lmh2190 National Semiconductor Corporation, lmh2190 Datasheet - Page 7
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lmh2190
Manufacturer Part Number
lmh2190
Description
Lmh2190 Quad Channel 27 Mhz Clock Tree Driver With I2c Interface
Manufacturer
National Semiconductor Corporation
Datasheet
1.LMH2190.pdf
(24 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
lmh2190TM-38/NOPB
Manufacturer:
NS
Quantity:
270
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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