AT49F040-90PC Atmel, AT49F040-90PC Datasheet - Page 8
![IC FLASH 4MBIT 90NS 32DIP](/photos/7/21/72192/313-32-dip_sml.jpg)
AT49F040-90PC
Manufacturer Part Number
AT49F040-90PC
Description
IC FLASH 4MBIT 90NS 32DIP
Manufacturer
Atmel
Datasheet
1.AT49F040-70VI.pdf
(13 pages)
Specifications of AT49F040-90PC
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
4M (512K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT49F04090PC
Program Cycle Characteristics
Program Cycle Waveforms
Chip Erase Cycle Waveforms
Note:
8
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 Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Erase Cycle Time
AT49F040
Min
50
50
90
90
0
0
Typ
10
Max
50
10
seconds
Units
µs
ns
ns
ns
ns
ns
ns