AT49F1025-45JC Atmel, AT49F1025-45JC Datasheet - Page 9

• Manufacturer Part Number: AT49F1025-45JC
• Manufacturer: Atmel

Specifications of AT49F1025-45JC

• Cell Type: NOR
• Density: 1Mb
• Access Time (max): 45ns
• Interface Type: Parallel
• Boot Type: Bottom
• Address Bus: 16b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PLCC
• Program/erase Volt (typ): 4.5 to 5.5V
• 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: 64K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 44
• Lead Free Status / Rohs Status: Not Compliant

Program Cycle Characteristics
Program Cycle Waveforms
Main Memory or Chip Erase Cycle Waveforms
Notes:
0765I–05/01
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
1. OE must be high only when WE and CE are both low.
2. For chip erase, the address should be 10H. For a main memory erase, the data should be 30H.
Parameter
Word Programming Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Erase Cycle Time
A0-A15
DATA
A0-A15
WE
OE
CE
t
AS
5555
t
WORD 0
AH
AA
t
t
WP
DS
2AAA
WORD 1
t
DH
55
5555
t
WPH
WORD 2
80
5555
WORD 3
AA
2AAA
WORD 4
Min
50
50
50
40
0
0
55
5555
WORD 5
NOTE 2
Typ
AT49F1024/1025
10
t
EC
Max
50
3
seconds
Units
µs
ns
ns
ns
ns
ns
ns
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