as7c33256ntd18b ETC-unknow, as7c33256ntd18b Datasheet - Page 9

• Manufacturer Part Number: as7c33256ntd18b
• Manufacturer: ETC-unknow

Timing characteristics over operating range
1 See “Notes” on page 15.
Snooze Mode Electrical Characteristics
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
Clock High to output High Z
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
Clock enable setup to clock High
ADV/LD
Address hold from clock High
Data hold from clock High
Write hold from clock High
ADV/LD
Clock enable hold from clock High
Chip select hold from clock High
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
2/8/05;
hold from clock High
setup to clock High
v.1.5
Parameter
Description
t
t
t
t
t
t
t
f
ADVH
t
Sym
t
HZOE
t
HZCN
ADVS
CENH
t
LZOE
t
CENS
t
MAX
t
t
t
t
CYC
t
t
HZC
t
LZC
t
t
t
CSH
CSS
WH
CD
OH
CH
WS
AH
DH
OE
CL
AS
DS
Conditions
ZZ > V
Alliance Semiconductor
Min
1.5
2.0
2.3
1.4
1.4
1.4
1.4
1.4
1.4
0.4
0.4
0.4
0.4
0.4
0.4
IH
–
5
–
–
0
0
–
–
–
-200
Max
200
3.0
3.0
3.0
3.0
1.5
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
®
Symbol
Min
t
1.5
2.4
2.4
1.5
1.5
1.5
1.5
1.5
1.5
0.5
0.5
0.5
0.5
0.5
0.5
I
t
t
t
RZZI
PDS
PUS
6
0
0
SB2
ZZI
-
-
-
-
-
-
-166
Max
166
3.5
3.5
3.5
3.5
1.5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Min
Min
7.5
1.5
2.5
2.5
1.5
1.5
1.5
1.5
1.5
1.5
0.5
0.5
0.5
0.5
0.5
0.5
2
2
0
0
0
-
-
-
-
-
-
-133
AS7C33256NTD18B
Max
133
4.0
4.0
4.0
4.0
2.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max
30
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
P. 9 of 18
Notes
2,3,4
2,3,4
2,3,4
2,3,4
cycle
cycle
cycle
cycle
Units
mA
4
5
6
6
7
7
7
7
7
7
7
7
7
7
7
7
1