AT49F040-70PC Atmel, AT49F040-70PC Datasheet - Page 8

• Manufacturer Part Number: AT49F040-70PC
• Description: IC FLASH 4MBIT 70NS 32DIP
• Manufacturer: Atmel

Specifications of AT49F040-70PC

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Speed: 70ns
• 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

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