ST2378EBJR datasheet(11/22 Pages) STMICROELECTRONICS

11 / 22 page

ST2378E

Electrical characteristics

11/22

Symbol

Parameter

Test Condition

Value

Unit

CL=15pF tr=tf ≤ 6ns

Driver output

RT ≤ 50Ω

-40 to +85 °C

VL (V)

VCC (V)

Min.

Typ.

Max.

tIOVCC-VL

Propagation Delay Time(4)

I/OVCC-LH to I/OVL-LH

I/OVCC-HL to I/OVL-HL

tPLH

1.8

2.5

1.8

3.3

1.8

5.0

2.5

3.3

tPHL

1.8

2.5

1.8

3.3

1.8

5.0

2.5

3.3

tPZL tPZH

tPLZ tPZL

Output Enable and Disable Time

1.8

5.0

150

200

tOSLH

tOSHL

Channel to channel Skew Time

(6)(7)

1.8

0.1

1.8

5.0

0.5

Maximum Data Rate

1.8 to 5.0

VL to 5.0

Mbps

For normal operation, ensure VL < (VCC + 0.3V). During power-up, VL > (VCC + 0.3V) will not damage the device

For VCC = VL = 1.8V, tr = tf ≤ 4ns

Power Supply Range: VL, VCC 1.8V ± 5%, 2.5 ± 0.2V, 3.3 ± 0.3V, 5.0 ± 0.5V.

Typical values are referred to TA=25°CTypical values are referred to TA=25°C

5. Rise Time:10% to 90%, Fall Time 90% to 10%

6. tpd: 50% to 50%

7. 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|

8. Each translator equally loaded; parameter guaranteed by design

Table 5. AC Electrical characteristics (totem pole driving)

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