adt7476a Analog Devices, Inc., adt7476a Datasheet - Page 4
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adt7476a
Manufacturer Part Number
adt7476a
Description
Dbcool Remote Thermal Controller And Voltage Monitor
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADT7476A.pdf
(72 pages)
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ADT7476A
Parameter
DIGITAL INPUT LOGIC LEVELS (TACH INPUTS)
DIGITAL INPUT LOGIC LEVELS (THERM) ADTL+
DIGITAL INPUT CURRENT
SERIAL BUS TIMING
1
2
All voltages are measured with respect to GND, unless otherwise specified. Typical voltages are T
accept input high voltages up to V
and V
SMBus timing specifications are guaranteed by design and are not production tested.
Input High Voltage, V
Input Low Voltage, V
Hysteresis
Input High Voltage, V
Input Low Voltage, V
Input High Current, I
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
IH
= 2.0 V for a rising edge.
SDA
SCL
P
t
BUF
LOW
BUF
HIGH
SW
SCLK
SU;DAT
S
IL
f
IL
IL
IH
IN
r
IH
IH
t
HD; STA
MAX
TIMEOUT
t
LOW
, even when the device is operating down to V
t
R
t
HD; DAT
t
HIGH
Figure 2. Serial Bus Timing Diagram
Min
2.0
−0.3
10
4.7
4.7
4.0
250
15
t
F
t
SU; DAT
Rev. 0 | Page 4 of 72
Typ
0.5
±1
±1
5
MIN
. Timing specifications are tested at logic levels of V
S
Max
5.5
0.8
0.4
400
50
50
1,000
300
35
0.75 × V
A
= 25°C and probably represent a parametric norm. Logic inputs
t
SU; STA
t
CC
HD; STA
Unit
V
V
V
V
V p-p
V
V
μA
μA
pF
kHz
ns
μs
μs
μs
ns
μs
ns
ms
Test Conditions/Comments
Maximum input voltage
Minimum input voltage
V
V
See Figure 2
Can be optionally disabled
IN
IN
= V
= 0
t
SU; STO
CC
IL
= 0.8 V for a falling edge,
P