AT49F040-15JC ATMEL [ATMEL Corporation], AT49F040-15JC Datasheet - Page 7

• Manufacturer Part Number: AT49F040-15JC
• Description: 4 Megabit 512K x 8 5-volt Only CMOS Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Note:
Program Cycle Characteristics
Program Cycle Waveforms
Chip Erase Cycle Waveforms
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
OE must be high only when WE and CE are both low.
Parameter
Byte Programming Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Erase Cycle Time
Min
50
50
90
90
0
0
Typ
10
AT49F040
Max
10
50
seconds
Units
ns
ns
ns
ns
ns
ns
s
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