lmh2190 National Semiconductor Corporation, lmh2190 Datasheet - Page 7

• Manufacturer Part Number: lmh2190
• Description: Lmh2190 Quad Channel 27 Mhz Clock Tree Driver With I2c Interface
• Manufacturer: National Semiconductor Corporation

Connection Diagrams
Pin Descriptions
I = Input, O = Output, I/O = Input / Output
Pin
C1
C2
D4
C4
D3
C3
D2
D1
A3
B3
A4
B4
A2
A1
B1
B2
Pin Name
SCLK_IN
SCLK_REQ
CLK1
CLK_REQ1
CLK2
CLK_REQ2
CLK3
CLK_REQ3
CLK4
CLK_REQ4
ENABLE
SCL
SDA
V
V
V
BAT
OUT
SS
16-Bump micro SMD
Top View
LDO / Output
Bidirectional
Peripheral
Peripheral
Peripheral
Peripheral
Peripheral
Peripheral
Peripheral
Peripheral
Direction
Battery /
Ground
Port /
Host /
Input
Host
Host
Host
Host
Ground
Power
Power
Type
I/O
O
O
O
O
O
I
I
I
I
I
I
I
30083803
Description
Source Clock Input
Source Clock Request
Clock Output 1
Clock Request Input 1
Clock Output 2
Clock Request Input 2
Clock Output 3
Clock Request Input 3
Clock Output 4
Clock Request Input 4
Enable Device, Active High
I
I
Power Supply
Power Supply to Clock Source and Clock Outputs
Ground Pin
2
2
C Clock Input, 100 kΩ Pull-up to ENABLE
C Data I/O, 100 kΩ Pull-up to ENABLE
7
16–Bump micro SMD Marking
AA = LMH2190TM-38
TT = Die Tracebility
XY = Date Code
Top View
300838a8
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