LMH2190 Datasheet, PDF (2/32 Pages) National Semiconductor (TI) – Quad Channel 27 MHz Clock Tree Driver with I2C Interface

LMH2190
SNAS473H – JUNE 2009 – REVISED MAY 2013
Typical Application
V_BAT
C_BAT
1 PF
V_{OUT B1}
C_OUT
2.2 PF
V_BAT
A1
1.8V LDO, 10 mA
A3 CLK1
C_CLK
10 nF
C_IN
V_DD
470 pF _{SCLK_IN C1}
CLOCK
GND ^EN
SCLK_REQ C2
CLOCK
TREE
DRIVER
CPU/
BASE
BAND
R_1,2
5.1 k:
CONTROL
LOGIC
ENABLE A2
SCL D2
I²C
SDA D1
CLOCK
REQUEST
LMH2190 _B2
A4 CLK2
D4 CLK3
D3 CLK4
B3 CLK_REQ1
B4 ^CLK_REQ2
C4 ^CLK_REQ3
C3 ^CLK_REQ4
V_SS
www.ti.com
PERIPHERAL
PERIPHERAL
PERIPHERAL
PERIPHERAL
2
Submit Documentation Feedback
Product Folder Links: LMH2190
Copyright © 2009–2013, Texas Instruments Incorporated