LMH2190TM-38 NSC [National Semiconductor], LMH2190TM-38 Datasheet - Page 4

• Manufacturer Part Number: LMH2190TM-38
• Description: Quad Channel 27 MHz Clock Tree Driver with I2C Interface
• Manufacturer: NSC [National Semiconductor]

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Clock Request Output (SCLK_REQ)
tp
tp
V
V
Clock Request Inputs (CLK_REQ1/2/3/4)
t
V
V
I
I
SCL and SDA Inputs, V
V
V
I
I
V
ENABLE Input
V
V
I
I
LDO
V
I
V
I
SET
IH
IL
IH
IL
IH
IL
LOAD
SC
Symbol
OH
OL
IH
IL
IH
IL
OL
IH
IL
OUT
DO
LH
HL
Propagation Delay, Push-Pull
and Open Source,
(Note
Propagation Delay, Push-Pull
and Open Drain,
(Note
SCLK_REQ Output Voltage High
Level
SCLK_REQ Output Voltage Low
Level
Setup Time from CLK_REQx to
SCLK_IN, to enable CLKx,
Figure
CLK_REQ1/2/3/4 Input Voltage
High Level
CLK_REQ1/2/3/4 Input Voltage
Low Level
CLK_REQ1/2/3/4 Input Current
High Level
CLK_REQ1/2/3/4 Input Current
Low Level
SCL and SDA Input Voltage High
Level
SCL and SDA Input Voltage Low
Level
SCL and SDA Input Current High
Level
SCL and SDA Input Current Low
Level
SDA Output Voltage Low Level
ENABLE Input Voltage High
Level
ENABLE Input Voltage Low Level
ENABLE Input Current High
Level
ENABLE Input Current Low Level ENABLE = V
Output Voltage
Load Current
Dropout Voltage
Short Circuit Current Limit
7)
7)
4,
(Note
Parameter
ENABLE
(Note
7)
(Note
Figure
Figure
= 1.8V
12)
14)
2,
2,
(Note
10)
50% to 50%
50% to 50%
SCLK_REQ = -500 µA, Push-Pull
Output
SCLK_REQ = -500 µA, Open Source
Output
SCLK_REQ = 500 µA, Push-Pull Output
SCLK_REQ = 500 µA, Open Drain
Output
200 kΩ internal pull down resistor.
CLK_REQ1/2/3/4 = 1.8V
Without internal / external pull down
resistor. CLK_REQ1/2/3/4 = 1.8V
V
SCL/SDA = V
100 kΩ internal Pull-up resistor, SCL/
SDA = V
SDA = 3 mA
ENABLE = V
I
V
V
OUT
IL
OUT
OUT
= V
= 1 mA
> 1.74V
= 1.7V, I
SS
SS
OUT
SS
ENABLE
OUT
Condition
= 10 mA
4
(Note
V
V
ENABLE
0.8 x
0.8 x
1.52
1.52
1.65
1.78
Min
-0.1
-0.1
DD_IO
-28
16
0
6)
(Note
1.805
Typ
100
300
8.3
-18
21
15
0
0
0
5)
(Note
V
V
0.2 x
0.2 x
ENABLE
Max
12.7
1.82
150
DD_IO
0.2
0.2
0.1
0.1
0.2
0.5
0.1
32
21
10
2
6)
Units
mA
mV
mA
µA
µA
µA
µA
µA
µA
ns
ns
V
V
V
V
V
V
V
V
V
V