M41ST87Y datasheet(36/42 Pages) STMICROELECTRONICS

36 / 42 page

M41ST87Y, M41ST87W

36/42

DC AND AC PARAMETERS

This section summarizes the operating and mea-

surement 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 Measure-

ment Conditions listed in the relevant tables. De-

signers should check that the operating conditions

in their projects match the measurement condi-

tions 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 27. AC Testing Input/Output Waveforms

Note: 50pF for M41ST87W.

Table 16. Capacitance

Note: 1. Effective capacitance measured with power supply at 5V. Sampled only, not 100% tested.

2. At 25°C, f = 1MHz.

3. Outputs are deselected.

Parameter

M41ST87Y

M41ST87W

VCC Supply Voltage

4.5 to 5.5V

2.7 to 3.6V

Ambient Operating Temperature

–40 to 85°C

Load Capacitance (CL)

100pF

50pF

Input Rise and Fall Times

≤ 50ns

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)

Min

Max

Unit

CIN

Input Capacitance

COUT

(3)

Output Capacitance

tLP

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

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