AT49F4096-90RC Atmel, AT49F4096-90RC Datasheet - Page 8

• Manufacturer Part Number: AT49F4096-90RC
• Manufacturer: Atmel

Specifications of AT49F4096-90RC

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 18b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: SOIC
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 16b
• Number Of Words: 256K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Not Compliant

Program Cycle Characteristics
Program Cycle Waveforms
Sector or Chip Erase Cycle Waveforms
Notes:
8
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
1.
2.
3.
OE must be high only when WE and CE are both low.
For chip erase, the address should be 5555. For sector erase, the address depends on what sector is to be erased. (See
note 4 under command definitions.)
For chip erase, the data should be 10
Parameter
Word 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
AT49F4096
H
, and for sector erase, the data should be 30
Min
10
50
50
10
90
90
H
.
Max
50
10
seconds
Units
ns
ns
ns
ns
ns
ns
s