M36W432B70ZA6T データシートの表示（PDF） - STMicroelectronics

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M36W432B70ZA6T

32 Mbit (2Mb x16, Boot Block) Flash Memory and 4 Mbit (256K x16) SRAM, Multiple Memory Product

STMicroelectronics 

M36W432T, M36W432B

Figure 12. Flash Power-Up and Reset AC Waveforms

WF,EF,GF

RPF

VDDF, VDDQF

tPHWL

tPHEL

tPHGL

tVDHPH

Power-Up

tPHWL

tPHEL

tPHGL

tPLPH

Reset

AI05210

Table 18. Flash Power-Up and Reset AC Characteristics

Symbol

Parameter

Test Condition

Flash

70

85

During

tPHWL

tPHEL

tPHGL

Reset High to Write Enable Low, Chip Enable

Low, Output Enable Low

Program and Min

Erase

50

50

others

Min

30

30

tPLPH(1,2) Reset Low to Reset High

Min 100

100

tVDHPH(3) Supply Voltages High to Reset High

Min

50

50

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 RPF in order to allow proper CPU initialization during power up or reset.

Unit

µs

ns

ns

µs

30/57

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