參數(shù)資料
型號: V54C3256164VB
廠商: Mosel Vitelic, Corp.
英文描述: 256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
中文描述: 片256Mbit SDRAM的3.3伏,第二的TSOP /系統(tǒng)芯片的BGA / WBGA包裝16米x 16,32 × 8,64米× 4
文件頁數(shù): 18/52頁
文件大?。?/td> 853K
代理商: V54C3256164VB
18
V54C3256(16/80/40)4V(T/S/B) Rev. 1.6 September 2002
MOSEL VITELIC
V54C3256(16/80/40)4V(T/S/B)
AC Characteristics
1,2, 3
T
A
= 0 to 70 °C; V
SS
= 0 V; V
DD
= 3.3 V ± 0.3 V, t
T
= 1 ns
#
Symbol
Parameter
Limit Values
Unit
Note
-6
-7PC
-7
-8PC
Min. Max. Min. Max. Min. Max. Min. Max.
Clock and Clock Enable
1
t
CK
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
6
7.5
7
7.5
7
10
8
10
s
ns
ns
2
t
CK
Clock Frequency
CAS Latency = 3
CAS Latency = 2
166
133
143
133
143
100
125
100
MHz
MHz
3
t
AC
Access Time from Clock
CAS Latency = 3
CAS Latency = 2
_
5.4
5.4
_
5.4
5.4
_
5.4
6
_
6
6
ns
ns
2, 4
4
t
CH
Clock High Pulse Width
2.5
2.5
2.5
3
ns
5
t
CL
Clock Low Pulse Width
2.5
2.5
2.5
3
ns
6
t
T
Transition Tim
0.3
1.2
0.3
1.2
0.3
1.2
0.5
10
ns
Setup and Hold Times
7
t
IS
Input Setup Time
1.5
1.5
1.5
2
ns
5
8
t
IH
Input Hold Time
0.8
0.8
0.8
1
ns
5
9
t
CKS
Input Setup Time
1.5
1.5
1.5
2
ns
5
10
t
CKH
CKE Hold Time
0.8
0.8
0.8
1
ns
5
11
t
RSC
Mode Register Set-up Time
12
14
14
16
ns
12
t
SB
Power Down Mode Entry Time
0
6
0
7
0
7
0
8
ns
Common Parameters
13
t
RCD
Row to Column Delay Time
12
15
15
20
ns
6
14
t
RP
Row Precharge Time
15
15
15
20
ns
6
15
t
RAS
Row Active Time
40
100K
42
100K
42
100K
45
100k
ns
6
16
t
RC
Row Cycle Time
60
60
60
60
ns
6
17
t
RRD
Activate(a) to Activate(b) Command Period
12
14
14
16
ns
6
18
t
CCD
CAS(a) to CAS(b) Command Period
1
1
1
1
CLK
Refresh Cycle
19
t
REF
Refresh Period (8192 cycles)
64
64
64
64
ms
20
t
SREX
Self Refresh Exit Time
1
1
1
1
CLK
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