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ISD5116S Datasheet(PDF) 45 Page - Winbond

Part No. ISD5116S
Description  Single-Chip Voice Record/Playback Device Up to 16-Minute Duration with Digital Storage Capability
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Maker  WINBOND [Winbond]
Homepage  http://www.winbond.com
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ISD5116S Datasheet(HTML) 45 Page - Winbond

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October 2000
Page 44
I
2C Interface Timing
STANDARD-MODE
FAST-MODE
PARAMETER
SYMBOL
MIN.
MAX.
MIN.
MAX.
UNIT
SCL clock frequency
fSCL
0
100
0
400
kHz
Hold time (repeated) START
condition. After this period, the first
clock pulse is generated
tHD; STA
4.0
-
0.6
-
µs
LOW period of the SCL clock
tLOW
4.7
-
1.3
-
µs
HIGH period of the SCL clock
tHIGH
4.0
-
0.6
-
µs
Set-up time for a repeated START
condition
tSU; STA
4.7
-
0.6
-
µs
Data set-up time
tSU; DAT
250
-
100
(1)
-ns
Rise time of both SDA and SCL
signals
tr
-
1000
20 + 0.1Cb
(2)
300
ns
Fall time of both SDA and SCL
signals
tf
-
300
20 + 0.1Cb
(2)
300
ns
Set-up time for STOP condition
tSU; STO
4.0
-
0.6
-
µs
Bus-free time between a STOP and
START condition
tBUF
4.7
-
1.3
-
µs
Capacitive load for each bus line
Cb
-
400
-
400
pF
Noise margin at the LOW level for
each connected device (including
hysteresis)
VnL
0.1 VDD
-
0.1 VDD
-V
Noise margin at the HIGH level for
each connected device (including
hysteresis)
VnH
0.2 VDD
-
0.2 VDD
-V
1.
A Fast-mode I
2C-interface device can be used in a Standard-mode I2C-interface system, but the requirement
tSU;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;
tr max + tSU;DAT = 1000 + 250 = 1250 ns (according to the Standard-mode I
2C -interface specification) before the
SCL line is released.
2.
Cb = total capacitance of one bus line in pF. If mixed with HS mode devices, faster fall-times are allowed.


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