參數(shù)資料
型號: U631H256
廠商: Electronic Theatre Controls, Inc.
英文描述: SoftStore 32K x 8 nvSRAM
中文描述: SoftStore 32K的× 8非易失
文件頁數(shù): 3/13頁
文件大小: 150K
代理商: U631H256
U631H256
3
March 31, 2006
STK Control #ML0043
Rev 1.0
DC Characteristics
Symbol
Conditions
C-Type
K-Type
Unit
Min.
Max.
Min.
Max.
Operating Supply Current
b
I
CC1
V
CC
V
IL
V
IH
t
c
= 5.5 V
= 0.8 V
= 2.2 V
= 25 ns
95
100
mA
Average Supply Current during
STORE
c
I
CC2
V
CC
E
W
V
IL
V
IH
= 5.5 V
V
CC
-0.2 V
V
CC
-0.2 V
0.2 V
V
CC
-0.2 V
6
7
mA
Average Supply Current
at t
cR
= 200 ns
b
(Cycling CMOS Input Levels)
I
CC3
V
CC
W
V
IL
V
IH
= 5.5 V
V
CC
-0.2 V
0.2 V
V
CC
-0.2 V
20
20
mA
Standby Supply Current
d
(Cycling TTL Input Levels)
I
CC(SB)1
V
CC
E
t
c
= 5.5 V
V
IH
= 25 ns
40
42
mA
Standby Supply Curent
d
(Stable CMOS Input Levels)
I
CC(SB)
V
CC
E
V
IL
V
IH
= 5.5 V
V
CC
-0.2 V
0.2 V
V
CC
-0.2 V
1
2
mA
Recommended
Operating Conditions
Symbol
Conditions
Min.
Max.
Unit
Power Supply Voltage
V
CC
4.5
5.5
V
Input Low Voltage
V
IL
-2 V at Pulse Width
10 ns permitted
-0.3
0.8
V
Input High Voltage
V
IH
2.2
V
CC
+0.3
V
b:
I
and I
are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded
The current I
CC1
is measured for WRITE/READ - ratio of 1/2.
I
CC2
is the average current required for the duration of the STORE cycle (t
STORE
).
Bringing E
V
IH
will not produce standby current levels until any nonvolatile cycle in progress has timed out.
The current I
CC(SB)1
is measured for WRITE/READ - ratio of 1/2.
c:
d:
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