參數(shù)資料
型號: HM5264805F
廠商: Hitachi,Ltd.
英文描述: 64M LVTTL interface SDRAM(64M LVTTL接口同步DRAM)
中文描述: 6400 LVTTL接口的SDRAM(6400 LVTTL接口同步的DRAM)
文件頁數(shù): 63/67頁
文件大?。?/td> 870K
代理商: HM5264805F
HM5264165F/HM5264805F/HM5264405F-75/A60/B60
63
Power Down Mode
CLK
CKE
CS
RAS
CAS
WE
BS
Address
DQM,
DQMU/DQML
DQ (input)
'
DQ (output)
$
Burst length = 4
= V or V
IH
IL
,
4
5
=
>
E
F
N
'
/
0
8
'
/
OI
"
P
!
"
+
G
O
P
!
=
>
F
G
N
Precharge command
If needed
Power down entry
Active Bank 0
Power down
mode exit
"
#
+
CKE Low
R: a
A10=1
RP
t
#
High-Z
Power down cycle
RAS
-
CAS
delay = 3
CAS
latency = 3
Initialization Sequence
7
8
9
10
52
53
54
48
49
50
51
!
(
)
1
2
:
G
O
G
Auto Refresh
Bank active
If needed
RC
t
RC
t
Auto Refresh
Valid
C
K
L
0
1
2
3
4
5
6
CLK
CKE
CS
RAS
CAS
WE
Address
DQM,
DQMU/DQML
DQ
8
9
A
B
J
A
I
J
7
@
A
H
I
.
7
@
H
t
valid
RSA
tRP
All banks
Precharge
Mode register
Set
@
A
I
/
8
9
A
V
IH
V
IH
!
*
!
!
)
55
High-Z
(
/
0
8
9
A
3
4
;
<
D
E
M
4
<
=
D
E
M
N
/
7
8
A
)
B
C
K
9
B
C
K
6
P
code
相關(guān)PDF資料
PDF描述
HM5264165F 64M LVTTL interface SDRAM(64M LVTTL接口同步DRAM)
HM5264165FLTT-75 64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264165FLTT-A60 64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264405FLTT-75 64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264405FLTT-A60 64M LVTTL interface SDRAM 133 MHz/100 MHz
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HM5264805F-75 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805F-A60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805F-B60 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805FLTT-75 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz
HM5264805FLTT-A60 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:64M LVTTL interface SDRAM 133 MHz/100 MHz 1-Mword × 16-bit × 4-bank/2-Mword × 8-bit × 4-bank /4-Mword × 4-bit × 4-bank PC/133, PC/100 SDRAM