at52br3244 ATMEL Corporation, at52br3244 Datasheet - Page 21

• 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

Program Cycle Characteristics
Program Cycle Waveforms
2471E–STKD–10/02
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
BP
BPVPP
AS
AH
DS
DH
WP
WPH
WC
SR/W
RP
RH
EC
ECVPP
SEC
SECVPP
EPS
A 0 - A20
DA T A
WE
OE
CE
Parameter
Word Programming Time (0V < V
Word Programming Time (V
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Write Cycle Time
Latency between Read and Write Operations
Reset Pulse Width
Reset High Time before Read
Chip Erase Cycle Time (V
Chip Erase Cycle Time (V
Sector Erase Cycle Time (V
Sector Erase Cycle Time (V
Erase or Program Suspend Time
t
AS
555
t
WC
t
AH
AA
PP
PP
PP
PP
PP
t
t
DS
< 4.5V)
> 4.5V)
WP
< 4.5V)
> 4.5V)
> 4.5V)
AAA
PP
< 4.5V)
t
DH
55
555
PROGRAM CYCLE
t
WPH
A0
ADDRESS
INPUT DATA
AT52BR3244(T)/3248(T)
Min
500
200
50
40
10
50
40
90
0
0
t
SR/W
Typ
200
100
20
10
READ ADDRESS
t
t
ACC
BP
VALID
OUTPUT
DATA
Max
400
150
50
25
10
15
5
seconds
seconds
Units
ms
ms
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
21