參數(shù)資料
型號(hào): HM5225645F
廠商: Hitachi,Ltd.
英文描述: 256-Mbit SDRAM(256M位同步RAM)
中文描述: 256M的SDRAM(256M位同步內(nèi)存)
文件頁(yè)數(shù): 10/16頁(yè)
文件大?。?/td> 144K
代理商: HM5225645F
HM5225645F-B60, HM5225325F-B60
10
DC Characteristics
(Tcase = 0 to 70
°
C [Tj max = 110
°
C]), V
CC
= 3.3 V
±
0.3 V, V
SS
= 0 V)
(HM5225325F)
HM5225325F
-B60
Parameter
Symbol
Min
Max
Unit
Test conditions
Notes
Operating current
(
CAS
latency = 2)
(
CAS
latency = 3)
I
CC1
I
CC1
I
CC2P
180
mA
Burst length = 1
t
RC
= min
1, 2, 3
200
mA
Standby current in power down
12
mA
CKE = V
,
t
CK
= 12 ns
CKE = V
IL
, t
CK
=
6
Standby current in power down
(input signal stable)
I
CC2PS
8
mA
7
Standby current in non power
down
I
CC2N
64
mA
CKE,
CS
= V
IH
,
t
CK
= 12 ns
CKE = V
IH
, t
CK
=
4
Standby current in non power
down (input signal stable)
I
CC2NS
36
mA
9
Active standby current in power
down
I
CC3P
16
mA
CKE = V
,
t
CK
= 12 ns
CKE = V
IL
, t
CK
=
1, 2, 6
Active standby current in power
down (input signal stable)
I
CC3PS
12
mA
2, 7
Active standby current in non
power down
I
CC3N
80
mA
CKE,
CS
= V
IH
,
t
CK
= 12 ns
CKE = V
IH
, t
CK
=
1, 2, 4
Active standby current in non
power down (input signal stable)
I
CC3NS
60
mA
2, 9
Burst operating current
(
CAS
latency = 2)
(
CAS
latency = 3)
I
CC4
I
CC4
I
CC5
I
CC6
200
mA
t
CK
= min, BL = 4
1, 2, 5
250
mA
Refresh current
380
mA
t
RC
= min
V
IH
V
– 0.2 V
V
IL
0.2 V
3
Self refresh current
4
mA
8
Self refresh current (L-version)
I
CC6
I
LI
I
LO
1.6
mA
Input leakage current
–4
4
μ
A
μ
A
0
Vin
V
CC
0
Vout
V
CC
DQ = disable
Output leakage current
–6
6
Output high voltage
V
OH
V
OL
2.4
V
I
OH
= –4 mA
I
OL
= 4 mA
Output low voltage
0.4
V
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HM5225805B-B6 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M LVTTL interface SDRAM 133 MHz/100 MHz 4-Mword 】 16-bit 】 4-bank/8-Mword 】 8-bit 】 4-bank /16-Mword 】 4-bit 】 4-bank PC/133, PC/100 SDRAM
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