as7c252mft18a ETC-unknow, as7c252mft18a Datasheet - Page 10

• Manufacturer Part Number: as7c252mft18a
• Manufacturer: ETC-unknow

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
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.
1/17/05, v 1.2
Description
Parameter
Alliance Semiconductor
t
t
t
t
t
t
t
t
ADSCH
t
ADSCS
ADSPH
ADSPS
ADVH
t
OHOE
ADVS
Sym
t
HZOE
t
t
LZOE
t
t
t
t
t
CYC
t
t
t
HZC
t
t
LZC
t
t
CSH
CSS
WH
CD
OH
CH
WS
AH
DH
OE
CL
AS
DS
Conditions
ZZ > V
Min
8.5
2.5
2.5
2.5
2.5
2.0
2.0
2.0
2.0
0.5
0.5
0.5
0.5
2.0
2.0
2.0
0.5
0.5
0.5
IH
–
–
0
0
-
-
–75
Max
7.5
3.5
3.5
4.0
®
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Symbol
t
I
t
t
t
RZZI
Min
PDS
PUS
SB2
ZZI
2.5
2.5
3.0
3.0
2.0
2.0
2.0
2.0
0.5
0.5
0.5
0.5
2.0
2.0
2.0
0.5
0.5
0.5
10
–
–
0
–
–
0
–85
Max
8.5
4.0
4.0
5.0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Min
2
2
0
Min
2.5
2.5
3.0
3.0
2.0
2.0
2.0
2.0
0.5
0.5
0.5
0.5
2.0
2.0
2.0
0.5
0.5
0.5
12
–
–
0
–
–
0
–10
AS7C252MFT18A
Max
4.0
4.0
5.0
10
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Max
80
2
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
Notes
cycle
cycle
cycle
Units
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