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M29W400T Datasheet(PDF) 14 Page - STMicroelectronics

Part # M29W400T
Description  4 Mbit 512Kb x8 or 256Kb x16, Boot Block Low Voltage Single Supply Flash Memory
PDF  34 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29W400T Datasheet(HTML) 14 Page - STMicroelectronics

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background image
Symbol
Alt
Parameter
Test
Condition
M29W400T / M29W400B
Unit
-90
-100
VCC = 3.0V to 3.6V
CL = 30pF
VCC = 2.7V to 3.6V
CL = 30pF
Min
Max
Min
Max
tAVAV
tRC
Address Valid to Next Address Valid
E=VIL,
G= VIL
90
100
ns
tAVQV
tACC
Address Valid to Output Valid
E=VIL,
G= VIL
90
100
ns
tELQX
(1)
tLZ
Chip Enable Low to Output
Transition
G= VIL
00
ns
tELQV
(2)
tCE
Chip Enable Low to Output Valid
G = VIL
90
100
ns
tGLQX
(1)
tOLZ
Output Enable Low to Output
Transition
E= VIL
00
ns
tGLQV
(2)
tOE
Output Enable Low to Output Valid
E = VIL
35
40
ns
tEHQX
tOH
Chip Enable High to Output
Transition
G= VIL
00
ns
tEHQZ
(1)
tHZ
Chip Enable High to Output Hi-Z
G = VIL
30
30
ns
tGHQX
tOH
Output Enable High to Output
Transition
E= VIL
00
ns
tGHQZ
(1)
tDF
Output Enable High to Output Hi-Z
E = VIL
30
30
ns
tAXQX
tOH
Address Transition to Output
Transition
E=VIL,
G= VIL
00
ns
tPLYH
(1,3)
tRRB
tREADY
RP Low to Read Mode
10
10
µs
tPHEL
tRH
RP High to Chip Enable Low
50
50
ns
tPLPX
tRP
RP Pulse Width
500
500
ns
tELBL
tELBH
tELFL
tELFH
Chip Enable to BYTE Switching Low
or High
55
ns
tBLQZ
tFLQZ
BYTE Switching Low to Output
High Z
50
50
ns
tBHQV
tFHQV
BYTE Switching High to Output
Valid
50
50
ns
Notes: 1. Sampled only, not 100% tested.
2. G may be delayed by up to tELQV -tGLQV after the falling edge of E without increasing tELQV.
3. To be considered only if the Reset pulse is given while the memory is in Erase or Program mode.
Table 14A. Read AC Characteristics
(TA = 0 to 70
°C, –20 to 85°C or –40 to 85°C)
14/34
M29W400T, M29W400B



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