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參數(shù)資料
| 型號(hào)： | CYM1861 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 2,048K x 32 Static RAM Module(2048K x 32 靜態(tài)RAM模塊) |
| 中文描述： | 2,048畝× 32靜態(tài)RAM模塊（2048K × 32靜態(tài)內(nèi)存模塊） |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 105K |
| 代理商： | CYM1861 |
CYM1861
PRELIMINARY
2
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature .................................
–
55
°
C to +125
°
C
Ambient Temperature with
Power Applied...............................................
–
10
°
C to +85
°
C
Supply Voltage to Ground Potential ...............
–
0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State.................................................
–
0.5V to +V
CC
DC Input Voltage ............................................
–
0.5V to +7.0V
Operating Range
Range
Ambient
Temperature
0
°
C to +70
°
C
V
CC
Commercial
5V
±
10%
Electrical Characteristics
Over the Operating Range
Parameter
V
OH
V
OL
V
IH
V
IL
I
IX
I
OZ
I
CC
Description
Test Conditions
Min.
2.4
Max.
Unit
V
Output HIGH Voltage
V
CC
= Min., I
OH
=
4.0 mA
V
CC
= Min., I
OL
= 8.0 mA
Output LOW Voltage
0.4
V
Input HIGH Voltage
2.2
V
CC
+ 0.3
0.8
V
Input LOW Voltage
–
0.5
V
μ
A
μ
A
mA
Input Load Current
GND < V
I
< V
CC
GND < V
O
< V
CC
, Output Disabled
V
CC
= Max., I
OUT
= 0 mA,
CS
N
< V
IL
Max. V
CC
, CS > V
IH
,
Min. Duty Cycle = 100%
–
2
+2
Output Leakage Current
–
20
+20
V
CC
Operating Supply
Current
-25, -35
2582
I
SB1
Automatic CS Power-Down
Current
[1]
960
mA
I
SB2
Automatic CS Power-Down
Current
[1]
Max. V
CC
,
CS > V
CC
0.2V,
V
IN
> V
CC
0.2V, or
V
IN
< 0.2V
-25, -35
160
mA
Capacitance
[2]
Parameter
C
IN
C
OUT
Notes:
1.
A pull-up resistor to V
on the CS input is required to keep the device deselected during V
CC
power-up, otherwise I
SB
will exceed values given.
2.
Tested on a sample basis.
Description
Test Conditions
T
A
= 25
°
C, f = 1 MHz,
V
CC
= 5.0V
Max.
10
20
Unit
pF
pF
Input Capacitance
Output Capacitance
AC Test Loads and Waveforms
1861
–
3
1861
–
4
90%
10%
3.0V
GND
90%
10%
ALL INPUT PULSES
5V
OUTPUT
30 pF
INCLUDING
JIG AND
SCOPE
5V
OUTPUT
5 pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
< 5 ns
< 5 ns
OUTPUT
R1 481
R1 481
R2
255
R2
255
167
Equivalent to:
TH
é
VENIN
EQUIVALENT
1.73V
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