M41ST87YMX6TR datasheet(41/48 Pages) STMICROELECTRONICS

41 / 48 page

M41ST87Y, M41ST87W

DC and AC parameters

41/48

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.

Table 15.

DC and AC measurement conditions

Note:

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

Figure 26.

AC testing input/output waveforms

Note:

50 pF for M41ST87W.

Table 16.

Capacitance

Parameter

M41ST87Y

M41ST87W

VCC supply voltage

4.5 to 5.5 V

2.7 to 3.6 V

Ambient operating temperature

–40 to 85°C

Load capacitance (CL)

100 pF

50 pF

Input rise and fall times

≤ 50 ns

Input pulse voltages

0.2 to 0.8VCC

Input and output timing ref. voltages

0.3 to 0.7VCC

AI02568

0.8VCC

0.2VCC

0.7VCC

0.3VCC

Symbol

Parameter(1)(2)

Effective capacitance measured with power supply at 5 V. Sampled only, not 100% tested.

At 25°C, f = 1 MHz.

Min

Max

Unit

CIN

Input capacitance

COUT

(3)

Outputs are deselected.

Output capacitance

tLP

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

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