M29W640DT90N6F(2004) データシートの表示（PDF） - STMicroelectronics

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M29W640DT90N6F
(Rev.:2004)

64 Mbit (8Mb x8 or 4Mb x16, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

M29W640DT, M29W640DB

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 9. Operating and AC Measurement Conditions

Parameter

M29W640D

Min

Max

Unit

VCC Supply Voltage

2.7

3.6

V

Ambient Operating Temperature

–40

85

°C

Load Capacitance (CL)

30

pF

Input Rise and Fall Times

10

ns

Input Pulse Voltages

0 to VCC

V

Input and Output Timing Ref. Voltages

VCC/2

V

Figure 7. AC Measurement I/O Waveform

Figure 8. AC Measurement Load Circuit

VCC

0V

VCC/2

AI05557

VPP

VCC

DEVICE

UNDER

TEST

0.1µF 0.1µF

CL includes JIG capacitance

VCC

25kΩ

25kΩ

CL

AI05558

Table 10. Device Capacitance

Symbol

Parameter

CIN

Input Capacitance

COUT

Output Capacitance

Note: Sampled only, not 100% tested.

Test Condition

VIN = 0V

VOUT = 0V

Min

Max

Unit

6

pF

12

pF

20/49

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