參數(shù)資料
型號(hào): UPD4564323G5-A60-9JH
廠商: NEC Corp.
英文描述: 64M-bit Synchronous DRAM 4-bank, LVTTL
中文描述: 6400位同步DRAM 4銀行,LVTTL
文件頁(yè)數(shù): 35/84頁(yè)
文件大?。?/td> 1048K
代理商: UPD4564323G5-A60-9JH
Data Sheet M14376EJ2V0DS00
35
μ
PD4564323 for Rev.
E
Synchronous Characteristics
Parameter
/CAS Symbol
-A60
-A70
-A80
-A10
-A10B
Unit Note
latency
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Clock cycle time
CL = 3
t
CK3
6
(166MHz)
7
(143MHz)
8
(125MHz)
10
(100MHz)
10
(100MHz)
ns
CL = 2
t
CK2
10
(100MHz)
10
(100MHz)
10
(100MHz)
13
(77
MHz)
15
(67
MHz)
ns
Access time from CLK
CL = 3
t
AC3
5.5
5.5
6
6
7
ns
1
CL = 2
t
AC2
6
6
6
7
8
ns
1
CLK high level width
t
CH
2
2
3
3
3.5
ns
CLK low level width
t
CL
2
2
3
3
3.5
ns
Data-out hold time
t
OH
2.5
2.5
3
3
3
ns
1
Data-out low-impedance time
t
LZ
0
0
0
0
0
ns
Data-out high-impedance
CL = 3
t
HZ3
2.5
5.5
2.5
5.5
3
6
3
6
3
7
ns
time
CL = 2
t
HZ2
2.5
6
2.5
6
3
6
3
7
3
8
ns
Data-in setup time
t
DS
1.5
1.5
2
2
2.5
ns
Data-in hold time
t
DH
0.8
0.8
1
1
1
ns
Address setup time
t
AS
1.5
1.5
2
2
2.5
ns
Address hold time
t
AH
0.8
0.8
1
1
1
ns
CKE setup time
t
CKS
2
2
2
2
2.5
ns
CKE hold time
t
CKH
1
1
1
1
1
ns
CKE setup time (Power down exit)
t
CKSP
2
2
2
2
2.5
ns
Command (/CS, /RAS, /CAS,
/WE, DQM) setup time
t
CMS
1.5
1.5
2
2
2.5
ns
Command (/CS, /RAS, /CAS,
/WE, DQM) hold time
t
CMH
0.8
0.8
1
1
1
ns
Note 1.
Output load
Output
Z = 50
1.4
V
50 pF
50
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