MAX14950 Datasheet, PDF (13/17 Pages) Maxim Integrated Products – Quad PCI Express Equalizer/Redriver

MAX14950
Quad PCI Express Equalizer/Redriver
TOP VIEW
Pin Configuration
38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
EN 39 *EP
RXDET 40
OEQ2 41
MAX14950
21 OEQ0
20 OEQ1
19 INEQ0
I.C. 42
+
18 INEQ1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
*CONNECT EXPOSED PAD (EP) TO GND.
TQFN
PIN
1, 9, 17, 22,
30, 38
2, 5, 8, 10,
13, 16, 23,
26, 29, 31,
34, 37
3
4
6
7
11
12
14
15
18
19
20
21
24
25
27
28
32
33
NAME
VCC
GND
IN0P
IN0N
IN1P
IN1N
IN2P
IN2N
IN3P
IN3N
INEQ1
INEQ0
OEQ1
OEQ0
OUT3N
OUT3P
OUT2N
OUT2P
OUT1N
OUT1P
Pin Description
FUNCTION
Power-Supply Input. Bypass VCC to GND with 1FF and 0.1FF capacitors in parallel as close as
possible to the device.
Ground
Noninverting Input, Channel 0
Inverting Input, Channel 0
Noninverting Input, Channel 1
Inverting Input, Channel 1
Noninverting Input, Channel 2
Inverting Input, Channel 2
Noninverting Input, Channel 3
Inverting Input, Channel 3
Input Equalization Control MSB. INEQ1 has a 250kI (typ) internal pulldown resistor.
Input Equalization Control LSB. INEQ0 has a 250kI (typ) internal pulldown resistor.
Output Deemphasis Control Bit 1. OEQ1 has a 250kI (typ) internal pulldown resistor.
Output Deemphasis Control LSB. OEQ0 has a 250kI (typ) internal pulldown resistor.
Inverting Output, Channel 3
Noninverting Output, Channel 3
Inverting Output, Channel 2
Noninverting Output, Channel 2
Inverting Output, Channel 1
Noninverting Output, Channel 1
Maxim Integrated
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