參數(shù)資料
型號(hào): CY62256VN
廠商: Cypress Semiconductor Corp.
英文描述: 256K (32K x 8) Static RAM
中文描述: 256K(32K的× 8)靜態(tài)RAM
文件頁(yè)數(shù): 3/12頁(yè)
文件大小: 641K
代理商: CY62256VN
CY62256VN
Document #: 001-06512 Rev. *A
Page 3 of 12
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 to Ground Potential
(Pin 28 to Pin 14)..........................................–0.5V to + 4.6V
DC Voltage Applied to Outputs
in High-Z State
[3]
....................................–0.5V to V
CC
+ 0.5V
DC Input Voltage
[3]
.................................–0.5V to V
CC
+ 0.5V
Output Current into Outputs (LOW) .............................20 mA
Static Discharge Voltage.......................................... > 2001V
(per MIL-STD-883, Method 3015)
Latch-up Current.................................................... > 200 mA
Operating Range
Device
CY62256VN Commercial
Range
Ambient
Temperature
(T
A
)
[4]
0
°
C to +70
°
C
40
°
C to +85
°
C
V
CC
2.7V to 3.6V
Industrial
Automotive-A
40
°
C to +85
°
C
Automotive-E
40
°
C to +125
°
C
Electrical Characteristics
Over the Operating Range
Parameter
V
OH
V
OL
V
IH
V
IL
I
IX
Description
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input Leakage Voltage
Input Leakage Current
Test Conditions
-70
Unit
V
V
V
V
μ
A
μ
A
μ
A
μ
A
mA
Min.
2.4
Typ.
[2]
Max.
I
OH
=
1.0 mA
I
OL
= 2.1 mA
V
CC
= 2.7V
V
CC
= 2.7V
0.4
2.2
–0.5
–1
–10
–1
–10
V
CC
+ 0.3V
0.8
+1
+10
+1
+10
30
GND < V
IN
< V
CC
Com’l/Ind’l/Auto-A
Auto-E
Com’l/Ind’l/Auto-A
Auto-E
All Ranges
I
OZ
Output Leakage Current GND < V
IN
< V
CC
, Output
Disabled
I
CC
V
CC
Operating Supply
Current
Automatic CE
Power down Current -
TTL Inputs
Automatic CE
Power-down Current-
CMOS Inputs
V
CC
= 3.6V, I
OUT
= 0 mA,
f = f
MAX
= 1/t
RC
V
CC
= 3.6V, CE > V
IH
,
V
IN
> V
IH
or V
IN
< V
IL
, f = f
MAX
11
I
SB1
All Ranges
100
300
μ
A
I
SB2
V
CC
= 3.6V, CE > V
CC
– 0.3V
V
IN
> V
CC
– 0.3V or V
IN
<
0.3V, f = 0
Com’l
Ind’l/Auto-A
Auto-E
0.1
5
10
130
μ
A
Notes:
3. V
IL
(min.)
= –2.0V for pulse durations of less than 20 ns.
4. T
A
is the “Instant-On” case temperature
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