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參數(shù)資料
| 型號： | HM62W16258BI |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4 M SRAM (256-kword ×16-bit)(4 M 靜態(tài)RAM(256k字×16位)) |
| 中文描述： | 四米的SRAM（256 - KWord的× 16位）（4個M靜態(tài)隨機存儲器（256k字× 16位）） |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 347K |
| 代理商： | HM62W16258BI |
HM62W16258BI Series
4
Note: H: V
IH
, L: V
IL
,
×
: V
IH
or V
IL
Absolute Maximum Ratings
Notes: 1. V
T
min: –3.0 V for pulse half-width
≤
30 ns.
2. Maximum voltage is +4.6 V.
DC Operating Conditions
Note: 1. V
IL
min: –3.0 V for pulse half-width
≤
30 ns.
DC Characteristics
Notes: 1. Typical values are at V
CC
= 3.0 V, Ta = +25
°
C and not guaranteed.
Parameter
Power supply voltage relative to V
SS
Terminal voltage on any pin relative to V
SS
Power dissipation
Storage temperature range
Storage temperature range under bias
Symbol
V
CC
V
T
P
T
Tstg
Tbias
Value
–0.5 to + 4.6
–0.5*
1
to V
CC
+ 0.3*
2
1.0
–55 to +125
–40 to +85
Unit
V
V
W
°
C
°
C
Parameter
Supply voltage
Symbol
V
CC
V
SS
V
IH
V
IL
Ta
Min
3.0
0
2.2
–0.3
–40
Typ
3.3
0
—
—
—
Max
3.6
0
V
CC
+ 0.3
0.6
85
Unit
V
V
V
V
°
C
Note
Input high voltage
Input low voltage
Ambient temperature range
1
Parameter
Input leakage current
Output leakage current
Sym-
bol
|I
LI
|
|I
LO
|
Min
—
—
Typ*
1
Max
—
—
Unit Test conditions
μ
A
Vin = V
SS
to V
CC
μ
A
CS = V
IH
or OE = V
IH
or WE = V
IL
, or LB
= UB =V
IH,
, V
I/O
= V
SS
to V
CC
mA
CS = V
IL
, Others = V
IH
/V
IL
, I
I/O
= 0 mA
mA
Min. cycle, duty = 100%,
I
I/O
= 0 mA, CS = V
IL
,
Others = V
IH
/V
IL
mA
Cycle time = 1
μ
s, duty = 100%,
I
I/O
= 0 mA, CS
≤
0.2 V,
V
IH
≥
V
CC
– 0.2 V, V
IL
≤
0.2 V
mA
CS = V
IH
μ
A
0 V
≤
Vin
CS
≥
V
CC
– 0.2 V
V
I
OH
= –1 mA
V
I
OH
= –100
μ
A
1
1
Operating current
Average
operating
current
I
CC
—
—
—
—
20
70
HM62W16258BI-7 I
CC1
I
CC2
—
3
15
Standby current
Standby current
I
SB
I
SB1
—
—
—
1
0.3
40
Output high voltage
V
OH
2.4
V
CC
–
0.2
—
—
—
—
—
—
Output low voltage
V
OL
—
—
0.4
0.2
V
V
I
OL
= 2 mA
I
OL
= 100
μ
A
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