

(V)

TA = 25 °C

-40 to 85 °C

Min.

Typ.

Max.

Min.

Max.

CINB

Input Capacitance

open

CI/O

Input/Output

Capacitance

2.5

3.3

CPD

Power Dissipation

Capacitance

2.5

3.3

f=10MHz

1.8

3.3

Obsolete

Product(s)

- Obsolete

Product(s)

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