DATASHEET
ISL59424, ISL59445 FN7456
Rev 3.00
September 30, 2011 1GHz Triple Multiplexing Amplifiers
The ISL59424, ISL59445 are 1GHz bandwidth multiplexing
amplifiers designed primarily for video input switching.
These MUX-amps exhibit a fixed gain of 1 and also feature a
high speed three-state to enable the output of multiple
devices to be wired together. All logic inputs have pull-downs
to ground and may be left floating. The EN pin, when pulled
high, sets the ISL59424, ISL59445 in to low current
mode-consuming just 15mW. An added feature in the
ISL59424 is a latch enable function (LE) that allows
independent logic control using a common logic bus. When
LE is high the last logic state is preserved.
TABLE 1. CHANNEL SELECT LOGIC TABLE ISL59424
S0 ENABLE HIZ LE OUTPUT 0 0 0 0 INO (A, B, C) 1 0 0 0 IN1 (A, B, C) X 1 X X Power Down X 0 1 X High Z X 0 0 1 Last S0 State
Preserved Features Triple 2:1 and 4:1 Multiplexers for RGB Internally Set Gain-of-1 High Speed Three-state Outputs (HIZ) Power-down Mode (EN) Latch Enable (ISL59424) В±5V Operation В±1200 V/Вµsec Slew Rate 1GHz Bandwidth Latched Select Pin (ISL59424) Pb-Free (RoHS Compliant) Applications HDTV/DTV Analog Inputs Video Projectors Computer Monitors Set-top Boxes Security Video Broadcast Video Equipment TABLE 2. CHANNEL SELECT LOGIC TABLE ISL59445
S1 S0 ENABLE HIZ OUTPUT 0 0 0 0 IN0 (A, B, C) 0 1 0 0 IN1 (A, B, C) 1 0 0 0 IN2 (A, B, C) 1 1 0 0 IN3 (A, B, C) X X 1 X Power Down X X 0 1 High Z Ordering Information
PART NUMBER
(Notes 1, 2, 3) PART
MARKING PACKAGE
(Pb-Free) PKG. …