ST2378EBJR datasheet(6/14 Pages) STMICROELECTRONICS

6 / 14 page

ST2378E

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AC ELECTRICAL CHARACTERISTICS

1) Typical values are referred to TA=25°C

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

3) Rise Time:10% to 90%, Fall Time 90% to 10%

4) tpd: 50% to 50%

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

6) 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|

7) Each translator equally loaded; parameter guaranteed by design

Symbol

Parameter

Test Condition(5)

Value

Unit

CL=15pF tr=tf ≤ 6ns

Driver output

RT ≤ 50Ω

-40 to +85 °C

VL (V)

(2)

VCC (V)

(2)

Min.

Typ.(1)

Max.

tRVCC

Rise Time I/OVCC

(3)

1.8

2.5

1.8

3.3

2.5

3.3

tFVCC

Fall Time I/OVCC

(3)

1.8

2.5

1.8

3.3

2.5

3.3

tRVL

Rise Time I/OVL

(3)

1.8

2.5

1.8

3.3

2.5

3.3

tFVL

Fall Time I/OVL

(3)

1.8

2.5

1.8

3.3

2.5

3.3

tIOVL-VCC Propagation Delay Time(4)

I/OVL-LH to I/OVCC-LH

I/OVL-HL to I/OVCC-HL

tPLH

1.8

2.5

1.8

3.3

2.5

3.3

tPHL

1.8

2.5

1.8

3.3

2.5

3.3

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

2.5

3.3

tPHL

1.8

2.5

1.8

3.3

2.5

3.3

tPZL tPZH

tPLZ tPHZ

Output Enable and Disable Time

1.8

2.5

1.8

3.3

2.5

3.3

Maximum Data Rate

1.8

2.5

Mbps

1.8

3.3

2.5

3.3

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