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M45PE40 Datasheet(PDF) 25 Page - STMicroelectronics

Part No. M45PE40
Description  4 Mbit, Low Voltage, Page-Erasable Serial Flash Memory With Byte-Alterability and a 33 MHz SPI Bus Interface
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M45PE40 Datasheet(HTML) 25 Page - STMicroelectronics

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M45PE40
DC AND AC PARAMETERS
This section summarizes the operating and mea-
surement conditions, and the DC and AC charac-
teristics of the device. The parameters in the DC
and AC Characteristic tables that follow are de-
rived from tests performed under the Measure-
ment Conditions summarized in the relevant
tables. Designers should check that the operating
conditions in their circuit match the measurement
conditions when relying on the quoted parame-
ters.
Table 8. Operating Conditions
Table 9. AC Measurement Conditions
Note: Output Hi-Z is defined as the point where data out is no longer driven.
Figure 20. AC Measurement I/O Waveform
Table 10. Capacitance
Note: Sampled only, not 100% tested, at TA=25°C and a frequency of 20 MHz.
Symbol
Parameter
Min.
Max.
Unit
VCC
Supply Voltage
2.7
3.6
V
TA
Ambient Operating Temperature
–40
85
°C
Symbol
Parameter
Min.
Max.
Unit
CL
Load Capacitance
30
pF
Input Rise and Fall Times
5
ns
Input Pulse Voltages
0.2VCC to 0.8VCC
V
Input and Output Timing Reference Voltages
0.3VCC to 0.7VCC
V
Symbol
Parameter
Test Condition
Min.
Max.
Unit
COUT
Output Capacitance (Q)
VOUT = 0V
8
pF
CIN
Input Capacitance (other pins)
VIN = 0V
6
pF
AI00825B
0.8VCC
0.2VCC
0.7VCC
0.3VCC
Input and Output
Timing Reference Levels
Input Levels


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