M29F400 データシートの表示（PDF） - STMicroelectronics

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M29F400

4 Mbit (512Kb x8 or 256Kb x16, Boot Block) single supply Flash memory

STMicroelectronics 

DC and AC parameters

8

DC and AC parameters

M29F400BT, M29F400BB

This section summarizes the operating measurement conditions, and the DC and AC

characteristics of the device. The parameters in the DC and AC characteristics Tables that

follow, are derived from tests performed under the Measurement Conditions summarized in

Table 9: AC measurement conditions. Designers should check that the operating conditions

in their circuit match the operating conditions when relying on the quoted parameters.

Table 9. AC measurement conditions

Parameter

AC Test Conditions

Load Capacitance (CL)

Input Rise and Fall Times

Input Pulse Voltages

Input and Output Timing Ref. Voltages

M29F400B

45 / 55

70 / 90

High Speed

30pF

≤ 10ns

0 to 3V

1.5V

Standard

100pF

≤ 10ns

0.45 to 2.4V

0.8V and 2.0V

Figure 6. AC testing input output waveform

High Speed

3V

0V

1.5V

Standard

2.4V

0.45V

2.0V

0.8V

AI01275B

28/40

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