as7c331mpfs18a Alliance Memory, Inc, as7c331mpfs18a Datasheet - Page 10

• Manufacturer Part Number: as7c331mpfs18a
• Description: 3.3v Pipelined Burst Synchronous Sram
• Manufacturer: Alliance Memory, Inc

Timing characteristics over operating range
1
Snooze Mode Electrical Characteristics
Current during Snooze Mode
ZZ active to input ignored
ZZ inactive to input sampled
ZZ active to SNOOZE current
ZZ inactive to exit SNOOZE current
Clock frequency
Cycle time
Clock access time
Output enable low to data valid
Clock high to output low Z
Data output invalid from clock high
Output enable low to output low Z
Output enable high to output high Z
Clock high to output high Z
Output enable high to invalid output
Clock high pulse width
Clock low pulse width
Address setup to clock high
Data setup to clock high
Write setup to clock high
Chip select setup to clock high
Address hold from clock high
Data hold from clock high
Write hold from clock high
Chip select hold from clock high
ADV setup to clock high
ADSP setup to clock high
ADSC setup to clock high
ADV hold from clock high
ADSP hold from clock high
ADSC hold from clock high
See “Notes” on page 16.
12/23/04, v 2.6
Description
Parameter
Alliance Semiconductor
Conditions
ZZ > V
IH
®
t
t
t
t
t
t
t
ADSCH
t
t
ADSCS
ADSPH
ADSPS
Symbol
OHOE
ADVH
Sym
t
HZOE
t
t
ADVS
f
t
LZOE
t
t
t
CYC
t
t
t
t
t
t
LZC
HZC
t
t
t
CSH
t
Max
CSS
WH
t
t
OH
WS
AH
DH
I
CD
OE
CH
t
RZZI
CL
AS
DS
PDS
PUS
SB2
ZZI
Min
1.5
2.4
2.3
1.5
1.5
1.5
1.5
0.5
0.5
0.5
0.5
1.5
1.5
1.5
0.5
0.5
0.5
–
6
–
–
0
0
–
–
0
–166
Max
166
Min
3.4
3.4
3.4
3.4
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
2
2
0
Min
AS7C331MPFS18A
7.5
1.5
2.4
2.4
1.5
1.5
1.5
1.5
0.5
0.5
0.5
0.5
1.5
1.5
1.5
0.5
0.5
0.5
–
–
–
0
0
–
–
0
–133
Max
133
3.8
3.8
3.8
3.8
Max
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
50
2
MHz
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
10 of 19
Units
cycle
cycle
cycle
Notes
mA
2, 3, 4
2, 3, 4
2, 3, 4
2, 3, 4
6, 7
6, 8
6, 7
6, 8
2
5
5
6
6
6
6
6
6
6
6
6
6
1