ST6G3238E datasheet(10/19 Pages) STMICROELECTRONICS

10 / 19 page

DC and AC parameters

ST6G3238E

10/19

Table 8.

AC electrical characteristics (f = 1MHz, 50% duty cycle, CL = 30pF, RL = 500Ω)

Note:

VIA = Input I/Os including CLK.h, CMD.h, DAT0.h, DAT1.h, DAT2.h, DAT3.h

VIB = Input I/Os including CMD, DAT0, DAT1, DAT2, DAT3

Symbol

Parameter

Test condition TA = -40 to 85 °C

Unit

VCCA = 1.8 ± 0.15V VCCA=1.8 ± 0.15V VCCA=2.5 ± 0.2V

VCCB=2.5 ± 0.2V

VCCB=2.7 ± 0.3V VCCB=2.7 ± 0.3V

Min.

Max.

Min.

Max.

Min.

Max.

tPLH tPHL

Propagation delay time An to Bn

1.0

7.2

1.0

6.6

1.0

6.1

tPLH tPHL

Propagation delay time Bn to An

1.0

8.1

1.0

7.5

1.0

5.0

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.

0.5

tCDLH tCDHL Clock and data skew time

0.5

fmax

Clock

From A to B

MHz

From B to A

Data

From A to B

Mbps

From B to A

Table 9.

Output slew rate (f = 1MHz, 50% duty cycle, CL=30pF, RL=500

Ω)

Symbol

Parameter

From

Test condition TA = -40 to 85 °C

Unit

VCCA = 1.8V ± 0.15V

VCCB = 3V ± 0.3V

Min.

Max.

Rise time

20%

80%

Fall time

80%

20%

Table 10.

Capacitance characteristics

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/OA

Input/Output

capacitance for

A-SIDE

3.3

2.5

CI/OB

Input/Output

capacitance for

B-SIDE

3.3

2.5

CPD

(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)

Power dissipation

capacitance

3.3

2.5

f = 10MHz

3.3

1.8

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