ADT7473_11 ONSEMI [ON Semiconductor], ADT7473_11 Datasheet - Page 4
ADT7473_11
Manufacturer Part Number
ADT7473_11
Description
dbCOOL Remote Thermal Monitor and Fan Control
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
1.ADT7473_11.pdf
(74 pages)
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1. All voltages are measured with respect to GND, unless otherwise noted. Typicals are at TA = 25°C and represent most likely parametric norm.
2. Serial management bus (SMBus) timing specifications are guaranteed by design and are not production tested.
ELECTRICAL CHARACTERISTICS
Digital Input Logic Levels (THERM) ADTL+
Serial Bus Timing (Note 2)
Input High Voltage, V
Input Low Voltage, V
Input High Voltage, V
Input Low Voltage, V
Input Low Current, I
Input Capacitance, C
Clock Frequency, f
Glitch Immunity, t
Bus Free Time, t
SCL Low Time, t
SCL High Time, t
SCL, SDA Rise Time, t
SCL, SDA Fall Time, t
Data Setup Time, t
Detect Clock Low Timeout, t
Logic inputs accept input high voltages up to V
levels of V
SDA
SCL
IL
P
= 0.8 V for a falling edge and VIH = 2.0 V for a rising edge.
t
Parameter
BUF
BUF
LOW
HIGH
SW
S
SCLK
SU; DAT
IL
IL
IL
IH
IH
IN
f
t
r
HD: STA
TIMEOUT
t
LOW
t
R
t
HD: DAT
T
A
= T
V
V
Can be optionally disabled
IN
IN
Figure 2. Serial Bus Timing Diagram
MAX
MIN
= V
= 0
, even when the device is operating down to V
to T
CC
t
(See Figure 2)
HIGH
MAX
http://onsemi.com
t
F
Conditions
t
SU: DAT
, V
CC
= V
4
MIN
to V
MAX
S
, unless otherwise noted. (Note 1)
t
SU: STA
0.75 x V
t
HD: STA
Min
250
4.7
4.7
4.0
10
15
MIN
CC
. Timing specifications are tested at logic
Typ
5.0
±1
±1
t
SU: STO
1,000
Max
400
300
0.8
50
50
35
P
Unit
kHz
mA
mA
ms
pF
ns
ms
ms
ms
ns
ms
ns
V
V
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