參數(shù)資料
型號(hào): V53C1256162VBLT8EPC
廠商: Electronic Theatre Controls, Inc.
英文描述: 256Mbit MOBILE SDRAM 2.5 VOLT FBGA PACKAGE 16M X 16
中文描述: 片256Mbit移動(dòng)SDRAM 2.5伏FBGA封裝16米x 16
文件頁數(shù): 14/46頁
文件大?。?/td> 541K
代理商: V53C1256162VBLT8EPC
14
V55C2256164VB Rev. 1.0 April 2005
ProMOS TECHNOLOGIES
V55C2256164VB
AC Characteristics
1,2, 3
T
A
= 0 to 70
°
C(Commercial)/-40 to 85
°
C(Extended);V
SS
= 0 V; V
CC
= 2.5 V,V
CCQ
= 1.8V,
t
T
=1 ns
#
Symbol Parameter
Limit Values
Unit
Note
-7
-8PC
-10
Min.
Max.
Min.
Max.
Min.
Max.
Clock and Clock Enable
1
t
CK
Clock Cycle Time
CAS Latency = 3
CAS Latency = 2
CAS Latency = 1
7
10
20
8
10
20
10
12
25
ns
ns
ns
2
t
CK
Clock Frequency
CAS Latency = 3
CAS Latency = 2
CAS Latency = 1
143
100
50
125
100
50
100
83
40
MHz
MHz
MHz
3
t
AC
Access Time from Clock
CAS Latency = 3
CAS Latency = 2
CAS Latency = 1
_
_
5.4
6
19
_
_
6
6
19
_
_
7
8
22
ns
ns
ns
2, 4
4
t
CH
Clock High Pulse Width
2.5
3
3
ns
5
t
CL
Clock Low Pulse Width
2.5
3
3
ns
6
t
T
Transition Tim
0.3
1.2
0.5
10
0.5
10
ns
Setup and Hold Times
7
t
IS
Input Setup Time
1.5
2
2.5
ns
5
8
t
IH
Input Hold Time
0.8
1
1
ns
5
9
t
CKS
Input Setup Time
1.5
2
2.5
ns
5
10
t
CKH
CKE Hold Time
0.8
1
1
ns
5
11
t
RSC
Mode Register Set-up Time
14
16
20
ns
12
t
SB
Power Down Mode Entry Time
0
7
0
8
0
8
ns
Common Parameters
13
t
RCD
Row to Column Delay Time
15
20
20
ns
6
14
t
RP
Row Precharge Time
15
20
20
ns
6
15
t
RAS
Row Active Time
42
100K
45
100k
50
100k
ns
6
16
t
RC
Row Cycle Time
60
60
70
ns
6
17
t
RRD
Activate(a) to Activate(b) Command
Period
14
16
20
ns
6
18
t
CCD
CAS(a) to CAS(b) Command Period
1
1
1
CLK
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