54VCXH162374 datasheet(10/17 Pages) STMICROELECTRONICS

10 / 17 page

Electrical characteristics

54VCXH162374

10/17

Table 8. AC electrical characteristics (CL = 30pF, RL = 500Ω, Input tr = tf = 2.0ns)

Symbol

Parameter

Test condition

Value

Unit

VCC

(V)

-55 to 125 °C

Min

Max

tPLH tPHL

Propagation delay

time Dn to Qn

2.3 to 2.7

1.0

5.5

3.0 to 3.6

0.8

4.5

tPLH tPHL

Propagation delay

time LE to Qn

2.3 to 2.7

1.0

6.2

3.0 to 3.6

0.8

4.5

tPZL tPZH

Output enable time

2.3 to 2.7

1.0

5.1

3.0 to 3.6

0.8

4.6

tPLZ tPHZ

Output disable time

2.3 to 2.7

1.0

3.0 to 3.6

1.0

Setup tIme, HIGH or

LOW level Dn to LE

2.3 to 2.7

1.5

3.0 to 3.6

1.5

Hold time High or

LOW level Dn to LE

2.3 to 2.7

1.5

3.0 to 3.6

1.5

LE pulse width, HIGH

2.3 to 2.7

190

3.0 to 3.6

235

tOSLH tOSHL

Output to output skew

time (1) (2)

Skew is defined as the absolute value of the difference between the actual propagation delay for any two

outputs of the same device switching in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|,

tOSHL = | tPHLm - tPHLn|)

Parameter guaranteed by design

2.3 to 2.7

0.5

3.0 to 3.6

0.5

Table 9. Capacitive characteristics

Symbol

Parameter

Test condition

Value

Unit

VCC

(V)

TA = 25 °C

Min

Typ

Max

CIN

Input capacitance

2.5 or 3.3

VIN = 0 or VCC

6pF

COUT

Output capacitance

2.5 or 3.3

VIN = 0 or VCC

7pF

CPD

Power dissipation

capacitance (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 operating current can be

obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/16 (per circuit)

2.5 or 3.3

fIN = 10MHz

VIN = 0 or VCC

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