MT28F004B5 Datasheet, PDF (24/32 Pages) Micron Technology – FLASH MEMORY

4Mb
SMART 5 BOOT BLOCK FLASH MEMORY
SPEED-DEPENDENT WRITE/ERASE AC TIMING CHARACTERISTICS AND
RECOMMENDED AC OPERATING CONDITIONS
TEST CONDITION 1
Commercial Temperature (0°C ≤ T_A ≤ +70°C) and Extended Temperature (-40°C ≤ T_A ≤ +85°C); VCC = +5V ±10%
AC CHARACTERISTICS
PARAMETER
WRITE cycle time
WE# HIGH pulse width
CE# HIGH pulse width
CE# pulse width
WE# pulse width
SYMBOL
t_WC
t_WPH
t_CPH
t_CP
t_WP
-6
MIN MAX
70
20
20
50
50
-8/-8 ET
MIN MAX
80
30
30
50
50
UNITS NOTES
ns
ns
ns
ns
ns
TEST CONDITION 2
(0°C ≤ T_A ≤ +70°C; VCC = +5V ±5%)
AC CHARACTERISTICS
PARAMETER
WRITE cycle time
WE# HIGH pulse width
CE# HIGH pulse width
CE# pulse width
WE# pulse width
SYMBOL
t_WC
t_WPH
t_CPH
t_CP
t_WP
-6
MIN MAX
60
20
20
50
50
UNITS NOTES
ns
ns
ns
ns
ns
4Mb Smart 5 Boot Block Flash Memory
F44_B.p65 – Rev. 7/02
24
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©2002, Micron Technology, Inc.