AT49F2048A-70TC Atmel, AT49F2048A-70TC Datasheet - Page 9

• Manufacturer Part Number: AT49F2048A-70TC
• Description: IC FLASH 2MBIT 70NS 48TSOP
• Manufacturer: Atmel

Specifications of AT49F2048A-70TC

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 2M (256K x 8 or 128K x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Data Polling Characteristics
Notes:
Data Polling Waveforms
Toggle Bit Characteristics
Notes:
Toggle Bit Waveforms
Notes:
1159F–04/01
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.
2.
3.
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
OE High Pulse
Write Recovery Time
Toggling either OE or CE or both OE and CE will operate toggle bit. The t
input(s).
Beginning and ending state of I/O6 will vary.
Any address location may be used but the address should not vary.
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
OE
OE
spec in “AC Read Characteristics” on page 6.
spec in “AC Read Characteristics” on page 6.
(2)
A0-A16
I/O6
WE
CE
OE
I/O7
WE
(1)(2)(3)
(2)
CE
OE
t
t
DH
(1)
OEH
t
DH
(1)
t
OEH
t
An
OE
t
OEHP
HIGH Z
t
OE
An
HIGH Z
An
OEHP
An
specification must be met by the toggling
t
WR
t
WR
An
Min
10
10
0
Min
150
10
10
0
AT49F2048A
Typ
Typ
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
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