MAX14954 Datasheet, PDF (13/17 Pages) Maxim Integrated Products – Computer on Modules

MAX14954
Ruggedized Quad PCIe Redriver with
Equalization and Extended Temperature Operation
Pin Configuration
TOP VIEW
38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
EN 39 *EP
21 OEQ0
RXDET 40
OEQ2 41
MAX14954
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
TQFN
*CONNECT EXPOSED PAD (EP) TO GND.
Pin Descriptions
PIN
1, 9, 17, 22,
30, 38
NAME
V_CC
FUNCTION
Power-Supply Input. Bypass V_CC to GND with 1µF and 0.1µF capacitors in parallel as close as
possible to the device.
2, 5, 8, 10,
13, 16, 23,
26, 29, 31,
34, 37
GND Ground
3
IN0P Noninverting Input, Channel 0
4
IN0N Inverting Input, Channel 0
6
IN1P Noninverting Input, Channel 1
7
IN1N Inverting Input, Channel 1
11
IN2P Noninverting Input, Channel 2
12
IN2N Inverting Input, Channel 2
14
IN3P Noninverting Input, Channel 3
15
IN3N Inverting Input, Channel 3
18
INEQ1 Input Equalization Control MSB. INEQ1 has a 250kΩ (typ) internal pulldown resistor.
19
INEQ0 Input Equalization Control LSB. INEQ0 has a 250kΩ (typ) internal pulldown resistor.
20
OEQ1 Output Deemphasis Control Bit 1. OEQ1 has a 250kΩ (typ) internal pulldown resistor.
21
OEQ0 Output Deemphasis Control LSB. OEQ0 has a 250kΩ (typ) internal pulldown resistor.
24
OUT3N Inverting Output, Channel 3
25
OUT3P Noninverting Output, Channel 3
27
OUT2N Inverting Output, Channel 2
28
OUT2P Noninverting Output, Channel 2
32
OUT1N Inverting Output, Channel 1
33
OUT1P Noninverting Output, Channel 1
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