M29W640DT(2004) データシートの表示（PDF） - STMicroelectronics

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M29W640DT
(Rev.:2004)

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

STMicroelectronics 

M29W640DT, M29W640DB

MAXIMUM RATING

Stressing the device above the rating listed in the

Absolute Maximum Ratings table may cause per-

manent damage to the device. Exposure to Abso-

lute Maximum Rating conditions for extended

periods may affect device reliability. These are

stress ratings only and operation of the device at

these or any other conditions above those indicat-

ed in the Operating sections of this specification is

not implied. Refer also to the STMicroelectronics

SURE Program and other relevant quality docu-

ments.

Table 8. Absolute Maximum Ratings

Symbol

Parameter

Min

Max

TBIAS

Temperature Under Bias

–50

125

TSTG

Storage Temperature

–65

150

TLEAD

Lead Temperature during Soldering(1)

260(2)

VIO

Input or Output Voltage (3,4)

–0.6

VCC +0.6

VCC

Supply Voltage

–0.6

4

VID

Identification Voltage

–0.6

13.5

VPP(5)

Program Voltage

–0.6

13.5

Note: 1. Compliant with the ECOPACK® 7191395 specification for Lead-free soldering processes.

2. Not exceeding 250°C for more than 30s, and peaking at 260°C.

3. Minimum voltage may undershoot to –2V during transition and for less than 20ns during transitions.

4. Maximum voltage may overshoot to VCC +2V during transition and for less than 20ns during transitions.

5. VPP must not remain at 12V for more than a total of 80hrs.

Unit

°C

°C

°C

V

V

V

V

19/49

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