ST2378EBJR datasheet(12/22 Pages) STMICROELECTRONICS

12 / 22 page

Electrical characteristics

ST2378E

12/22

Table 6. AC characteristic (open drain driving)

Symbol

Parameter

Test Condition (1)

Value

Unit

CL=15pF tr=tf ≤ 6ns

Driver output

RT ≤ 50Ω

(2)

-40 to +85 °C

VL (V)

(3)

VCC (V)

(3)

Min.

Typ. (4)

Max.

tRVCC

Rise Time I/OVCC

(3)(8)

1.8

210

300

1.8

5.0

150

tFCC

Fall Time I/OVCC

(3)(8)

1.8

5.0

tRVL

Rise Time I/OVL

(3)(8)

1.8

210

300

1.8

5.0

150

tFVL

Fall Time I/OVL

(3)(8)

1.8

5.0

tIOVL-VCC

Propagation Delay Time(4)

I/OVL-LH to I/OVCC-LH

I/OVL-HL to I/OVCC-HL

tPLH

1.8

210

300

1.8

5.0

100

150

tPHL

1.8

5.0

tIOVCC-VL

Propagation Delay Time(4)

I/OVCC-LH to I/OVL-LH

I/OVCC-HL to I/OVL-HL

tPLH

1.8

210

300

1.8

5.0

150

tPHL

1.8

5.0

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

5.0

Maximum Data Rate

1.8 to 5.0

VL to 5.0

800

kbps

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°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 desig

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