M28W320FSB Ver la hoja de datos (PDF) - STMicroelectronics

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componentes Descripción

Fabricante

M28W320FSB

32Mbit (2Mb x16) and 64Mbit (4Mb x16) 3V Supply, Boot Block, Secure Flash Memories

STMicroelectronics 

M28W320FST, M28W320FSB, M28W640FST, M28W640FSB

Figure 13. Power-Up and Reset AC Waveforms

W, E, G

RP

VDD, VDDQ

tPHWL

tPHEL

tPHGL

tVDHPH

Power-Up

tPHWL

tPHEL

tPHGL

tPLPH

Reset

AI03537b

Table 17. Power-Up and Reset AC Characteristics

Symbol

Parameter

Test Condition

tPHWL

tPHEL

tPHGL

Reset High to Write Enable Low, Chip Enable Low,

Output Enable Low

During Program

and Erase

Min

others

Min

tPLPH(1,2) Reset Low to Reset High

Min

tVDHPH(3) Supply Voltages High to Reset High

Min

Note: 1. The device Reset is possible but not guaranteed if tPLPH < 100ns.

2. Sampled only, not 100% tested.

3. It is important to assert RP in order to allow proper CPU initialization during power up or reset.

M28W320FST,

M28W320FST,

M28W640FST, Unit

M28W640FSB

70

50

µs

30

ns

100

ns

50

µs

29/55

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