at52br3244 ATMEL Corporation, at52br3244 Datasheet - Page 23

• Manufacturer Part Number: at52br3244
• Description: 32-megabit 2m X 16 Flash +4-megabit 256k X 16 / 8-megabit 512k X 16 Sram Stack Memory
• Manufacturer: ATMEL Corporation

Data Polling Characteristics
Notes:
Data Polling Waveforms
Toggle Bit Characteristics
Notes:
Toggle Bit Waveforms
Notes:
2471E–STKD–10/02
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.
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
The t
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
OEHP
OE
OE
spec in “AC Read Characteristics” on page 18.
spec in “AC Read Characteristics” on page 18.
specification must be met by the toggling input(s).
FWE
FCE
FOE
I/O6
(2)
(2)
(1)(2)(3)
FWE
FCE
FOE
I/O7
A0-A20
tDH
(1)
t
DH
t
OEH
(1)
t
OE
t
OEH
t
OE
An
HIGH Z
t
OEHP
HIGH Z
An
An
AT52BR3244(T)/3248(T)
An
150
Min
Min
10
10
10
10
0
0
An
t
t
WR
WR
Typ
Typ
Max
Max
Units
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
23