參數(shù)資料
型號: ISL95711WIU10Z-T
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Terminal Voltage 3V or 5V, 128 Taps I2C Serial Interface
中文描述: 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 128 POSITIONS, PDSO10
封裝: ROHS COMPLIANT, PLASTIC, MO-187BA, MSOP-10
文件頁數(shù): 5/12頁
文件大?。?/td> 333K
代理商: ISL95711WIU10Z-T
5
FN8241.2
August 15, 2005
SDA vs SCL Timing
t
HIGH
Clock HIGH time
Measured at the 70% of V
CC
crossing.
600
ns
t
SU:STA
START condition setup time
SCL rising edge to SDA falling edge. Both
crossing 70% of V
CC
.
600
ns
t
HD:STA
START condition hold time
From SDA falling edge crossing 30% of V
CC
to
SCL falling edge crossing 70% of V
CC
.
600
ns
t
SU:DAT
Input data setup time
From SDA exiting the 30% to 70% of V
CC
window, to SCL rising edge crossing 30% of V
CC
100
ns
t
HD:DAT
Input data hold time
From SCL rising edge crossing 70% of V
CC
to
SDA entering the 30% to 70% of V
CC
window.
0
ns
t
SU:STO
STOP condition setup time
From SCL rising edge crossing 70% of V
CC
, to
SDA rising edge crossing 30% of V
CC
.
600
ns
t
HD:STO
STOP condition setup time
From SDA rising edge to SCL falling edge. Both
crossing 70% of V
CC
.
600
ns
t
DH
Output data hold time
From SCL falling edge crossing 30% of V
CC
, until
SDA enters the 30% to 70% of V
CC
window.
0
ns
t
R
(Note 15)
SDA and SCL rise time
From 30% to 70% of V
CC
20 +
0.1 * Cb
250
ns
t
F
(Note 15)
SDA and SCL fall time
From 70% to 30% of V
CC
20 +
0.1 * Cb
250
ns
Cb
(Note 15)
Capacitive loading of SDA or SCL
Total on-chip and off-chip
10
400
pF
Rpu
(Note 15)
SDA and SCL bus pull-up resistor off-
chip
Maximum is determined by t
R
and t
F
.
For Cb = 400pF, max is about 2~2.5k
.
For Cb = 40pF, max is about 15~20k
.
1
k
t
WC
(Notes 14)
Non-volatile Write cycle time
12
20
ms
t
SU:A
A0, A1 setup time
Before START condition
600
ns
t
HD:A
A0, A1 hold time
After STOP condition
600
ns
Operating Specifications
Over the recommended operating conditions unless otherwise specified.
(Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
(Note 1)
MAX
UNITS
t
SU:STO
t
DH
t
HIGH
t
SU:STA
t
HD:STA
t
HD:DAT
t
SU:DAT
SCL
SDA
(INPUT TIMING)
SDA
(OUTPUT TIMING)
t
F
t
LOW
t
BUF
t
AA
t
R
ISL95711
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