參數(shù)資料
型號(hào): ISD5116SERIES
英文描述: Single-Chip Voice Record/Playback Device with Digital Memory Capability
中文描述: 單芯片語(yǔ)音記錄/回放和數(shù)字記憶能力的裝置
文件頁(yè)數(shù): 57/81頁(yè)
文件大?。?/td> 2441K
代理商: ISD5116SERIES
ISD5116
I
2
C INTERFACE TIMING
STANDARD-MODE
FAST-MODE
PARAMETER
SYMBOL
MIN.
MAX.
MIN.
MAX.
UNIT
SCL clock frequency
f
SCL
0
100
0
400
kHz
Hold
condition. After this period, the first
clock pulse is generated
time
(repeated)
START
t
HD-STA
4.0
-
0.6
-
s
LOW period of the SCL clock
t
LOW
4.7
-
1.3
-
s
HIGH period of the SCL clock
t
HIGH
4.0
-
0.6
-
s
Set-up time for a repeated START
condition
t
SU-STA
4.7
-
0.6
-
s
Data set-up time
t
SU-DAT
250
-
100
(1)
-
ns
Rise time of both SDA and SCL
signals
t
r
-
1000
20 + 0.1C
b
(2)
300
ns
Fall time of both SDA and SCL
signals
t
f
-
300
20 + 0.1C
b
(2)
300
ns
Set-up time for STOP condition
t
SU-STO
4.0
-
0.6
-
s
Bus-free time between a STOP and
START condition
t
BUF
4.7
-
1.3
-
s
Capacitive load for each bus line
C
b
-
400
-
400
pF
Noise margin at the LOW level for
each connected device (including
hysteresis)
V
nL
0.1 V
DD
-
0.1 V
DD
-
V
Noise margin at the HIGH level for
each connected device (including
hysteresis)
V
nH
0.2 V
DD
-
0.2 V
DD
-
V
1. A Fast-mode I
2
C-interface device can be used in a Standard-mode I
2
C-interface system, but the
requirement t
SU;DAT
> 250 ns must then be met. This will automatically be the case if the device does not
stretch the LOW period of the SCL signal.
If such a device does stretch the LOW period of the SCL signal, it must output the next data bit to the SDA
line; t
r max
+ t
SU;DAT
= 1000 + 250 = 1250 ns (according to the Standard-mode I
C -interface specification)
before the SCL line is released.
2. C
b
= total capacitance of one bus line in pF. If mixed with HS mode devices, faster fall-times are
allowed.
Publication Release Date: October, 2002
- 57 -
Revision 2.1
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