參數(shù)資料
型號(hào)： FM30C256
廠商： Electronic Theatre Controls, Inc.
英文描述： 12 AMP MINIATURE POWER RELAY
中文描述： 256Kb的數(shù)據(jù)采集器
文件頁(yè)數(shù)： 15/18頁(yè)
文件大小： 260K
代理商： FM30C256
AC Parameters
(T
A
= -40
°
C to + 85
°
C, V
DD
= 4.5V to 5.5V, C
L
= 100 pF unless otherwise specified)
Symbol Parameter
f
SCL
SCL Clock Frequency
t
LOW
Clock Low Period
t
HIGH
Clock High Period
t
AA
SCL Low to SDA Data Out Valid
FM30C256
Rev 2.1
Dec. 2002
Page 15 of 18
Min
0
4.7
4.0
Max
100
3
Min
0
1.3
0.6
Max
400
0.9
Min
0
0.6
0.4
Max
1000
0.55
Units
kHz
μ
s
μ
s
μ
s
Notes
t
BUF
t
HD:STA
t
SU:STA
Bus Free Before New Transmission
Start Condition Hold Time
Start Condition Setup for Repeated
Start
Data In Hold
Data In Setup
Input Rise Time
Input Fall Time
Stop Condition Setup
Data Output Hold
(from SCL @ VIL)
Noise Suppression Time Constant
on SCL, SDA
Notes:
All SCL specifications as well as start and stop conditions apply to both read and write operations.
1
This parameter is periodically sampled and not 100% tested.
Power Cycle Timing
(T
A
= -40
°
C to + 85
°
C)
Symbol
Parameter
t
RPU
Reset active after V
DD
>V
TP
t
RNR
V
DD
< V
TP
noise immunity
t
R
Rise time of V
DD
from V
BAK
to V
TP
t
F
Fall time of V
DD
from V
TP
to V
BAK
Notes
1
This parameter is periodically sampled and not 100% tested.
2
Slew rate for proper transition between the battery-backed and normal operation.
Data Retention
(V
DD
= 4.5V to 5.5V unless otherwise specified)
Parameter
Min
Data Retention
10
Notes
1.
The relationship between retention, temperature, and the associated reliability level is
characterized separately.
Capacitance
(T
A
= 25
°
C, f=1.0 MHz, V
DD
= 5V)
Symbol
Parameter
C
IO
Input/output capacitance (SDA)
C
I
Input capacitance
C
XTAL
X1, X2 Crystal pin capacitance
Notes
1
This parameter is periodically sampled and not 100% tested.
2
The crystal attached to the X1/X2 pins must be rated as 6pF.
4.7
4.0
4.7
1.3
0.6
0.6
0.5
0.25
0.25
μ
s
μ
s
μ
s
t
HD:DAT
t
SU:DAT
t
R
t
F
t
SU:STO
t
DH
0
0
0
ns
ns
ns
ns
μ
s
ns
250
4.0
0
100
0.6
0
100
0.25
0
1000
300
300
300
300
100
1
1
t
SP
50
50
50
ns
Min
100
10
100
100
Typ
-
-
-
-
Max
200
25
Units
ms
μ
s
μ
s
μ
s
Notes
1
1,2
1,2
Units
Years
Notes
1
Max
8
6
12
Units
pF
pF
pF
Notes
1
1
1, 2
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