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參數(shù)資料
| 型號(hào)： | STK25C48-W20I |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2K X 8 AUTOSTORE NVSRAM |
| 中文描述： | 2K × 8自動(dòng)存儲(chǔ)非易失性SRAM |
| 文件頁數(shù)： | 2/8頁 |
| 文件大小： | 129K |
| 代理商： | STK25C48-W20I |
STK25CA8
August 1999
6-2
ABSOLUTE MAXIMUM RATINGS
a
Voltage on Input Relative to V
. . . . . . . . . . –0.6V to (V
CC
+ 0.5V)
Voltage on DQ
. . . . . . . . . . . . . . . . . . . . . . –0.5V to (V
+ 0.5V)
Temperature under Bias . . . . . . . . . . . . . . . . . . . . . –55
°
C to 125
°
C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . –65
°
C to 150
°
C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1W
DC Output Current (1 output at a time, 1s duration). . . . . . . .15mA
DC CHARACTERISTICS
(V
CC
= 5.0V
±
10%)
Note b:
Note c:
Note d:
I
CC1
and I
CC3
are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded.
I
CC2
and I
are the average currents required for the duration of the respective
STORE
cycles (t
STORE
).
E
V
IH
will not produce standby current levels until any nonvolatile cycle in progress has timed out.
AC TEST CONDITIONS
CAPACITANCE
e
(T
A
= 25
°
C, f = 1.0MHz)
Note e:
These parameters are guaranteed but not tested.
SYMBOL
PARAMETER
COMMERCIAL
INDUSTRIAL
UNITS
NOTES
MIN
MAX
MIN
MAX
I
CC1
b
Average V
CC
Current
140
125
150
133
mA
mA
t
AVAV
= 35ns
t
AVAV
= 45ns
I
CC2
I
CC3
c
Average V
CC
Current During STORE
20
25
mA
All Inputs Don’t Care, V
CC
= max
b
Average V
CC
Current at t
AVAV
= 200ns
22
25
mA
W
≥
(V
– 0.2V)
All Others Cycling, CMOS Levels
I
CC4
c
Average V
CC
Current During AutoStore
Cycle
18
20
mA
All Inputs Don’t Care
I
SB
d
V
CC
Standby Current
(Standby, Stable CMOS Input Levels)
9
9
mA
E
≥
(V
CC
– 0.2V)
All Others V
IN
≤
0.2V or
≥
(V
CC
– 0.2V)
I
ILK
Input Leakage Current
±
2
±
2
μ
A
V
CC
= max
V
IN
= V
SS
to V
CC
I
OLK
Off-State Output Leakage Current
±
10
±
10
μ
A
V
CC
= max
V
IN
= V
SS
to V
CC
, E or G
≥
V
IH
V
IH
Input Logic “1” Voltage
2.2
V
CC
+ .5
2.2
V
CC
+ .5
V
All Inputs
V
IL
Input Logic “0” Voltage
V
SS
– .5
0.8
V
SS
– .5
0.8
V
All Inputs
V
OH
Output Logic “1” Voltage
2.4
2.4
V
I
OUT
=–4mA
V
OL
Output Logic “0” Voltage
0.4
0.4
V
I
OUT
= 8mA
T
A
Operating Temperature
0
70
–40
85
°
C
Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V to 3V
Input Rise and Fall Times
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≤
5ns
Input and Output Timing Reference Levels . . . . . . . . . . . . . . . 1.5V
Output Load. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See Figure 1
SYMBOL
PARAMETER
MAX
UNITS
CONDITIONS
C
IN
Input Capacitance
20
pF
V = 0 to 3V
C
OUT
Output Capacitance
28
pF
V = 0 to 3V
Figure 1: AC Output Loading
480 Ohms
30 pF
INCLUDING
SCOPE
AND FIXTURE
255 Ohms
5.0V
OUTPUT
Note a:
Stresses greater than those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device. This is a
stress rating only, and functional operation of the device at condi-
tions above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rat-
ing conditions for extended periods may affect reliability.
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