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參數(shù)資料
| 型號(hào)： | EM128L08T |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 128Kx8 Bit Ultra-Low Power Asynchronous Static RAM |
| 中文描述： | 128Kx8位超低功耗異步靜態(tài)RAM |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 61K |
| 代理商： | EM128L08T |
Stock No. 23005-07 6/99
3
NanoAmp Solutions
EM128C08
TABLE 3: Absolute Maximum Ratings*
*Stresses greater than those listed above may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those indicated in the operating section of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
TABLE 4: Operating Characteristics (Over the Specified Temperature Range)
Note 1. Operating current is a linear function of operating frequency and voltage. You may calculate operating current
using the formula shown with operating frequency (f) expressed in Mhz and operating voltage (V) in volts. Example:
Operating at 2 Mhz at 3.0 volts will draw a maximum current of 0.5*2*3 = 3.0 mA.
Note 2. This device assumes a standby mode if either CE1 is disabled (high) or CE2 is disabled (low). It will also
automatically go into a standby mode whenever all input signals are quiescent (not toggling) regardless of the state of
CE1 or CE2. In order to achieve low standby current in the enabled mode (CE1 low and CE2 high), all inputs must be
within 0.2 volts of either V
CC
or V
SS
.
TABLE 5: Capacitance*
Note: These parameters are verified in device characterization and are not 100% tested
Item
Symbol
Rating
Unit
Voltage on any pin relative to V
SS
Voltage on V
CC
Supply Relative to V
SS
Power Dissipation
V
IN,OUT
V
CC
P
D
T
STG
T
A
–0.3 to V
CC
+0.3
–0.3 to 4.0
V
V
500
mW
Storage Temperature
–40 to +125
o
C
o
C
Operating Temperature
-20 to +80
Item
Symbol
Test Conditions
EM128C08
Unit
Min.
Max.
Operating Supply Voltage
V
CC
V
DR
V
IH
V
IL
V
OH
V
OL
I
LI
1.5
3.6
V
Data Retention Voltage
CE1 = V
CC
or
CE2 = 0
1.2
V
Input High Voltage
0.7V
CC
–0.3
V
CC
+0.3
0.3*V
CC
V
Input Low Voltage
V
Output High Voltage
I
OH
= -0.1mA
I
OL
= 0.1mA
V
IN
= 0 to V
CC
OE or CE1 = V
CC
or
CE2 = 0
V
IN
= V
CC
or 0V
CE1 = 0 and
CE2 = V
CC
V
IN
=V
CC
or 0V, t
A
=25
o
C
V
IN
=V
CC
or 0V, t
A
=55
o
C
V
IN
=V
CC
or 0V, t
A
=80
o
C
0.8*V
CC
V
Output Low Voltage
0.2*V
CC
0.5
V
Input Leakage Current
μ
A
Output Leakage Current
I
LO
0.5
μ
A
Operating Supply Current (Note
1)
I
CC
0.5*f*V
mA
Standby Current (Note 2), and
Data Retention
Current
I
SB,
I
DR
0.2
μ
A
1
10
Item
Symbol
Test Condition
Min
Max
Unit
Input Capacitance
C
IN
C
I/O
V
IN
= 0V, f = 1 Mhz, T
A
= 25
o
C
V
IN
= 0V, f = 1 Mhz, T
A
= 25
o
C
5
pF
I/O Capacitance
5
pF
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