參數(shù)資料
型號: CYM1481
廠商: Cypress Semiconductor Corp.
英文描述: 2048K x 8 SRAM Module(2048K x 8 靜態(tài)RAM模塊)
中文描述: 2048K × 8的SRAM模塊(2048K × 8靜態(tài)內(nèi)存模塊)
文件頁數(shù): 2/8頁
文件大小: 248K
代理商: CYM1481
CYM1471
CYM1481
:
2
Maximum Ratings
(Above which the useful life may be impaired.)
Storage Temperature .................................–55
°
C to +125
°
C
Ambient Temperature with
Power Applied...................................................0
°
C to +70
°
C
Supply Voltage to Ground Potential............... –0.3V to +7.0V
DC Voltage Applied to Outputs
in High Z State............................................... –0.3V to +7.0V
DC Input Voltage ............................................–0.3V to +7.0V
Output Current into Outputs (LOW)............................. 20 mA
Selection Guide
CYM1471
85
95
32
CYM1481
85
110
64
Maximum Access Time (ns)
Maximum Operating Current (mA)
Maximum Standby Current (mA)
70
95
32
100
95
32
120
95
32
70
110
64
100
110
64
120
110
64
Operating Range
Range
Ambient
Temperature
0
°
C to +70
°
C
V
CC
Commercial
5V
±
10%
Electrical Characteristics
Over the Operating Range
1471
1481
Parameter
Description
Test Conditions
Min.
Max.
Min.
Max.
Unit
V
OH
V
OL
V
IH
V
IL
I
IX
I
OZ
I
CC
Output HIGH Voltage
V
CC
= Min., I
OH
= –1.0 mA
V
CC
= Min., I
OL
= 2.0 mA
2.4
2.4
V
Output LOW Voltage
0.4
0.4
V
Input HIGH Voltage
2.2
V
CC
+ 0.3
0.8
2.2
V
CC
+ 0.3
0.8
V
Input LOW Voltage
–0.3
–0.3
V
μ
A
μ
A
mA
Input Load Current
GND < V
I
< V
CC
GND < V
O
< V
CC
, Output Disabled
V
CC
= Max., MS < V
IL
, I
OUT
= 0 mA
–20
+20
–20
+20
Output Leakage Current
–20
+20
–20
+20
V
CC
Operating Supply
Current
95
110
I
SB1
Automatic MS
Power-Down Current
Max. V
CC
, MS > V
IH
,
Min. Duty Cycle = 100%
32
64
mA
I
SB2
Automatic MS
Power-Down Current
Max. V
CC
, MS > V
CC
0.2V, V
IN
> V
CC
– 0.2V, or
V
IN
< 0.2V
Standard
16
32
mA
μ
A
L Version
–100, –120
250
500
L Version
–85
800
1600
μ
A
Capacitance
[1]
Parameter
C
INA
C
INB
C
OUT
Note:
1.
Tested on a sample basis.
Description
Test Conditions
T
A
= 25
°
C, f = 1 MHz,
V
CC
= 5.0V
CYM1471
Max.
75
CYM1481
Max.
125
Unit
pF
Input Capacitance (A
0–16
, OE, WE)
Input Capacitance (A
17–20
, MS)
Output Capacitance
25
25
pF
95
165
pF
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