at52br3244 ATMEL Corporation, at52br3244 Datasheet - Page 18

• 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

AC Read Characteristics
AC Read Waveforms
Notes:
18
Symbol
t
t
t
t
t
t
ACC
CE
OE
DF
OH
RO
(3)(4)
(1)
(2)
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
AT52BR3244(T)/3248(T)
t
CE
DF
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or
Address, whichever
occurred first
RESET to Output Delay
is specified from OE or CE, whichever occurs first (CL = 5 pF).
or by t
ACC
- t
OE
after an address change without impact on t
RESET
(1)(2)(3)(4)
OUTPUT
ADDRESS
OE
CE
ACC
CE
AT52BR3244(T)/3248(T)-85
- t
- t
OE
CE
Min
after the falling edge of CE without impact on
0
0
0
after the address transition without impact on t
HIGH Z
tACC
tRO
ADDRESS VALID
Max
600
tCE
85
85
40
25
tOE
AT52BR3244(T)/3248(T)-90
Min
ACC
0
0
0
OUTPUT
VALID
.
tOH
Max
600
90
90
40
25
tDF
ACC
.
AT52BR3244(T)/3248(T)-110
Min
0
0
0
Max
110
110
600
40
25
2471E–STKD–10/02
Units
ns
ns
ns
ns
ns
ns