LTC4306 Linear Technology, LTC4306 Datasheet - Page 3

• Manufacturer Part Number: LTC4306
• Description: 2-Wire Bus Multiplexer
• Manufacturer: Linear Technology

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range, otherwise specifications are at T
ELECTRICAL CHARACTERISTICS
SYMBOL
V
V
V
t
t
I
V
I
Upstream-Downstream Buffers
V
V
V
V
V
V
I
Rise Time Accelerators
V
V
I
GPIOs
V
V
V
I
Stuck Low Timeout Circuitry
V
V
T
T
T
ALERT
V
I
I
PHLEN
PLHEN
INEN
OFFREADY
LEAK
BOOST
GPIO(IN)
OFF,ALERT
IN,ALERT1-4
TIMER1
TIMER2
TIMER3
UVLOHYST
TH EN
ENHYST
LOWREADY
OS,BUF
OS,UP-BUF
OS,DOWN-BUF
OL
IL,MAX
THSDA,SCL
SDA,SCL slew
RISE,DC
GPIO(TH)
GPIO(OL)
GPIO(OH)
TIMER(L)
TIMER(HYST)
ALERT(OL)
PARAMETER
UVLO Threshold Hysteresis Voltage
ENABLE Falling Threshold Voltage
ENABLE Threshold Hysteresis Voltage
ENABLE Delay, On-Off
ENABLE Delay, Off-On
ENABLE Input Leakage Current
READY Pin Logic Low Output Voltage
READY Off State Input Leakage Current
Buffer Offset Voltage
Upstream Buffer Offset Voltage
V
Downstream Buffer Offset Voltage
V
Output Low Voltage, V
Output Low Voltage, V
Buffer Input Logic Low Voltage
Downstream SDA, SCL Logic Threshold Voltage
Input Leakage Current
Minimum Slew Requirement to Activate
Rise Time Accelerator Currents
Rise Time Accelerator DC Threshold Voltage
Rise Time Accelerator Pull-Up Current
GPIO Pin Input Threshold
GPIO Pin Output Low Voltage
GPIO Pin Output High Voltage
GPIO Pin Input Leakage Current
Stuck Low Falling Threshold Voltage
Stuck Low Threshold Hysteresis Voltage
Timeout Time #1
Timeout Time #2
Timeout Time #3
ALERT Output Low Voltage
ALERT Off State Input Leakage Current
ALERT1-ALERT4 Input Current
IN, BUFFER
IN, BUFFER
= 0V
= 0V
IN,BUFFER
IN,BUFFER
A
= 25°C. V
= 0V
= 0.2V
CC
= 3.3V unless otherwise noted.
The
CONDITIONS
V
I
V
R
V
V
V
V
SDA, SCL Pins; I
V
SDA, SCL Pins; I
V
V
SDA, SCL Pins; V
Buffers Inactive
SDAIN, SCLIN, SDA1-4, SCL1-4 Pins
SDAIN, SCLIN, SDA1-4, SCL1-4 Pins
SDAIN, SCLIN, SDA1-4, SCL1-4 Pins
(Note 3)
I
I
V
V
TIMSET1,0 = 01
TIMSET1,0 = 10
TIMSET1,0 = 11
I
V
V
PULL-UP
GPIO
GPIO
ALERT
ENABLE
READY
BUS
CC
CC
CC
CC
CC
CC
CC
GPIO
CC
ALERT
ALERT1-4
●
= 2.7V, R
= 5.5V, R
= 2.7V, R
= 5.5V, R
= 3V, 5.5V
= 2.7V, 5.5V
= 2.7V, 5.5V
= 2.7V, 5.5V
= 5mA, V
= –200µA, V
= 10k, V
= 0V, 5.5V, V
denotes specifications which apply over the full specified temperature
= 3mA, V
= 0V, 5.5V
= 0V, 5.5V, V
= 0V, 5.5V, V
= 3mA, V
= 0V, 5.5V
BUS
BUS
BUS
BUS
CC
CC
CC
= 2.7V, 5.5V (Note 4)
SINK
SINK
CC
= 2.7k (Note 4)
= 2.7k (Note 4)
= 2.7k (Note 4)
= 2.7k (Note 4)
= 2.7V
CC
CC
= 2.7V
CC
= 0V to 5.5V;
= 2.7V
= 2.7V
CC
= 4mA,
= 500µA,
CC
= 5.5V
= 5.5V
= 5.5V
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
V
CC
MIN
12.5
6.25
100
0.8
0.4
0.8
0.7
0.8
0.4
25
40
70
60
80
25
4
– 0.3
0.52
0.52
TYP
0.18
175
110
110
140
1.0
1.0
0.4
0.8
5.5
0.2
7.5
0.2
60
60
20
60
80
80
30
15
0
0
0
1
0
0
0
LTC4306
MAX
0.64
0.64
17.5
8.75
250
100
120
150
160
200
400
320
1.2
0.4
1.2
0.8
1.2
0.4
0.4
± 1
± 1
± 5
± 1
± 1
± 1
35
1
UNITS
3
V/µs
4306f
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mV
ms
ms
ms
µA
µA
µA
µA
µA
µA
ns
ns
V
V
V
V
V
V
V
V
V
V