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M29W400BB Datasheet(PDF) 18 Page - STMicroelectronics

Part No. M29W400BB
Description  4 Mbit (512Kb x8 or 256Kb x16, Boot Block) Low Voltage Single Supply Flash Memory
Download  25 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M29W400BB Datasheet(HTML) 18 Page - STMicroelectronics

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M29W400BT, M29W400BB
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Table 17. Reset/Block Temporary Unprotect AC Characteristics
(TA = 0 to 70°C or –40 to 85°C)
Note: 1. Sampled only, not 100% tested.
Symbol
Alt
Parameter
M29W400B
Unit
55
70
90 / 120
tPHWL
(1)
tPHEL
tPHGL
(1)
tRH
RP High to Write Enable Low, Chip Enable
Low, Output Enable Low
Min
50
50
50
ns
tRHWL
(1)
tRHEL
(1)
tRHGL
(1)
tRB
RB High to Write Enable Low, Chip Enable
Low, Output Enable Low
Min
0
0
0
ns
tPLPX
tRP
RP Pulse Width
Min
500
500
500
ns
tPHPHH
(1)
tVIDR
RP Rise Time to VID
Min
500
500
500
ns
tPLYH
(1)
tREADY
RP Low to Read Mode
Max
101010
µs
Figure 12. Reset/Block Temporary Unprotect AC Waveforms
AI02931
RB
W,
RP
tPLPX
tPHWL, tPHEL, tPHGL
tPLYH
tPHPHH
E, G
tRHWL, tRHEL, tRHGL


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