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參數(shù)資料
| 型號： | CY62148 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 512K x 8 Static RAM(512K x 8 靜態(tài)RAM) |
| 中文描述： | 為512k × 8靜態(tài)存儲器（為512k × 8靜態(tài)RAM）的 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 157K |
| 代理商： | CY62148 |
CY62148
2
PRELIMINARY
Shaded areas contain advance information.
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature .................................
–
65
°
C to +150
°
C
Ambient Temperature with
Power Applied.............................................
–
55
°
C to +125
°
C
Supply Voltage on V
CC
to Relative GND........
–
0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State
[1]
.....................................
–
0.5V to V
CC
+0.5V
DC Input Voltage
[1]
..................................
–
0.5V to V
CC
+0.5V
Current into Outputs (LOW)......................................... 20 mA
Static Discharge Voltage...............................................2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current..................................................... >200 mA
Selection Guide
CY62148
–
55
55
120
90
90
2 mA
100
μ
A
20
μ
A
40
μ
A
CY62148
–
70
70
120
90
90
2 mA
100
μ
A
20
μ
A
40
μ
A
CY62148
–
100
100
120
90
90
2 mA
100
μ
A
20
μ
A
40
μ
A
Maximum Access Time (ns)
Maximum Operating Current
L
LL
Maximum CMOS Standby Current
L
LL
LL
Commercial
Industrial
Operating Range
Range
Ambient
Temperature
[2]
0
°
C to +70
°
C
–
40
°
C to +85
°
C
V
CC
Commercial
Industrial
4.5V
–
5.5V
Electrical Characteristics
Over the Operating Range
Parameter
Description
Test Conditions
Min.
Typ.
[3]
Max.
Unit
V
OH
V
OL
V
IH
Output HIGH Voltage
V
CC
= Min., I
OH
=
–
1mA
V
CC
= Min., I
OL
= 2.1mA
2.4
V
Output LOW Voltage
0.4
V
Input HIGH Voltage
2.2
V
CC
+
0.3
V
V
IL
I
IX
I
OZ
I
CC
Input LOW Voltage
[1]
–
0.3
0.8
V
μ
A
μ
A
mA
Input Load Current
GND
≤
V
I
≤
V
CC
GND
≤
V
I
≤
V
CC
, Output Disabled
V
CC
= Max., I
OUT
+ 0 mA,
f = f
MAX
= 1/t
RC
–
1
+1
+
1
120
Output Leakage Current
–
1
V
CC
Operating
Supply Current
L
90
mA
LL
90
mA
I
SB1
Automatic CE
Power-Down Current
—
TTL Inputs
Max. V
CC
, CE
≥
V
IH
V
IN
≥
V
IH
or
V
IN
≤
V
IL
, f = f
MAX
Max. V
CC
,
CE
≥
V
CC
–
0.3V,
V
IN
≥
V
CC
–
0.3V,
or V
IN
≤
0.3V, f=0
15
mA
I
SB2
Automatic CE
Power-Down Current
—
CMOS Inputs
1.6
μ
A
1.6
2
mA
μ
A
μ
A
μ
A
L
100
Com
’
l
LL
1.6
20
Ind
’
l
LL
1.6
40
Notes:
1.
2.
3.
V
IL
(min.) =
–
2.0V for pulse durations of less than 20 ns.
T
is the
“
instant on
”
case temperature.
Typical values are measured at V
CC
= 5V, T
A
= 25
°
C, and are included for reference only and are not tested or guaranteed.
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