PTN36221A
Single-channel SuperSpeed USB 3.0 redriver
Rev. 2.1 — 25 August 2015
Product data sheet
1. General description
The PTN36221A is a small, low power, high performance SuperSpeed USB 3.0 redriver
that enhances signal quality by performing receive equalization on the deteriorated input
signal followed by transmit de-emphasis maximizing system link performance. With its
superior differential signal conditioning and enhancement capability, the device delivers
significant flexibility and performance scaling for various systems with different PCB trace
and cable channel conditions and still benefit from optimum power consumption.
PTN36221A is a single-channel device that supports data signaling rate of 5 Gbit/s.
The PTN36221A has built-in advanced power management capability that enables
significant power saving under various different USB 3.0 Low-power modes (U2/U3). The
device performs these actions without host software intervention and conserves power.
The PTN36221A is powered by a 1.8 V supply. It is available in X2QFN12
1.6 mm 1.6 mm 0.35 mm package with 0.4 mm pitch.
2. Features and benefits
Supports single-channel USB 3.0 redriver at 5 Gbit/s
Compliant to SuperSpeed USB 3.0 standard
Supports Low Frequency Periodic Signaling (LFPS) and is USB3.0 compatible
Adjustable receive equalization, transmit de-emphasis and output swing functions
Selectable receive equalization to recover from InterSymbol Interference (ISI) and
high-frequency losses
Selectable transmit de-emphasis and output swing delivers pre-compensation
suited to channel conditions
Selectable output swing adjustment
Integrated termination resistors provide impedance matching on both transmit and
receive paths
Automatic receiver termination detection
Low power management scheme (When VDD = 1.8 V, Vos = 1000 mV)
97 mW active power
5 mW in U2/U3 state
1 mW with no connection
18 W in Deep power saving state
Support hot plug with automatic receiver detect
Power supply: 1.8 V 5 %
ESD 8 kV HBM, 1 kV CDM for data path
Operating temperature range: 40 C to +85 C
PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
Package offered: X2QFN12 package 1.6 mm 1.6 mm 0.35 mm, 0.4 mm pitch
3. Applications
Smart phones, tablets
Active cables
Notebook/netbook/nettop platforms
Docking stations
Desktop and AIO platforms
Server and storage platforms
USB 3.0 peripherals such as consumer/storage devices, printers, or USB 3.0 capable
hubs/repeaters
4. System context diagrams
The system context diagrams in Figure 1 illustrate PTN36221A usage.
Rx
TXP
PTN36221A
RXN
TXN
TXP
RXP
PTN36221A
TXN
RXN
RXP
TXP
NOTEBOOK/
DESKTOP
USB sync
cable plug
CONNECTOR
Tx
USB cable/
dongle
CONNECTOR
RXP
APPLICATION
PROCESSOR/
USB HOST
CONTROLLER
CONNECTOR
MOBILE DEVICE
USB
PERIPHERAL/
AV DISPLAY
WITH HUB
APPLICATION
PROCESSOR/
USB HOST
CONTROLLER
Tx
Rx
PTN36221A
RXN
TXN
TXP
RXP
PTN36221A
TXN
RXN
CONNECTOR
MOBILE HOST
002aah762
Fig 1.
PTN36221A context diagrams
PTN36221A
Product data sheet
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Rev. 2.1 — 25 August 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
2 of 24
PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
5. Ordering information
Table 1.
Ordering information
Type number
Topside
mark
Package
Name
Description
Version
PTN36221AHX
1A*[1]
X2QFN12
plastic, super thin quad flat package; no leads;
12 terminals; body 1.6 1.6 0.35 mm[2]
SOT1355-1
[1]
Where * = week of the month.
[2]
Maximum package height = 0.4 mm.
5.1 Ordering options
Table 2.
Ordering options
Type number
Orderable
part number
Package
Packing method
Minimum
order
quantity
Temperature
PTN36221AHX
PTN36221AHXHP
X2QFN12
Reel 13” Q2/T3
*Standard mark SMD
10000
Tamb = 40 C to +85 C
PTN36221AHXZ
X2QFN12
Reel 7” Q2/T3
*Standard mark
5000
Tamb = 40 C to +85 C
6. Block diagram
VSS
VDD
VDD
PTN36221A
VDD
line
driver
equalizer
RXP
RXN
TXP
TXN
EMPHASIS
FILTER
SIGNAL
DETECTION
DEVICE CONTROL AND MANAGEMENT
RX
TERMINATION
DETECTION
002aah759
EN
Fig 2.
