AS7C33512PFS16A
AS7C33512PFS18A
®
.
Timing characteristics for 2.5 V I/ O operation
–166
–150
–133
–100
Parameter
Symbol Min Max Min Max Min Max Min Max Unit Notes1
Clock frequency
fMax
tCYC
tCYCF
tCD
–
6
166
–
–
6.6
10
-
150
–
–
7.5
12
-
133
–
–
10
12
-
100 MHz
Cycle time (pipelined mode)
–
–
ns
ns
Cycle time (flow-through mode)
Clock access time (pipelined mode)
Clock access time (flow-through mode)
Output enable low to data valid
10
-
–
–
–
3.8
9
4.0
10
3.8
–
4.2
10
4.0
–
5.0 ns
12 ns
5.0 ns
tCDF
tOE
tLZC
tOH
–
–
–
–
–
3.5
–
–
–
–
Clock high to output low Z
0
0
0
0
–
–
ns
ns
2,3,4
2
Data output invalid from clock high (Pipelined Mode)
1.5
–
1.5
–
1.5
–
1.5
tOHF
Data Output invalid from clock high (Flow-through
Mode)
3.0
–
3.0
–
3.0
–
3.0
ns
ns
2
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
tLZOE
tHZOE
tHZC
tOHOE
tCH
0
–
3.5
3.5
–
0
–
3.8
3.8
–
0
–
4.0
4.0
–
0
–
2,3,4
2,3,4
2,3,4
–
–
–
–
4.5 ns
5.0 ns
–
–
–
–
0
0
0
0
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
2.4
2.3
1.7
1.7
1.7
1.7
0.7
0.7
0.7
0.7
1.7
1.7
–
2.5
2.5
1.7
1.7
1.7
1.7
0.7
0.7
0.7
0.7
1.7
1.7
1.7
0.7
0.7
0.7
–
2.5
2.5
1.7
1.7
1.7
1.7
0.7
0.7
0.7
0.7
1.7
1.7
1.7
0.7
0.7
0.7
–
3.5
3.5
2.0
2.0
2.0
2.0
0.7
0.7
0.7
0.7
2.0
2.0
2.0
0.7
0.7
0.7
5
5
Clock low pulse width
tCL
–
–
–
Address setup to clock high
Data setup to clock high
tAS
–
–
–
6
tDS
–
–
–
6
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
tWS
–
–
–
6,7
6,8
6
tCSS
–
–
–
tAH
–
–
–
tDH
–
–
–
6
tWH
tCSH
tADVS
tADSPS
–
–
–
6,7
6,8
6
–
–
–
–
–
–
ADSP setup to clock high
–
–
–
6
ADSC setup to clock high
tADSCS 1.7
–
–
–
6
ADV hold from clock high
ADSP hold from clock high
ADSC hold from clock high
1 See “Notes on page 11.
tADVH
0.7
0.7
–
–
–
6
tADSPH
–
–
–
6
tADSCH 0.7
–
–
–
6
5/ 9/ 03, v.1.8.1
Alliance Semiconductor
7 of 13
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
