LTC4308 LINER [Linear Technology], LTC4308 Datasheet - Page 3

• Manufacturer Part Number: LTC4308
• Description: Low Voltage, Level Shifting Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
t
V
V
I
t
t
t
t
V
I
Prop Delay and Rise-Time Accelerators
t
t
t
t
I
Input-Output Connection
V
V
V
C
I
V
V
IDLE
ENABLE
PLH_EN
PHL_EN
PLH_READY
PHL_READY
OFF_READY
PHL
PLH
RISE
FALL
PULLUPAC
LEAK
THR_EN
THR_EN(HYST)
OL_READY
OS
THR
THR(HYST)
IN
OL
ILMAX
PARAMETER
Bus Idle Time
ENABLE Threshold Voltage
ENABLE Threshold Voltage Hysteresis
ENABLE Input Current
ENABLE Delay Off-On
ENABLE Delay On-Off
READY Delay Off-On
READY Delay On-Off
READY Output Low Voltage
READY Off Leakage Current
SDA/SCL Propagation Delay High to Low
SDA/SCL Propagation Delay Low to High
SDA/SCL Transition Time Low to High
SDA/SCL Transition Time High to Low
Transient Boosted Pull-Up Current
Input to Output Offset Voltage (OUT – IN)
Output to Input Offset Voltage (IN – OUT)
SDAOUT, SCLOUT Logic Input Threshold Voltage V
SDAIN, SCLIN Logic Input Threshold Voltage
SDAOUT, SCLOUT Logic Input Threshold Voltage
Hysteresis
SDAIN, SCLIN Logic Input Threshold Voltage
Hysteresis
Digital Input Capacitance SDAIN, SDAOUT,
SCLIN, SCLOUT
Input Leakage Current
Output Low Voltage
Buffer Input Logic Low Voltage
A
= 25°C. V
CONDITIONS
ENABLE Rising Edge
(Note 3)
ENABLE from 0V to V
(Figure 1)
(Note 3), (Figure 1)
(Note 3), (Figure 1)
(Note 3), (Figure 1)
I
V
C
(Notes 2, 3), (Figure 1)
C
(Notes 2, 3), (Figure 1)
C
(Notes 3, 4), (Figure 1)
C
(Notes 3, 4), (Figure 1)
Positive Transition > 0.8V/μs on SDAOUT,
SCLOUT (Note 5)
2.7k to V
SDAIN = SCLIN = 0.2V
2.7k to V
SDAIN = SCLIN = 0.4V, V
2.7k to V
SDAOUT = SCLOUT = 0.4V
2.7k to V
SDAOUT = SCLOUT = 0.4V, V
V
SDAIN, SCLIN Rising Edge, V
(Note 3)
(Note 3)
(Note 3)
SDA, SCL Pins
SDAOUT, SCLOUT Pins, I
SDAIN = SCLIN = 0V, V
2.7k to V
SDAIN = SCLIN = 0V
SDAOUT, SCLOUT Pins
The
READY
CC
LOAD
LOAD
LOAD
LOAD
CC
CC
= READY = 5.5V
≥ 2.9V
< 2.9V
l
CC
= 50pF , 2.7k to V
= 50pF , 2.7k to V
= 100pF , 10k to V
= 100pF , 10k to V
= 3mA, V
denotes the specifi cations which apply over the full operating
= 3.3V, unless otherwise noted.
CC
CC
CC
CC
CC
on SDAOUT, SCLOUT,
on SDAOUT, SCLOUT,
on SDAIN, SCLIN,
on SDAIN, SCLIN,
on SDAOUT, SCLOUT,
CC
= 2.3V
CC
CC
CC
CC
CC
CC
CC
SINK
= 2.7V
on SDA, SCL,
on SDA, SCL,
on SDA, SCL,
on SDA, SCL,
= 5.5V
CC
CC
= 4mA,
= 5.5V
= 2.3V, 5.5V
l
l
l
l
l
l
l
l
l
l
l
l
l
–150
–150
0.45
0.45
MIN
250
250
250
1.4
1.1
55
5
0
–200
–250
1.65
1.35
TYP
300
350
300
0.6
0.1
0.1
0.6
LTC4308
95
35
95
10
10
10
70
10
30
30
50
35
8
–300
–350
MAX
0.75
0.75
175
300
300
380
450
400
380
0.4
1.9
1.6
1.2
±5
±5
10
±5
UNITS
3
4308f
mV
mA
mV
mV
mV
mV
mV
mV
mV
mV
μA
μA
μA
μs
μs
ns
ns
ns
ns
ns
ns
ns
pF
V
V
V
V
V
V