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參數(shù)資料
| 型號： | HM62A16256CBPI |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4 M SRAM (256-kword ×16-bit)(4M靜態(tài)RAM (256k字 ×16位)) |
| 中文描述： | 四米的SRAM（256 - KWord的× 16位）（4分靜態(tài)隨機(jī)存儲器（256k字× 16位）） |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 125K |
| 代理商： | HM62A16256CBPI |
HM62A16256CBPI Series
5
Operation Table
CS1
CS2
WE
OE
UB
LB
I/O0 to I/O7
I/O8 to I/O15
Operation
H
×
×
×
×
×
×
×
×
×
×
×
High-Z
High-Z
Standby
×
×
L
High-Z
High-Z
Standby
×
H
H
High-Z
High-Z
Standby
L
H
H
L
L
L
Dout
Dout
Read
L
H
H
L
H
L
Dout
High-Z
Lower byte read
L
H
H
L
L
H
High-Z
Dout
Upper byte read
L
H
L
×
×
×
L
L
Din
Din
Write
L
H
L
H
L
Din
High-Z
Lower byte write
L
H
L
L
H
High-Z
Din
Upper byte write
L
Note: H: V
IH
, L: V
IL
,
×
: V
IH
or V
IL
H
H
H
×
×
High-Z
High-Z
Output disable
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Power supply voltage relative to V
SS
Terminal voltage on any pin relative to V
SS
Power dissipation
V
CC
V
T
P
T
Tstg
–0.3 to + 2.5
V
–0.3*
1
to V
CC
+ 0.3*
2
1.0
V
W
Storage temperature range
–55 to +125
°
C
°
C
Storage temperature range under bias
Notes: 1. V
T
min: –1.0 V for pulse half-width
≤
20 ns.
2. Maximum voltage is +2.5 V.
Tbias
–40 to +85
DC Operating Conditions
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply voltage
V
CC
V
SS
V
IH
V
IL
Ta
1.65
1.8
2.0
V
0
0
0
V
Input high voltage
1.4
—
V
CC
+ 0.2
0.4
V
Input low voltage
–0.2
—
V
1
Ambient temperature range
Note:
1. V
IL
min: –1.0 V for pulse half-width
≤
20 ns.
–40
—
85
°
C
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