參數(shù)資料
型號: HM62864
廠商: Electronic Theatre Controls, Inc.
英文描述: 65536-word ⅴ 8-bit High Speed CMOS Static RAM
中文描述: 65536字ⅴ8位高速CMOS靜態(tài)RAM
文件頁數(shù): 5/15頁
文件大?。?/td> 124K
代理商: HM62864
HM62864 Series
5
Function Table
CS1
H
CS2
X
OE
X
WE
X
Mode
Not selected
V
CC
Current
I
SB
, I
SB1
I
SB
, I
SB1
I
CC
I
CC
I
CC
I
CC
I/O Pin
High-Z
Ref. Cycle
X
L
X
X
Not selected
High-Z
L
H
H
H
Output disable
High-Z
L
H
L
H
Read
Dout
Read cycle (1) to (3)
L
H
H
L
Write
Din
Write cycle (1)
L
Note:
H
X: High or Low
L
L
Write
Din
Write cycle (2)
Absolute Maximum Ratings
Parameter
Power supply voltage
*1
Symbol
V
CC
V
T
P
T
Topr
Value
0.5 to +7.0
Unit
V
Terminal voltage
*1
0.5
*2
to V
CC
+ 0.3
*3
1.0
V
Power dissipation
W
Operating temperature
0 to +70
°
C
°
C
°
C
Storage temperature
Tstg
55 to +125
Storage temperature under bias
Notes: 1. Relative to V
SS
2. V
T
min:
3.0 V for pulse half-width
50 ns
3. Maximum voltage is 7.0V
Tbias
10 to +85
Recommended DC Operating Conditions
(Ta = 0 to +70
°
C)
Parameter
Supply voltage
Symbol
V
CC
V
SS
V
IH
V
IL
Min
4.5
Typ
5.0
Max
5.5
Unit
V
0
0
0
V
Input high (logic 1) voltage
2.2
V
CC
+ 0.3
0.8
V
Input low (logic 0) voltage
Note:
1. V
IL
min:
3.0 V for pulse half-width
50 ns
0.3
*1
V
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