ST2329I datasheet(13/22 Pages) STMICROELECTRONICS

13 / 22 page

ST2329I

Pin configuration

Doc ID 018508 Rev 1

13/22

2.3

AC characteristics (device driven by totem pole driver)

Table 10.

For test conditions: VL = 1.65 to 1.8 V (load CL = 15 pF; Rup = 10 kΩ;

driver tr = tf ≤ 2 ns) overtemperature range –40 °C to 85 °C

Symbol

Parameter

VCC = 1.8 - 2.5 V VCC = 2.7 - 3.6 V VCC = 4.3 - 5.5 V

Unit

Min.

Max.

Min.

Max.

Min.

Max.

tRVCC

Rise time I/OVCC

7.2

4.6

1.4

tFVCC

Fall time I/OVCC

23.2

33.9

53.3

tRVL

Rise time I/OVL

5.9

5.7

5.5

tFVL

Fall time I/OVL

16.4

17.6

16.9

tI/OVL-VCC

Propagation delay time

I/OVL-LH to I/OVCC-LH

I/OVL-HL to I/OVCC-HL

tPLH

5.5

4.1

3.6

tPLH

13.9

19.1

30.2

tI/OVCC-VL

Propagation delay time

I/OVCC-LH to I/OVL-LH

I/OVCC-HL to I/OVL-HL

tPLH

4.5

3.9

3.6

tPLH

8.6

9.0

9.5

tPZL tPZH

tPLZ tPHZ

Output enable and disable time

Dis

Data rate(1)

6.4

4.5

3.0

MHz

The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O

signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation is not less than 30%.

Note that the Rup of 4.7 kΩ is an effective R pull-up value. Since the device has an integrated 10 kΩ pull-up resistor, an

effective value of 4.7 k

Ω is obtained by adding an external 8.9 kΩ pull-up resistor.

Table 11.

For test conditions: VL = 2.5 to 2.7 V (load CL = 15 pF; Rup = 10 kΩ;

driver tr = tf ≤ 2 ns) overtemperature range –40 °C to 85 °C

Symbol

Parameter

VCC = 2.7 - 3.6 V

VCC= 4.3 - 5.5 V

Unit

Min.

Max.

Min.

Max.

tRVCC

Rise time I/OVCC

3.8

2.8

tFVCC

Fall time I/OVCC

14.8

19.1

tRVL

Rise time I/OVL

3.3

3.2

tFVL

Fall time I/OVL

9.8

10.0

tI/OVL-VCC

Propagation delay time

I/OVL-LH to I/OVCC-LH

I/OVL-HL to I/OVCC-HL

tPLH

3.2

2.8

tPLH

8.2

11.6

tI/OVCC-VL

Propagation delay time

I/OVCC-LH to I/OVL-LH

I/OVCC-HL to I/OVL-HL

tPLH

2.6

2.0

tPLH

5.3

5.9

tPZL tPZH

tPLZ tPHZ

Output enable and disable time

Dis

Data rate(1)

96.8

MHz

The data rate is guaranteed based on the condition that the output I/O signal rise/fall time is less than 15% of the input I/O

signal period; the input I/O signal is at 50% duty cycle and the output I/O signal duty cycle deviation is not less than 30%.

Note that the Rup of 4.7 kΩ is an effective R pull-up value. Since the device has an integrated 10 kΩ pull-up resistor, an

effective value of 4.7 k

Ω is obtained by adding an external 8.9 kΩ pull-up resistor.

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