at52br3244 ATMEL Corporation, at52br3244 Datasheet - Page 36

• 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

DC Electrical Characteristics
T
Note:
Capacitance
(Temp = 25°C, f = 1.0 MHz)
Note:
AC Characteristics
T
36
A
A
Symbol
I
I
I
I
I
I
V
V
Symbol
C
C
LI
LO
CC
CC1
SB
SB1
OL
OH
= -40°C to 85°C
IN
OUT
= -40°C to 85°C, Unless Otherwise Specified
#
1
2
3
1. Typical values are at V
1. These parameters are sampled and not 100% tested.
AT52BR3244(T)/3248(T)
Parameter
Input Leakage Current
Output Leakage Current
Operating Power Supply Current
Average Operating Current
Standby Current (TTL Input)
Standby Current (CMOS Input)
Output Low
Output High
Parameter
Input Capacitance (Add, SCS1,
SCS2, SLB, SUB, SWE, SOE)
Output Capacitance (I/O)
Symbol
t
(1)
t
t
ACS
RC
AA
Parameter
Read Cycle Time
Address Access Time
Chip Select Access Time
CC
= 1.8V T
A
= 25°C. Typical values are not 100% tested.
Test Condition
V
V
SCS1 = V
SOE = V
SUB = V
SCS1 = V
V
SCS1 = V
V
100% Duty, I
SCS1 < 0.2V, SCS2 > V
V
Cycle Time = 1 µs
100% Duty, I
SCS1 = V
SUB, SLB = V
V
SCS1 > V
SCS2 < V
SUB, SLB > V
V
V
I
I
OL
OH
SS
SS
IN
IN
IN
IN
IN
IN
= 0.1 mA
= -0.1 mA
= V
= V
< 0.2V or V
= V
> V
< V
< V
< V
IH
IH
IH
CC
SS
IN
OUT
IH
IH
or V
or V
or V
< V
+ 0.2V
IH
IL
IL
IH
CC
SS
- 0.2V or
, SLB = V
or SWE = VIL or
, SCS2=V
, SCS2 = V
< V
or SCS2=V
or SCS2 = V
Condition
I/O
I/O
+ 0.2V or
V
- 0.2V or
V
CC
IL
IL
IL
IH
CC
I/O
IN
, I
, Cycle Time = Min
CC
IN
= 0 mA
= 0 mA
I/O
= 0 V
,
- 0.2V
= 0 V
> V
= 0 mA
IH
CC
IH
IH
,
IL
- 0.2V,
CC
,
IL
or
- 0.2V
or
Min
70
LL
Max
10
8
70 ns
Min
2.4
-1
-1
Max
70
70
Typ
(1)
2471E–STKD–10/02
Unit
Max
pF
pF
0.5
0.4
40
25
1
1
5
5
Unit
ns
ns
ns
Unit
mA
mA
mA
mA
µA
µA
µA
V
V