
Detailed Description
LVDS is a signaling method for point-to-point data com-
munication over a controlled-impedance medium as
defined by the ANSI/TIA/EIA-644 and IEEE 1596.3 stan-
dards. LVDS uses a lower voltage swing than other
common communication standards, achieving higher
data rates with reduced power consumption, while
reducing EMI emissions and system susceptibility to
noise.
The MAX9153/MAX9154 are 800Mbps, 10-port
repeaters for high-speed, point-to-point, low-power
applications. The MAX9153 accepts an LVDS input and
has a fail-safe input circuit. The MAX9154 accepts an
LVPECL input. Both devices repeat the input at 10 LVDS
outputs. The devices detect differential signals as low
as 50mV and as high as 1.2V within the 0 to 2.4V input
voltage range as specified in the LVDS standards.
The MAX9153/MAX9154 outputs use a current-steering
configuration to generate a 2.5mA to 4.5mA output cur-
rent. This current-steering approach induces less
ground bounce and no shoot-through current, enhanc-
ing noise margin and system speed performance. The
outputs are short-circuit current limited and are high
PIN
NAME
FUNCTION
1, 3, 11, 13,
16, 18, 20,
24, 26, 28
DO2+, DO1+, DO10+,
DO9+, DO8+, DO7+,
DO6+, DO5+, DO4+, DO3+
2, 4, 12, 14,
15, 17, 19,
23, 25, 27
DO2-, DO1-, DO10-, DO9-,
DO8-, DO7-,
DO6-, DO5-, DO4-, DO3-
Differential LVDS Outputs
5
PWRDN
Power Down. Drive PWRDN low to disable all outputs and reduce supply current
to 2A. Drive PWRDN high for normal operation.
6, 9, 21
GND
Ground
10, 22
VCC
Power. Bypass each VCC pin to GND with 0.1F and 1nF ceramic capacitors.
7RIN+
8RIN-
LVDS (MAX9153) or LVPECL (MAX9154) Differential Inputs. RIN+ and RIN- are
high-impedance inputs. Connect a resistor from RIN+ to RIN- to terminate the
input signal.
Pin Description
MAX9153/MAX9154
Low-Jitter, 800Mbps, 10-Port LVDS
Repeaters with 100
Ω Drive
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(VCC = +3.3V, RL = 100
Ω, CL = 5pF, |VID| = 200mV, VCM = 1.2V, fIN = 200MHz, TA = +25°C, unless otherwise noted.)
220
320
270
420
370
470
520
50
150
DIFFERENTIAL OUTPUT vs.
OUTPUT LOAD
MAX9153/54
toc10
OUTPUT LOAD (
Ω)
DIFFERENTIAL
OUTPUT
(mV)
90
70
110
130
380
386
384
382
388
390
392
394
396
398
400
3.0
3.2
3.1
3.3
3.4
3.5
3.6
DIFFERENTIAL OUTPUT vs.
SUPPLY VOLTAGE
MAX9153/54
toc09
SUPPLY VOLTAGE (V)
DIFFERENTIAL
OUTPUT
(mV)