PTN36221A
Product data sheet
EQ
OS
DE
Block diagram of PTN36221A
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Rev. 2.1 — 25 August 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
7. Pinning information
8
DE
VSS
OS
NCT2
5
6
EQ
8
DE
10
9
EN
12
TXN
NCT1
6
OS
Transparent top view
11
5
1
NCT2
VDD
4
EQ
RXP
7
3
7
PTN36221AHX
2
RXN
RXP
2
PTN36221AHX
VSS
4
RXN
3
EN
NCT1
10
9
TXP
1
TXP
VDD
11
12
TXN
7.1 Pinning
Bottom view
002aah760
Refer to Section 12 for package-related information.
Fig 3.
Pin configuration for X2QFN12
7.2 Pin description
Table 3.
Pin description
Symbol
Pin
Type
Description
High-speed differential signals
RXP
4
self-biasing
differential
input
Differential signal from SuperSpeed USB 3.0 transmitter.
RXP makes a differential pair with RXN. The input to this pin
must be AC-coupled externally.
RXN
3
self-biasing
differential
input
Differential signal from SuperSpeed USB 3.0 transmitter.
RXN makes a differential pair with RXP. The input to this pin
must be AC-coupled externally.
TXP
11
self-biasing
differential
output
Differential signal to SuperSpeed USB 3.0 receiver.
TXP makes a differential pair with TXN. The output of this pin
must be AC-coupled externally.
TXN
12
self-biasing
differential
output
Differential signal to SuperSpeed USB 3.0 receiver.
TXN makes a differential pair with TXP. The output of this pin
must be AC-coupled externally.
Control and configuration signals
PTN36221A
Product data sheet
NCT1
10
CMOS input
Test pin 1. Leave open or connect to ground for functional
mode.
NCT2
5
analog input
Test pin 2. Leave open or connect to ground for functional
mode.
EN
9
CMOS input
Chip enable input (active HIGH); internal 260 k pull-up
resistor.
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Rev. 2.1 — 25 August 2015
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
Table 3.
Pin description …continued
Symbol
Pin
Type
Description
DE
8
Trinary input
Programmable output de-emphasis level setting for the output
channel.
[DE] =
LOW: 0 dB
open: 3.5 dB (default)
HIGH: 6 dB
EQ
7
Trinary input
Equalizer control for the input channel.
[EQ] =
LOW: 3 dB
open: 6 dB (default)
HIGH: 9 dB
OS
6
Trinary input
Differential output swing control.
[OS] =
LOW: 900 mV
open: 1000 mV (default)
HIGH: 1100 mV
Supply voltage
VDD
1
Power
1.8 V supply.
Ground connection
VSS
2
Ground
Ground supply (0 V).
8. Functional description
Refer to Figure 2 “Block diagram of PTN36221A”.
PTN36221A is a single-channel SuperSpeed USB 3.0 redriver meant to be used for signal
integrity enhancement on various platforms — smart phone, tablet, active cable,
notebooks, docking station, desktop, AIO, peripheral devices, etc. With its high fidelity
differential signal conditioning capability and wide configurability, this chip is flexible
enough for use under a variety of system environments.
The following sections describe the individual block functions and capabilities of the
device in more detail.
8.1 Receive equalization
On the high-speed signal path, the device performs receive equalization providing
frequency selective gain to configuration pin EQ setting. Table 4 lists the configuration
options available in this device.
Table 4.
PTN36221A
Product data sheet
EQ configuration options
EQ
SuperSpeed USB 3.0 signal equalization gain at 2.5 GHz
LOW (0 V)
3 dB
Open
6 dB (default)
HIGH (1.8 V)
9 dB
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Rev. 2.1 — 25 August 2015
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
8.2 Transmit de-emphasis
The PTN36221A device enhances High Frequency (HF) signal content further by
performing de-emphasis on the high-speed signals. In addition, the device provides flat
frequency gain by boosting output signal. Both flat and frequency selective gains prepare
the system to cover up for losses further down the link. Table 5 lists de-emphasis
configuration options of PTN36221A.
Table 5.
DE configuration options
DE
SuperSpeed USB 3.0 signal de-emphasis gain
LOW (0 V)
0 dB
Open
3.5 dB (default)
HIGH (1.8 V0
6 dB
Figure 4 illustrates de-emphasis as a function of time.
1 bit
1 to N bits
1 bit
1 to N bits
VTX_DIFF_DEp-p
VTX_CM_DC
VTX_DIFFp-p
002aag010
Fig 4.
Differential output with de-emphasis
8.3 Device states and power management
PTN36221A has implemented an advanced power management scheme that operates in
tune with USB 3.0 bus electrical condition. Though the device does not decode USB
power management commands (related to USB 3.0 U1/U2/U3 transitions) exchanged
between USB 3.0 host and peripheral/device, it relies on bus electrical conditions to
decide to be in one of the following states:
• Active state wherein device is fully operational, USB data is transported. In this state,
USB connection exists, but there is no need for Receive Termination detection.
• Power-saving states:
– U2/U3 state
– No connection state
• Deep power-saving state: When EN is LOW, this chip is in shut-down state.
The Receive Termination Detection circuitry is implemented as part of a transmitter and
detect whether a load device with equivalent DC impedance ZRX_DC is present.
PTN36221A
Product data sheet
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Rev. 2.1 — 25 August 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
9. Limiting values
Table 6.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Min
Max
Unit
supply voltage
[1]
0.3
+2.5
V
VI
input voltage
[1]
0.3
VDD + 0.5
V
Tstg
storage temperature
65
+150
C
HBM for high-speed pins
[2]
-
8000
V
HBM for control pins
[2]
-
4000
V
CDM for high-speed pins
[3]
-
1000
V
CDM for control pins
[3]
-
500
V
VDD
VESD
Parameter
Conditions
electrostatic discharge voltage
[1]
All voltage values (except differential voltages) are with respect to network ground terminal.
[2]
Human Body Model: ANSI/ESDA/JEDEC JDS-001-2012 (Revision of ANSI/ESDA/JEDEC JS-001-2011), ESDA/JEDEC Joint standard
for ESD sensitivity testing, Human Body Model - Component level; Electrostatic Discharge Association, Rome, NY, USA; JEDEC Solid
State Technology Association, Arlington, VA, USA.
[3]
Charged Device Model; JESD22-C101E December 2009 (Revision of JESD220C101D, October 2008), standard for ESD sensitivity
testing, Charged Device Model - Component level; JEDEC Solid State Technology Association, Arlington, VA, USA.
10. Recommended operating conditions
Table 7.
Operating conditions
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDD
supply voltage
1.8 V supply option
1.71
1.8
1.89
V
VI
input voltage
control and configuration pins
(for example, EQ, DE, OS and EN)
0.3
VDD
VDD + 0.3
V
Tamb
ambient temperature
operating in free air
40
-
+85
C
PTN36221A
Product data sheet
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Rev. 2.1 — 25 August 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
11. Characteristics
11.1 Device characteristics
Table 8.
Device characteristics
VDD = 1.8 V 5 %; Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
tstartup
start-up time
between supply voltage within operating range to
specified operating characteristics (90 % of VDD)
until first automatic receiver termination detection
-
-
6
ms
ts(HL)
HIGH to LOW
settling time
enable to disable; power-down time;
EN HIGH LOW change to deep power-saving
state; device is supplied with valid supply voltage
-
-
1
ms
ts(LH)
LOW to HIGH
settling time
disable to enable; start-up time;
EN LOW HIGH change to specified operating
characteristics; device is supplied with valid supply
voltage
-
-
6
ms
trcfg
reconfiguration time
any configuration pin change (from one setting to
another setting) to specified operating characteristics;
device is supplied with valid supply voltage
-
-
115
ms
tPD(dif)
differential
propagation delay
between 50 % level at input and output; see Figure 5
-
-
0.5
ns
tidle
idle time
default wait time to wait before getting into
Power-saving state
-
300
400
ms
time for exiting from Power-saving state and get into
Active state; see Figure 7
-
0.1
115[1] s
td(pwrsave-act) delay time from
power-save to active
td(act-idle)
delay time from active reaction time for squelch detection circuit and
to idle
transmitter output buffer; see Figure 6
-
9
14
ns
td(idle-act)
delay time from idle
to active
reaction time for squelch detection circuit and
transmitter output buffer; see Figure 6
-
9
14
ns
IDD
supply current
Active state; Tx de-emphasis = 3.5 dB;
Rx equalization gain = 6 dB;
Tx output signal swing (peak-to-peak) = 1000 mV
-
57
-
mA
U2/U3 Power-saving state
-
2.8
mA
no USB connection state
-
0.4
mA
Deep power-saving state; EN = LOW
-
10
A
JEDEC still air test environment
-
138.5 -
C/W
Rth(j-a)
[1]
thermal resistance
from junction to
ambient
When special U2/U3 Power-saving mode is ON.
PTN36221A
Product data sheet
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Rev. 2.1 — 25 August 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
IN+
in
VHSSQ
VDC_CM
IN−
tPD(dif)
tPD(dif)
td(idle-act)
td(act-idle)
OUT+
out
VDC_CM
OUT−
002aag025
Fig 5.
Propagation delay
Fig 6.
aaa-011397
Electrical idle transitions in U0/U1 modes
Ux exit LFPS signaling
input
VHSSQ
td(pwrsave-act)
output
aaa-011398
Fig 7.
Power-save exit time
11.2 Receiver AC/DC characteristics
Table 9.
Receiver AC/DC characteristics
VDD = 1.8 V 5 %; Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
ZRX_DC
receiver DC common-mode impedance
Conditions
Min
Typ
Max
Unit
18
-
30
ZRX_DIFF_DC
DC differential impedance
RX pair
72
-
120
ZIH
HIGH-level input impedance
DC input; common-mode
25
-
-
k
VRX_DIFFp-p
differential input peak-to-peak voltage
receiver
VRX_DC_CM
RX DC common mode voltage
VRX_CM_AC_P
RX AC common-mode voltage
Vth(i)
VHSSQ
100
-
1200
mV
-
1.8
-
V
peak
-
-
150
mV
input threshold voltage
differential peak-to-peak
value
100
-
-
mV
high-speed squelch detection threshold
voltage (differential signal amplitude)
differential peak-to-peak
value
-
100
-
mV
PTN36221A
Product data sheet
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Rev. 2.1 — 25 August 2015
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
11.3 Transmitter AC/DC characteristics
Table 10. Transmitter AC/DC characteristics
VDD = 1.8 V 5 %; Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
ZTX_DC
transmitter DC common-mode
impedance
ZTX_DIFF_DC
DC differential impedance
TX pair
VTX_DIFFp-p
differential peak-to-peak
output voltage
RL = 100
OS = open
Min
Typ
Max
Unit
18
-
30
72
-
120
900
1000
1100
mV
OS = HIGH
1000
1100
1200
mV
OS = LOW
800
900
1000
mV
-
1.3
VDD
V
VTX_DC_CM
transmitter DC common-mode
voltage
VTX_CM_ACpp_ACTIV
TX AC common-mode
peak-to-peak output voltage
(active state)
device input fed with
differential signal
-
-
100
mV
VTX_IDL_DIFF_ACpp
electrical idle differential
peak-to-peak output voltage
when link is in electrical idle
-
-
10
mV
VTX_RCV_DETECT
voltage change allowed during
receiver detection
positive voltage swing to
sense the receiver
termination detection
-
-
600
mV
tr(tx)
transmit rise time
measured using 20 % and
80 % levels; see Figure 8
40
55
75
ps
tf(tx)
transmit fall time
measured using 80 % and
20 % levels; see Figure 8
40
55
75
ps
t(r-f)tx
difference between transmit
rise and fall time
measured using 20 % and
80 % levels
-
-
15
ps
80 %
20 %
tr(tx)
tf(tx)
002aag027
Fig 8.
PTN36221A
Product data sheet
Output rise and fall times
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
11.4 Jitter performance
Table 11 provides jitter performance of PTN36221A under a specific set of conditions that
is illustrated by Figure 9.
Table 11. Jitter performance characteristics
Unit Interval (UI) = 200 ps.
Symbol
Parameter
Conditions
tjit(o)(p-p)
peak-to-peak output jitter time
total jitter at test point C
tjit(dtrm)(p-p)
peak-to-peak deterministic jitter time
tjit(rndm)(p-p)
peak-to-peak random jitter time
Min
Typ
Max
Unit
[1]
-
0.19
-
UI
[1]
-
0.11
-
UI
[1][2]
-
0.08
-
UI
[1]
Measured at test point C with K28.5 pattern, VID = 1000 mV (peak-to-peak), 5 Gbit/s; 3.5 dB de-emphasis from source.
[2]
Random jitter calculated as 14.069 times the RMS random jitter for 1012 bit error rate.
less than 76.2 cm (30-inch) FR4 trace
AWG
SIGNAL
SOURCE
test point A
test point C
test point B
PTN36221A
SMA
connector
SMA
connector
002aah761
Source jitter measurements:
total peak-to-peak jitter = 21 ps
peak-to-peak deterministic jitter = 8 ps
random jitter = 0.95 ps (RMS value)
Fig 9.
Jitter measurement setup
11.5 Control inputs
Table 12. Control input characteristics for EN pin
VDD = 1.8 V 5 %; Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
VIH
Min
Typ
Max
Unit
HIGH-level input voltage
0.65 VDD
-
-
V
VIL
LOW-level input voltage
-
-
0.35 VDD
V
ILI
input leakage current
-
7
20
A
Rpu(int)
internal pull-up resistance
-
230
-
k
PTN36221A
Product data sheet
Conditions
measured with input at VIH(max)
and VIL(min)
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Rev. 2.1 — 25 August 2015
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
Table 13. Trinary control input characteristics for DE, EQ, and OS pins
VDD = 1.8 V 5 %; Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VIH
HIGH-level input voltage
0.75 VDD
VDD
VDD + 0.3
V
VIL
LOW-level input voltage
0.3
0
0.25 VDD
V
IIH
HIGH-level input current
-
-
45
A
IIL
LOW-level input current
45
-
-
A
Zext(open)
external impedance
for detection of open condition
250
-
-
k
IL
leakage current
of external GPIO; for detection
of open condition
6
-
+6
A
CL
load capacitance
for reliable detection of open
condition
-
-
35
pF
ILI
input leakage current
EN = LOW; measured with
input at VIH(max) and VIL(min)
-
-
1
A
Rpu(int)
internal pull-up resistance
for detection of trinary setting
-
50
-
k
Rpd(int)
internal pull-down resistance
for detection of trinary setting
-
50
-
k
PTN36221A
Product data sheet
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Rev. 2.1 — 25 August 2015
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PTN36221A
NXP Semiconductors
Single-channel SuperSpeed USB 3.0 redriver
12. Package outline
X2QFN12: plastic, super thin quad flat package; no leads; 12 terminals; body 1.6 x 1.6 x 0.35 mm
D
B
SOT1355-1
A
terminal 1
index area
A
A1
E
c
detail X
e1
1/2 e
e
C
b
3
C A B
C
v
w
6
y1 C
y
L
1/2 e
2
7
1
8
e2
terminal 1
index area
12
e
X
9
L1
0
2 mm
scale
Dimensions (mm are the original dimensions)
Unit
mm
A
A1
b
c
D
E
e
max 0.40 0.05 0.25
1.65 1.65
nom 0.35
0.20 0.127 1.60 1.60
min 0.30 0.00 0.15
1.55 1.55
e1
0.4
1.2
e2
L
L1
0.4
0.4
0.3
0.2
0.6
0.5
0.4
v
w
y
y1
0.07 0.05 0.05 0.05
Note
1. Plastic or metal protrusions of 0.075 mm maximum per side are not included.
References
Outline
version
IEC
JEDEC
JEITA
SOT1355-1
---
MO-255
---
sot1355-1_po
European
projection
Issue date
13-12-23
14-01-13
Fig 10. Package outline SOT1355-1 (X2QFN12)
PTN36221A
Product data sheet
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Rev. 2.1 — 25 August 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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