EQCO62T20.3 Datasheet, PDF (5/32 Pages) Microchip Technology – EQCO62T20.3 6.25 Gbps Asymmetric Coax Driver

EQCO62T20.3/EQCO31T20.3
1.1 Pinout and Pin Description
FIGURE 1-2:
EQCO62T20.3 PIN DIAGRAM(VIEWED FROM TOP)
NC
NC LFO LFVCC
16
15
14
13
GND 1
12 VCC
SDIp ²
11 SDOp
SDIn ³
GND 4
EQCO62T20.3
GND TAB
10 _SDOn
9 VCC
5
6
7
8
NC
NC
NC
NC
TABLE 1-1: EQCO62T20.3 PIN DESCRIPTIONS
Pin Number
(TAB)
9, 12
1, 4
2, 3
11, 10
13
14
5, 6, 7, 8, 15, 16
Pin Name
GND
VCC
GND
SDIp/SDIn
SDOp/SDOn
LFVCC
LFO
NC
Signal Type
Description
Power
Connect to ground.
Power
Connect to +1.2V of power supply.
Power
Connect to ground of power supply.
Differential Input
Serial input positive/negative differential serial input. Typical
input swing is 2x300 mV. Minimal input swing is 2x250 mV.
2x50Ω on-chip termination resistor.
Differential Output
Differential serial output pair. On-Chip 75Ω termination
resistors. SDOp is connected to the coax cable by a
capacitor. SDOn needs to be connected to GND by 75Ω
termination resistor and capacitor.
Swing is fixed to VCC/2.
Power
Power supply for the uplink output (between 1.2V and 3.3V).
Output
Low-frequency uplink output. LVTTL with output swing equal
to LFVCC. Supports capacitive loads up to 20 pF for 21 Mbps
operation.
—
Do not connect. Leave these pins floating. Used for
internal testing.
 2011-2016 Microchip Technology Inc.
DS60001301B-page 5