M41T82 datasheet(46/58 Pages) STMICROELECTRONICS

46 / 58 page

DC and ac parameters

M41T82 M41T83

46/58

DC and ac parameters

This section summarizes the operating and measurement conditions, as well as the dc and

ac characteristics of the device. The parameters in the following dc and ac Characteristic

tables are derived from tests performed under the Measurement Conditions listed in the

relevant tables. Designers should check that the operating conditions in their projects match

the measurement conditions when using the quoted parameters.

Figure 23.

Measurement ac I/O waveform

Effective capacitance measured with power supply at 3.6V; sampled only, not 100% tested.

At 25°C, f = 1MHz.

Outputs deselected.

Table 18.

Operating and ac measurement conditions(1)

Output Hi-Z is defined as the point where data is no longer driven.

Parameter

M41T8x

Supply voltage (VCC)

2.38V to 5.5V

Ambient operating temperature (TA)

–40 to 85°C

Load capacitance (CL)

50pF

Input Rise and Fall times

≤ 5ns

Input Pulse voltages

0.2VCC to 0.8 VCC

Input and Output timing ref. voltages

0.3VCC to 0.7 VCC

Table 19.

Capacitance

Symbol

Parameter(1,2)

Min

Max

Unit

CIN

Input capacitance

COUT

(3)

Output capacitance

tLP

Low-pass filter input time constant (SDA and SCL)

AI02568

0.8VCC

0.2VCC

0.7VCC

0.3VCC

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