M28W800C-ZBT 데이터 시트보기 (PDF) - STMicroelectronics

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M28W800C-ZBT

8 Mbit (512Kb x16, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

M28W800CT, M28W800CB

Figure 12. 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 18. Power-Up and Reset AC Characteristics

Symbol

Parameter

M28W800C

Test Condition

70

85

90

tPHWL

tPHEL

tPHGL

Reset High to Write Enable Low, Chip

Enable Low, Output Enable Low

During

Program Min 50

50

50

and Erase

others Min 30

30

30

tPLPH(1,2) Reset Low to Reset High

Min 100 100 100

tVDHPH(3) Supply Voltages High to Reset High

Min 50

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

Unit

100

50 µs

30 ns

100 ns

50 µs

28/49

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