DS64EV400_15 Datasheet, PDF (6/22 Pages) Texas Instruments – Programmable Quad Equalizer

DS64EV400
SNLS281H – AUGUST 2007 – REVISED APRIL 2013
Electrical Characteristics — Serial Management Bus Interface
Over recommended operating supply and temperature ranges unless other specified.
Parameter
Test Conditions
SERIAL BUS INTERFACE DC SPECIFICATIONS
V_IL
V_IH
I_PULLUP
Data, Clock Input Low Voltage
Data, Clock Input High Voltage
Current Through Pull-Up Resistor or
Current Source
High Power Specification
V_DD
I_LEAK-Bus
I_LEAK-Pin
C_I
R_TERM
Nominal Bus Voltage
Input Leakage Per Bus Segment
Input Leakage Per Device Pin
Capacitance for SDA and SDC
External Termination Resistance pull
to V_DD = 2.5V ± 5% OR
3.3V ± 10%
See ⁽¹⁾
See ^{(1) (2)}
V_DD3.3, ^{(1) (2) (3)}
V_DD2.5, ^{(1) (2) (3)}
SERIAL BUS INTERFACE TIMING SPECIFICATIONS (Figure 8)
FSMB
Bus Operating Frequency
See ⁽⁴⁾
TBUF
Bus Free Time Between Stop and
Start Condition
THD:STA
Hold time after (Repeated) Start
Condition. After this period, the first
clock is generated.
At I_PULLUP, Max
TSU:STA Repeated Start Condition Setup Time
TSU:STO Stop Condition Setup Time
THD:DAT Data Hold Time
TSU:DAT
T_TIMEOUT
T_LOW
T_HIGH
T_LOW:SEXT
t_F
t_R
t_POR
Data Setup Time
Detect Clock Low Timeout
Clock Low Period
Clock High Period
Cumulative Clock Low Extend Time
(Slave Device)
Clock/Data Fall Time
Clock/Data Rise Time
Time in which a device must be
operational after power-on reset
See ⁽⁴⁾
See ⁽⁴⁾
See ⁽⁴⁾
See ⁽⁴⁾
See ⁽⁴⁾
See ⁽⁴⁾
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Min Typ Max Units
0.8
V
2.1
V_DD
V
4
mA
2.375
3.6
V
-200
+200
µA
-15
µA
10
pF
2000
Ω
1000
Ω
10
100
kHz
4.7
µs
4.0
µs
4.7
µs
4.0
µs
300
ns
250
ns
25
35
ms
4.7
µs
4.0
50
µs
2
ms
300
ns
1000
ns
500
ms
(1) Recommended value. Parameter not tested in production.
(2) Recommended maximum capacitance load per bus segment is 400pF.
(3) Maximum termination voltage should be identical to the device supply voltage.
(4) Compliant to SMBus 2.0 physical layer specification. See System Management Bus (SMBus) Specification Version 2.0, section 3.1.1
SMBus common AC specifications for details.
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