參數(shù)資料
型號: UPD45128841G5-A75-9JF
廠商: ELPIDA MEMORY INC
元件分類: DRAM
英文描述: 128M-bit Synchronous DRAM 4-bank, LVTTL
中文描述: 16M X 8 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封裝: PLASTIC, TSOP2-54
文件頁數(shù): 37/92頁
文件大?。?/td> 682K
代理商: UPD45128841G5-A75-9JF
Data Sheet E0031N30
37
μ
PD45128441, 45128841, 45128163
Synchronous Characteristics
Parameter
Symbol
-A75A
-A75
-A80
-A10
Unit
Note
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Clock cycle time
/CAS latency = 3
t
CK3
7.5
(133 MHz)
7.5
(133 MHz)
8
(125 MHz)
10
(100 MHz)
ns
/CAS latency = 2
t
CK2
7.5
(133 MHz)
10
(100 MHz)
10
(100 MHz)
13
(77 MHz)
ns
Access time from CLK
/CAS latency = 3
t
AC3
5.4
5.4
6
6
ns
1
/CAS latency = 2
t
AC2
5.4
6
6
7
ns
1
CLK high level width
t
CH
2.5
2.5
3
3
ns
CLK low level width
t
CL
2.5
2.5
3
3
ns
Data-out hold time
t
OH
3
3
3
3
ns
1
Data-out low-impedance time
t
LZ
0
0
0
0
ns
Data-out high-impedance time /CAS latency = 3
t
HZ3
3
5.4
3
5.4
3
6
3
6
ns
/CAS latency = 2
t
HZ2
3
5.4
3
6
3
6
3
7
ns
Data-in setup time
t
DS
1.5
1.5
2
2
ns
Data-in hold time
t
DH
0.8
0.8
1
1
ns
Address setup time
t
AS
1.5
1.5
2
2
ns
Address hold time
t
AH
0.8
0.8
1
1
ns
CKE setup time
t
CKS
1.5
1.5
2
2
ns
CKE hold time
t
CKH
0.8
0.8
1
1
ns
CKE setup time (Power down exit)
t
CKSP
1.5
1.5
2
2
ns
Command (/CS, /RAS, /CAS, /WE, DQM)
setup time
Command (/CS, /RAS, /CAS, /WE, DQM)
hold time
t
CMS
t
CMH
1.5
1.5
2
2
ns
0.8
0.8
1
1
ns
Note 1.
Output load
Output
Z = 50
50 pF
相關(guān)PDF資料
PDF描述
UPD45128441G5-A75-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128841G5-A75L-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128841G5-A80-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128841G5-A80L-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
UPD45128441G5-A75L-9JF 128M-bit Synchronous DRAM 4-bank, LVTTL
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