MOSEL VITELIC
V436516R04V(L)
AC Characteristics 3,4
TA = 0° to 70°C; VSS = 0V; VCC = 3.3V ± 0.3V, tT = 1 ns
# Symbol Parameter
Clock and Clock Enable
1
tCK Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
2
fCK System frequency
CAS Latency = 3
CAS Latency = 2
3
tAC Clock Access Time
CAS Latency = 3
CAS Latency = 2
4
tCH Clock High Pulse Width
5
tCL Clock Low Pulse Width
6
tCS Input Setup time
7
tCH Input Hold Time
8 tCKSP CKE Setup Time (Power down mode)
9 tCKSR CKE Setup Time (Self Refresh Exit)
10
tT
Transition time (rise and fall)
Common Parameters
11 tRCD RAS to CAS delay
12
tRC
Cycle Time
13 tRAS Active Command Period
14
tRP
Precharge Time
15 tRRD Bank to Bank Delay Time
16 tCCD CAS to CAS delay time (same bank)
Refresh Cycle
17 tSREX
18
tREF
Read Cycle
Self Refresh Exit Time
Refresh Period (4096 cycles)
19 tOH Data Out Hold Time
20
tLZ
Data Out to Low Impedance Time
21
tHZ
Data Out to High Impedance Time
22 tDQZ DQM Data Out Disable Latency
Write Cycle
23 tDPL Data input to Precharge (write recovery)
24 tDAL Data In to Active/refresh
25 tDQW DQM Write Mask Latency
-75PC
Min. Max.
7.5
7.5
–
133
–
133
–
5.4
–
6
2.5
–
2.5
–
1.5
–
0.8
–
2
–
8
–
1
–
15
–
70
120k
42
–
15
–
14
–
1
–
10
–
64
–
3
–
0
–
3
7.5
2
–
1
–
5
–
0
–
Limit Values
-75
Min. Max.
7.5
10
–
133
–
100
–
5.4
–
6
2.5
–
2.5
–
1.5
–
0.8
–
2
–
8
–
1
–
20
–
70
120k
45
–
20
–
15
–
1
–
10
–
64
–
3
–
0
–
3
7.5
2
–
1
–
5
–
0
–
-10PC
Min. Max.
10
10
–
100
–
100
–
6
–
6
3
–
3
–
2
–
1
–
2
–
8
–
1
–
20
–
70
120k
45
–
20
–
20
–
1
–
10
–
64
–
3
–
0
–
3
8
2
–
1
–
5
–
0
–
Unit Note
ns
ns
MHz
MHz
4,5
ns
ns
ns
6
ns
6
ns
7
ns
7
ns
8
ns
9
ns
ns
ns
ns
ns
ns
CLK
ns
9
ms
8
ns
4
ns
ns
10
CLK
CLK
CLK
11
CLK
V436516R04V(L) Rev. 1.0 October 2001
8