at52bc3221a ATMEL Corporation, at52bc3221a Datasheet - Page 28

• Manufacturer Part Number: at52bc3221a
• Description: 32-mbit Flash 8-mbit Psram Stack Memory
• Manufacturer: ATMEL Corporation

AC Characteristics (PV
28
Read
Write
Page
AT52BC3221A(T)
Read Cycle Time
Address Access Time
Chip Select to Output
Output Enable to Valid Output
PUB, PLB Access Time
Chip Select to Low-Z Output
PUB, PLB Enable to Low-Z Output
Output Enable to Low-Z Output
Chip Disable to High-Z Output
PUB, PLB Disable to High-Z Output
Output Disable to High-Z Output
Output Hold from Address Change
Write Cycle Time
Chip Select to End of Write
Address Set-up Time
Address Valid to End of Write
PUB, PLB Valid to End of Write
Write Pulse Width
Write Recovery Time
Write to Output High-Z
Data to Write Time Overlap
Data Hold from Write Time
End Write to Output Low-Z
Page Mode Cycle Time
Page Mode Address Access Time
Maximum Cycle Time
PCS1 High Pulse Width
Parameter List
CC
= 2.7V – 3.3V, T
A
= -25°C to 85°C)
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WHZ
t
t
MRC
t
t
t
OHZ
t
t
t
t
OLZ
BHZ
PAA
BLZ
WC
CW
WR
DW
OW
RC
CO
OE
OH
AW
BW
WP
DH
AA
BA
HZ
AS
PC
CP
LZ
Min
25
10
70
10
10
70
60
60
60
50
20
5
0
0
0
5
0
0
0
0
5
Speed Bins
70 ns
20K
Max
40K
40K
25
70
70
25
70
5
5
5
5
3466A–STKD–11/04
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns