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參數(shù)資料
| 型號： | CY7C1484V25-167AXC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 72-Mbit (2M x 36/4M x 18) Pipelined DCD Sync SRAM |
| 中文描述： | 2M X 36 CACHE SRAM, 3.4 ns, PQFP100 |
| 封裝： | 14 X 20 MM, 1.40 MM HEIGHT, LEAD FREE, PLASTIC, MS-026, TQFP-100 |
| 文件頁數(shù)： | 16/26頁 |
| 文件大?。?/td> | 906K |
| 代理商： | CY7C1484V25-167AXC |
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CY7C1484V25
CY7C1485V25
Document #: 38-05286 Rev. *H
Page 16 of 26
Maximum Ratings
Exceeding the maximum ratings may impair the useful life of
the device. These user guidelines are not tested.
Storage Temperature .................................–65
°
C to +150
°
C
Ambient Temperature with
Power Applied.............................................–55
°
C to +125
°
C
Supply Voltage on V
DD
Relative to GND........–0.5V to +3.6V
Supply Voltage on V
DDQ
Relative to GND ......–0.5V to +V
DD
DC Voltage Applied to Outputs
in Tri-State........................................... –0.5V to V
DDQ
+ 0.5V
DC Input Voltage ...................................–0.5V to V
DD
+ 0.5V
Current into Outputs (LOW).........................................20 mA
Static Discharge Voltage........................................... >2001V
(MIL-STD-883, Method 3015)
Latch Up Current.................................................... >200 mA
Operating Range
Range
Ambient
Temperature
0°C to +70°C
–40°C to +85°C
V
DD
V
DDQ
Commercial
Industrial
2.5V
–5%/+5%
1.7V to
V
DD
Electrical Characteristics
Over the Operating Range
[12, 13]
Parameter
V
DD
V
DDQ
Description
Power Supply Voltage
IO Supply Voltage
Test Conditions
Min.
2.375
2.375
1.7
2.0
1.6
Max.
2.625
V
DD
1.9
Unit
V
V
V
V
V
V
V
V
V
V
V
μ
A
For 2.5V IO
For 1.8V IO
For 2.5V IO, I
OH
= –1.0 mA
For 1.8V IO, I
OH
= –100
μ
A
For 2.5V IO, I
OL
= 1.0 mA
For 1.8V IO, I
OL
= 100
μ
A
For 2.5V IO
For 1.8V IO
For 2.5V IO
For 1.8V IO
GND
≤
V
I
≤
V
DDQ
V
OH
Output HIGH Voltage
V
OL
Output LOW Voltage
0.4
0.2
V
IH
Input HIGH Voltage
[12]
1.7
1.26
–0.3
–0.3
–5
V
DD
+ 0.3V
V
DD
+ 0.3V
0.7
0.36
5
V
IL
Input LOW Voltage
[12]
I
X
Input Leakage Current
except ZZ and MODE
Input Current of MODE Input = V
SS
–30
μ
A
μ
A
μ
A
μ
A
μ
A
mA
mA
mA
mA
mA
mA
mA
Input = V
DD
Input = V
SS
Input = V
DD
5
Input Current of ZZ
–5
30
5
450
450
400
200
200
200
120
I
OZ
I
DD
Output Leakage Current GND
≤
V
I
≤
V
DDQ,
Output Disabled
V
DD
Operating Supply
Current
f = f
MAX
= 1/t
CYC
–5
V
DD
= Max., I
OUT
= 0 mA,
4.0-ns cycle, 250 MHz
5.0-ns cycle, 200 MHz
6.0-ns cycle, 167 MHz
4.0-ns cycle, 250 MHz
5.0-ns cycle, 200 MHz
6.0-ns cycle, 167 MHz
All speeds
I
SB1
Automatic CE
Power Down
Current—TTL Inputs
V
DD
= Max, Device Deselected,
V
IN
≥
V
IH
or V
IN
≤
V
IL
f = f
MAX
= 1/t
CYC
I
SB2
Automatic CE
Power Down
Current—CMOS Inputs
Automatic CE
Power Down
Current—CMOS Inputs
V
DD
= Max, Device Deselected,
V
IN
≤
0.3V or V
IN
> V
DDQ
– 0.3V,
f = 0
V
DD
= Max, Device Deselected,
or V
IN
≤
0.3V or V
IN
> V
DDQ
– 0.3V
f = f
MAX
= 1/t
CYC
I
SB3
4.0-ns cycle, 250 MHz
5.0-ns cycle, 200 MHz
6.0-ns cycle, 167 MHz
All Speeds
200
200
200
135
mA
mA
mA
mA
I
SB4
Automatic CE
Power Down
Current—TTL Inputs
V
DD
= Max, Device Deselected,
V
IN
≥
V
IH
or V
IN
≤
V
IL
, f = 0
Notes
12.Overshoot: V
(AC) < V
+1.5V (pulse width less than t
/2). Undershoot: V
(AC) >–2V (pulse width less than t
CYC
/2).
13.Power up: assumes a linear ramp from 0V to V
DD
(min.) within 200 ms. During this time V
IH
< V
DD
and V
DDQ
< V
DD.
[+] Feedback
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