AT29C040A-90PI Atmel, AT29C040A-90PI Datasheet - Page 12

• Manufacturer Part Number: AT29C040A-90PI
• Description: IC FLASH 4MBIT 90NS 32DIP
• Manufacturer: Atmel

Specifications of AT29C040A-90PI

• 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: -40°C ~ 85°C
• Package / Case: 32-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

21. Data Polling Characteristics
Notes:
22. Data Polling Waveforms
23. Toggle Bit Characteristics
Notes:
24. Toggle Bit Waveforms
Notes:
12
Symbol
t
t
t
t
Symbol
t
t
t
t
t
DH
OEH
OE
WR
DH
OEH
OE
OEHP
WR
1. These parameters are characterized and not 100% tested.
2. See t
1. These parameters are characterized and not 100% tested.
2. See t
1. Toggling either OE or CE or both OE and CE will operate toggle bit. The t
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
AT29C040A
input(s).
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
OE High Pulse
Write Recovery Time
OE
OE
spec in AC Read Characteristics.
spec in AC Read Characteristics.
(2)
(2)
(1)(2)(3)
(1)
(1)
OEHP
Min
Min
150
10
10
10
10
0
0
specification must be met by the toggling
Typ
Typ
Max
Max
0333L–FLASH–9/08
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns