NXS0506UP [NEXPERIA]

SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and ESD protectionProduction;
NXS0506UP
型号: NXS0506UP
厂家: Nexperia    Nexperia
描述:

SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and ESD protectionProduction

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NXS0506  
SD 3.0-compatible memory card integrated auto-direction  
control and level translator with EMI filter and ESD protection  
Rev. 2 — 8 March 2022  
Product data sheet  
1. General description  
The NXS0506 is an SD 3.0-compatible bidirectional dual supply level translator with auto-direction  
control. It is designed to interface between a memory card operating at 1.7 V to 3.6 V signal levels  
and a host with a nominal supply voltage of 1.1 V to 1.95 V. The device supports SD 3.0: SDR104,  
SDR50, DDR50, SDR25, SDR12 and SD 2.0 High-Speed (50 MHz) and Default-Speed (25 MHz)  
modes. The device has a built-in EMI filter and robust ESD protection (IEC 61000-4-2, level 4).  
2. Features and benefits  
Supports up to 208 MHz clock rate  
SD 3.0 specification-compatible voltage translation to support: SDR104, SDR50, DDR50,  
SDR25, SDR12, High-Speed and Default-Speed modes  
1.1 V to 1.95 V host side interface voltage support  
Auto-direction sensing  
Low power consumption  
Integrated pull-up resistors: no external resistors required  
Integrated EMI filters suppress higher harmonics of digital I/Os  
Level shifting buffers keep ESD stress away from the host (zero-clamping concept)  
16-bumps WLCSP package; pitch 0.35 mm  
ESD protection:  
HBM ANSI/ESDA/JEDEC JS-001 Class 2 exceeds 2 kV  
CDM ANSI/ESDA/JEDEC JS-002 Class C3 exceeds 1 kV  
IEC61000-4-2, level 4, contact discharge on all memory card-side pins exceeds 8 kV  
IEC61000-4-2, level 4, air discharge on all memory card-side pins exceeds 15 kV  
Specified from -40 °C to +85 °C  
3. Applications  
Smartphone  
Mobile handsets  
Digital cameras  
Tablet PCs  
Laptop computers  
SD, MMC or microSD card readers  
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
4. Ordering information  
Table 1. Ordering information  
Type number  
Package  
Temperature range Name  
Description  
Version  
NXS0506UP  
-40 °C to +85 °C  
WLCSP16 wafer level chip-scale package; 16 bumps;  
1.455 mm x 1.455 mm x 0.43 mm body  
SOT8025-1  
5. Marking  
Table 2. Marking codes  
Type number  
Marking code  
NXS0506UP  
m5  
6. Block diagram  
NXS0506  
V
V
CCA  
CCB  
CONTROL LOGIC  
CLKA  
CLKFB  
CMDA  
CLKB  
CMDB  
DAT0B  
DAT1B  
DAT2B  
DAT3B  
8 kV ESD  
PROTECTION  
DAT0A  
DAT1A  
DAT2A  
DAT3A  
HOST/  
BASE  
BAND  
EMI  
2 kV ESD  
PROTECTION  
MEMORY  
CARD  
EMI FILTER  
RESISTOR  
NETWORK  
aaa-034247  
Fig. 1. Block diagram  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
2 / 17  
 
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
7. Functional diagram  
R1  
R1  
R2  
CLKA  
CLKB  
CLKFB  
V
CCB  
R
pu  
R2  
CMDB  
V
CCA  
R
pu  
R1  
CMDA  
V
CCB  
R
pu  
R2  
DATnB  
V
CCA  
R
pu  
R1  
DATnA  
V
V
CCB  
CCA  
aaa-034248  
Only one data input/output channel (DATnA/DATnB) shown.  
Fig. 2. Functional diagram  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
3 / 17  
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
8. Pinning information  
8.1. Pinning  
NXS0506  
bump A1  
index area  
NXS0506  
1
2
3
4
1
2
3
4
A
B
C
D
DAT2A  
V
V
DAT2B  
CCA  
CCB  
A
B
C
D
DAT3A CMDA CMDB DAT3B  
DAT0A CLKFB GND DAT0B  
DAT1A CLKA CLKB DAT1B  
aaa-034250  
Transparent top view  
aaa-034249  
Transparent top view  
Bump CLKFB (C2) can be left floating.  
Fig. 3. Bump configuration SOT8025-1 (WLCSP16)  
Fig. 4. Bump mapping SOT8025-1 (WLCSP16)  
8.2. Pin description  
Table 3. Pin description  
Symbol[1]  
DAT2A  
DAT3A  
DAT0A  
DAT1A  
VCCA  
Bump  
A1  
B1  
C1  
D1  
A2  
B2  
C2  
D2  
A3  
B3  
C3  
D3  
A4  
B4  
C4  
D4  
Description  
data 2 input or output on host side  
data 3 input or output on host side  
data 0 input or output on host side  
data 1 input or output on host side  
supply voltage A (host side)  
CMDA  
CLKFB  
CLKA  
command input or output on host side  
clock feedback signal on host side, this pin can be left floating  
clock signal input on host side  
VCCB  
supply voltage B (memory card side)  
command input or output on memory card side  
supply ground  
CMDB  
GND  
CLKB  
clock signal input on memory card side  
data 2 input or output on memory card side  
data 3 input or output on memory card side  
data 0 input or output on memory card side  
data 1 input or output on memory card side  
DAT2B  
DAT3B  
DAT0B  
DAT1B  
[1] The pin names relate particularly to SD memory cards, but also apply to microSD and MMC memory cards.  
See Section 9.6 for options to swap identical channels.  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
4 / 17  
 
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
9. Functional description  
9.1. Level translator  
The bidirectional level translator shifts the data between the I/O supply levels of the host and  
the memory card. Auto direction sensing circuitry determines if a command and data signals are  
transferred from the memory card to the host (card read mode) or from the host to the memory  
card (card write mode). The voltage translator has to support several clock and data transfer rates  
at the signaling levels specified in the SD 3.0 standard specification.  
Table 4. Supported modes  
Bus speed mode  
Default-Speed  
High-Speed  
SDR12  
Signal level (V)  
Clock rate (MHz)  
Data rate (MB/s)  
3.3  
3.3  
1.8  
1.8  
1.8  
1.8  
1.8  
25  
12.5  
25  
50  
25  
12.5  
25  
SDR25  
50  
SDR50  
100  
208  
50  
50  
SDR104  
104  
50  
DDR50  
9.2. Enable and direction control  
The device contains an auto-enable feature. If VCCB rises above 1.5 V, the level translator logic  
is enabled automatically. As soon as VCCB drops below 0.65 V, the memory card side drivers and  
the level translator logic are disabled. All pins on the host side, excluding CLKA are configured as  
inputs with a 70 kΩ resistor pulled up to VCCA  
.
The device features an auto correction control for all data channels except CLK. For these pins the  
direction of data flow is sensed by the direction control logic and the output drivers are controlled  
accordingly. There is no need for the host interface to indicate the direction of data flow.  
9.3. Feedback clock channel  
The clock is transmitted from the host to the memory card side. The voltage translator and the  
Printed-Circuit Board (PCB) tracks introduce some amount of delay. It reduces timing margin for  
data read back from memory card, especially at higher data rates. Therefore, a feedback path is  
provided to compensate the delay. The reasoning behind this approach is the fact that the clock is  
always delivered by the host, while the data in the timing critical read mode comes from the card.  
9.4. EMI filter  
All input/output driver stages are equipped with EMI filters to reduce interference towards sensitive  
mobile communication.  
9.5. ESD protection  
The device has robust ESD protections on all memory card pins. The architecture prevents any  
stress for the host: the voltage translator discharges any stress to supply ground.  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
5 / 17  
 
 
 
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
9.6. Pin and channel naming  
The channel naming as shown in Fig. 2 and in the Pinning information (Section 8) aims at using  
NXS0506 for SD-card interfaces. The sequence of the channels is chosen to easily connect to  
SD-card connectors. As the internal design of channels DAT0 (pins DAT0A and DAT0B), DAT1  
(pins DAT1A and DAT1B), DAT2 (pins DAT2A and DAT2B), DAT3 (pins DAT3A and DAT3B) and  
CMD (pins CMDA and CMDB) is identical, these channels can be exchanged. Swapping channels  
in the above mentioned group can help ease PCB layout issues. E.g. DAT0 can be swapped with  
DAT1 or DAT3 with CMD without impact on functionality of NXS0506.  
10. Limiting values  
Table 5. Limiting values  
In accordance with the Absolute Maximum Rating System (IEC 60134).  
Symbol Parameter  
Conditions  
Min  
-0.5  
-0.5  
-0.5  
-
Max Unit  
VCC  
supply voltage  
4 ms transient; on pin VCCA  
4 ms transient; on pin VCCB  
4 ms transient at I/O pins  
Tamb = -40 °C to 85 °C  
4.6  
4.6  
4.6  
V
V
V
VI  
input voltage  
Ptot  
Tstg  
Ilu(IO)  
total power dissipation  
storage temperature  
input/output latch-up current  
250 mW  
150 °C  
100 mA  
-55  
-100  
JESD78B: -0.5 x VCC < VI < 1.5 x VCC; Tj < 125 °C  
11. Recommended operating conditions  
Table 6. Operating conditions  
Symbol Parameter  
Conditions  
on pin VCCA  
on pin VCCB  
host side  
Min  
1.1  
Typ  
Max  
Unit  
VCC  
supply voltage  
[1]  
[1]  
-
1.95  
3.6  
V
1.7  
-
V
VI  
input voltage  
-0.3  
-0.3  
-40  
-
-
VCCA + 0.3  
VCCB + 0.3  
+85  
V
memory card side  
[2]  
V
Tamb  
ambient temperature  
+25  
°C  
[1] VCCB ≥ VCCA  
[2] The voltage must not exceed 3.6 V.  
Table 7. Integrated resistors  
Symbol Parameter  
Conditions  
Tamb = -40 °C to 85 °C  
Unit  
Min  
Typ[1]  
70  
Max  
Rpu  
Rs  
pull-up resistance  
series resistance  
42  
-
100  
kΩ  
host side; R1  
card side; R2  
[2]  
[2]  
22.5  
15  
-
-
-
[1] Typical values are measured at Tamb = 25 °C.  
[2] Guaranteed by design and characterization  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
6 / 17  
 
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
12. Static characteristics  
Table 8. Static characteristics  
At recommended operating conditions; voltages are referenced to GND (ground = 0 V); unless otherwise specified.  
Symbol Parameter  
Conditions  
Tamb = -40 °C to 85 °C  
Unit  
Min  
Typ[1]  
Max  
Automatic enable feature: VCCB  
Ven  
device enable VCCA ≥ 1.0 V; VCCB rising edge  
voltage level  
0.9  
1.2  
1.0  
1.5  
1.3  
V
V
Vdis  
device disable VCCA ≥ 1.0 V; VCCB falling edge  
voltage level  
0.65  
Host-side input signals: CMDA, DAT0A to DAT3A and CLKA  
VIH  
VIL  
II  
HIGH-level  
input voltage  
1.1 V ≤ VCCA ≤ 1.95 V  
0.65VCCA  
-
-
-
VCCA + 0.3  
0.35VCCA  
1
V
LOW-level  
input voltage  
1.1 V ≤ VCCA ≤ 1.95 V  
-0.3  
-
V
input leakage CLKA; VCCA = 1.8 V; VI = 0 V to 1.95 V  
current  
µA  
Host-side output signals: CMDA and DAT0A to DAT3A  
VOH  
HIGH-level  
output voltage 1.1 V ≤ VCCA ≤ 1.95 V  
IO = -2 µA; VI = VIH (card side)  
0.8VCCA  
-0.3  
-
-
VCCA + 0.3  
0.15VCCA  
V
V
VOL  
LOW-level  
IO = 2 mA; VI = VIL (card side)  
output voltage 1.1 V ≤ VCCA ≤ 1.95 V  
Host-side output signals: CLKFB  
VOH  
HIGH-level  
output voltage 1.1 V ≤ VCCA ≤ 1.95 V  
IO = -2 mA; VI = VIH (host side)  
0.8VCCA  
-0.3  
-
-
VCCA + 0.3  
0.15VCCA  
V
V
VOL  
LOW-level  
IO = 2 mA; VI = VIL (host side)  
output voltage 1.1 V ≤ VCCA ≤ 1.95 V  
Card-side input signals: CMDB and DAT0B to DAT3B  
VIH  
HIGH-level  
1.7 V ≤ VCCB ≤ 3.6 V  
0.625VCCB  
-
VCCB + 0.3  
V
input voltage  
VIL  
LOW-level  
input voltage  
1.7 V ≤ VCCB ≤ 1.95 V  
2.7 V ≤ VCCB ≤ 3.6 V  
-0.3  
-0.3  
-
-
0.35VCCB  
0.30VCCB  
V
V
Card-side output signal: CMDB, DAT0B to DAT3B and CLKB  
VOH HIGH-level CLKB; VCCB = 1.7 V; IO = -2 mA;  
output voltage VI = VIH (host side)  
CLKB; VCCB = 2.7 V; IO = -4 mA;  
0.85VCCB  
0.85VCCB  
0.85VCCB  
-0.3  
-
-
-
-
-
2.0  
V
V
V
V
V
VCCB + 0.3  
2.0  
VI = VIH (host side)  
CMDB, DATnB; VCCB = 1.7 V;  
IO = -2 µA; VI = VIH (host side)  
VOL  
Low-level  
IO = 2 mA; VI = VIL (host side);  
0.125VCCB  
0.125VCCB  
output voltage VCCB = 1.7 V  
IO = 4 mA; VI = VIL (host side);  
VCCB = 2.7 V  
-0.3  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
7 / 17  
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
Symbol Parameter  
Conditions  
Tamb = -40 °C to 85 °C  
Unit  
Min  
Typ[1]  
Max  
Current consumption  
ICC  
supply current host side; all inputs = HIGH  
VI = VCCA; VCCA = 1.95 V; VCCB = 3.6 V  
-
-
-
-
-
-
4
7
µA  
µA  
µA  
card side; all inputs = HIGH  
VI = VCCA; VCCA = 1.7 V; VCCB = 1.7 V  
card side; all inputs = HIGH  
20  
VI = VCCA; VCCA = 1.95 V; VCCB = 3.6 V  
[1] Typical values are measured at Tamb = 25 °C.  
13. Dynamic characteristics  
13.1. Level translator  
Table 9. Level translator dynamic characteristics  
At recommended operating conditions; For waveform and test circuit see Fig. 5 and Fig. 6.  
Symbol Parameter Conditions  
Tamb = -40 °C to 85 °C Unit  
Min  
Typ[1] Max  
Host-side output transition times  
tt  
transition time  
VCCA = 1.2 V to VCCA = 1.8 V  
output transition time between VX = 0.35VCCA and  
VY = 0.65VCCA.  
[2]  
-
0.3  
0.4  
1.0 ns  
Host-side input rise and fall times  
tr, tf rise and fall time VCCA = 1.2 V to 1.8 V;  
-
1.0 ns  
1.32 ns  
input rise and fall time between VX = 0.35VCCA and  
VY = 0.65VCCA.  
Card-side output transition times  
tt  
transition time  
VCCB = 1.8 V;  
[2] 0.4  
0.88  
output transition time between VX = 0.45 V and  
VY = 1.4 V  
Card-side input rise and fall times  
tr  
tf  
rise time  
fall time  
VCCB = 1.8 V; input rise time between 0.58 V and 1.27 V  
VCCB = 1.8 V; input fall time between 0.58 V and 1.27 V  
0.2  
0.2  
0.5  
0.96 ns  
0.96 ns  
0.45  
Host-side to card-side propagation delay; DATnA to DATnB, CMDA to CMDB and CLKA to CLKB  
tpd  
propagation  
delay  
VCCA = 1.2 V; VCCB = 1.8 V  
VCCA = 1.2 V; VCCB = 3.3 V  
VCCA = 1.8 V; VCCB = 1.8 V  
VCCA = 1.8 V; VCCB = 3.3 V  
[3]  
[3]  
[3]  
[3]  
-
-
-
-
3.1  
2.2  
2.7  
1.7  
5.4 ns  
4.0 ns  
4.8 ns  
3.1 ns  
Card-side to host-side propagation delay; DATnB to DATnA and CMDB to CMDA  
tpd  
propagation  
delay  
VCCA = 1.2 V; VCCB = 1.8 V  
VCCA = 1.2 V; VCCB = 3.3 V  
VCCA = 1.8 V; VCCB = 1.8 V  
VCCA = 1.8 V; VCCB = 3.3 V  
[3]  
[3]  
[3]  
[3]  
-
-
-
-
2.7  
1.7  
2.7  
1.6  
4.6 ns  
3.0 ns  
4.6 ns  
2.7 ns  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
8 / 17  
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
Symbol Parameter  
Conditions  
Tamb = -40 °C to 85 °C Unit  
Min  
Typ[1] Max  
Host-side to host-side propagation delay; CLKA to CLKFB  
tpd  
propagation  
delay  
VCCA = 1.2 V; VCCB = 1.8 V  
VCCA = 1.2 V; VCCB = 3.3 V  
VCCA = 1.8 V; VCCB = 1.8 V  
VCCA = 1.8 V; VCCB = 3.3 V  
[3]  
[3]  
[3]  
[3]  
-
-
-
-
5.8  
3.9  
5.4  
3.3  
10  
ns  
7.0 ns  
9.4 ns  
5.8 ns  
Bus signal equivalent capacitance  
CI/O  
input/output  
capacitance  
VI = 0 V; fi = 1 MHz; VCCA = 1.8 V; host side  
VI = 0 V; fi = 1 MHz; VCCB = 1.8 V; card side  
[4]  
[4]  
-
-
5
-
-
pF  
pF  
12  
[1] Typical values are measured at Tamb = 25 °C.  
[2] tt is the same as tTHL and tTLH  
[3] tpd is the same as tPLH and tPHL  
[4] EMI filter line capacitance from I/O driver to pin; CI/O is guaranteed by design.  
.
.
V
I
V
Y
input  
GND  
V
M
V
X
t
t
r
f
t
t
PLH  
PHL  
V
OH  
V
Y
V
output  
M
V
X
t
V
OL  
t
THL  
TLH  
aaa-034251  
Measurement points are given in Table 10.  
VOL and VOH are typical voltage output levels that occur with the output load.  
Fig. 5. The input to output propagation delays, input rise and fall times and output transition times  
Table 10. Measurement points  
Supply voltage  
VCCA  
Input  
VI [1]  
VCCI  
Output  
VM [2]  
VCCB  
VM [1]  
1.1 V to 1.95 V  
1.7 V to 3.6 V  
0.5VCCI  
0.5VCCO  
[1] VCCI is the supply voltage associated with the input.  
[2] VCCO is the supply voltage associated with the output.  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
9 / 17  
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
t
W
V
I
65 %  
negative  
pulse  
V
V
M
M
35 %  
0 V  
t
t
r
f
t
t
f
r
V
I
65 %  
positive  
pulse  
V
V
M
M
35 %  
0 V  
t
W
V
V
CCB  
CCA  
V
V
O
I
G
DUT  
C
L
aaa-034252  
Test data is given in Table 11.  
All input pulses are supplied by generators having the following characteristics:  
PRR ≤ 10 MHz; ZO = 50 Ω; input edges (tr, tf) are defined in Section 13.  
CL = Load capacitance including jig and probe capacitance.  
Fig. 6. Test circuit for measuring switching time  
Table 11. Test data  
Supply voltage  
VCCA  
Input  
VI [1]  
VCCI  
Load  
VCCB  
CL (host side)  
10 pF  
CL (card side)  
1.1 V to 1.95 V  
1.7 V to 3.6 V  
15 pF  
[1] VCCI is the supply voltage associated with the input.  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
10 / 17  
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
14. Application information  
V
SUPPLY  
PMU or DC/DC or LDO  
2.8 V 400/800 mA  
V
SUPPLY  
SEL  
PMU or DC/DC or LDO  
1.8 V/2.8 V (selectable)  
NXS0506  
V
CCA  
V
CCB  
CLKA  
CLKFB  
CMDA  
DAT1B  
DAT0B  
GND  
LEVEL  
TRANSLATOR  
LOGIC  
HOST/  
BASEBAND  
INTERFACE  
CLK_SD  
SD-CARD  
DAT0A  
DAT1A  
DAT2A  
DAT3A  
V
SD  
CMDB  
DAT3B  
DAT2B  
V
/V  
CCA CCB  
see data sheet  
for details  
basic push-pull driver  
implementation  
aaa-034253  
Fig. 7. Application diagram  
14.1. PCB design guidelines  
The translator can operate with frequencies up to 208 MHz so the PCB connections between host  
and translator and translator and card can start to act as transmission lines, affecting the signal  
integrity.  
For PCB connections below 8 cm (tr = 0.4 ns) no degradation of the signal integrity is to be  
expected. For longer connections it’s important to take pre-cautions and check the signal integrity  
during the development phase of the PCB. If the CLKFB is used to synchronize the data that is  
read from the card, it is important to place the translator as close as possible to the card connector.  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
11 / 17  
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
15. Design and assembly recommendations  
15.1. PCB design guidelines  
For optimum performance, use a Non-Solder Mask PCB Design (NSMD), also known as a  
copper-definied design, incorporating laser-drilled micro-vias connecting the ground pads to a  
buried ground-plane layer. This results in the lowest possible ground inductance and provides the  
best high frequency and ESD performance. For this case, refer to Table 12 for the recommended  
PCB design parameters.  
Table 12. Recommended PCB design parameters  
Parameter  
Value or specification  
circular  
PCB Cu pad shape  
PCB Cu pad diameter  
PCB solder resist diameter  
WLCSP pad diameter (UBM)  
200 µm  
270 µm  
200 µm  
15.2. PCB assembly guidelines for Pb-free soldering  
Table 13. Assembly recommendations  
Parameter  
Value or specification  
PCB stencil shape  
circular  
PCB stencil aperture diameter  
PCB stencil thickness  
Solder paste material  
Solder reflow profile  
200 µm  
80 µm  
SnAg4Cu (Cu 0.5%) (SAC405)  
see Fig. 8  
T
(°C)  
T
reflow(peak)  
250  
230  
217  
cooling rate  
preheat  
t (s)  
t
t
2
1
t
t
3
4
t
5
001aai943  
The device can withstand at least three reflows with this profile.  
Fig. 8. Pb-free solder reflow profile  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
12 / 17  
 
 
 
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
Table 14. Reflow soldering process characteristics  
Tamb = 25 °C; unless otherwise specified.  
Symbol Parameter  
Conditions  
Min  
230  
Typ Max Unit  
treflow(peak) peak reflow temperature  
-
-
-
-
-
-
-
-
260 °C  
t1  
time 1  
time 2  
time 3  
time 4  
time 5  
soak time  
60  
-
180  
30  
s
s
s
s
s
t2  
time during T ≥ 250 °C  
time during T ≥ 230 °C  
time during T ≥ 217 °C  
t3  
10  
30  
-
50  
t4  
150  
540  
t5  
dT/dt  
rate of temperature change cooling rate  
preheat  
-
-6 °C/s  
4.0 °C/s  
2.5  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
13 / 17  
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
16. Package outline  
WLCSP16: wafer level chip-scale package; 16 bumps; 1.455 mm x 1.455 mm x 0.43 mm body  
SOT8025-1  
s
C
2x  
B
E
A
this surface is  
fully covered by  
`'Backside Coating''  
bump A1  
index area  
A
2
D
A
A
1
detail X  
s
C
2x  
e
e
e
C
y
y
C
1/2 e  
C
1
16x  
D
C
B
A
e
e
e
1/2 e  
bump A1  
index area  
1
2
3
4
M
M
v
C A B  
b
X
w
C
(16x)  
0
1 mm  
scale  
v
Dimensions (mm are the original dimensions)  
Unit  
max 0.468 0.183 0.285 0.245  
A
A
A
b
D
E
e
s
w
y
y
1
1
2
nom  
min  
mm  
0.430 0.163 0.267 0.225 1.455 1.455 0.35 0.025 0.015 0.05 0.05 0.06  
0.392 0.143 0.249 0.205  
Note  
1. Dimension A includes backside coating thickness.  
sot8025-1_po  
References  
Outline  
version  
European  
projection  
Issue date  
IEC  
JEDEC  
JEITA  
21-06-11  
21-06-16  
SOT8025-1  
Fig. 9. Package outline SOT8025-1 (WLCSP16)  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
14 / 17  
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
17. Abbreviations  
Table 15. Abbreviations  
Acronym  
DUT  
Description  
Device Under Test  
EMI  
Electro Magnetic Interface  
ElectroStatic Discharge  
Flame Retard 4  
ESD  
FR4  
LDO  
Low-Dropout  
MMC  
NSMD  
OSP  
MultiMedia Card  
Non-Solder Mask PCB Design  
Organic Solderability Preservation  
Printed-Circuit Board  
Project Management Unit  
Pulse Rate Repetition  
Restriction of Hazardous Substances  
Secure Digital  
PCB  
PMU  
PRR  
RoHS  
SD  
UBM  
WLCSP  
Under Bump Metallization  
Wafer-Level Chip-Scale Package  
18. Revision history  
Table 16. Revision history  
Data sheet ID  
NXS0506 v.2  
Modifications:  
Release date  
20220308  
Data sheet status  
Change notice Supersedes  
Product data sheet  
-
NXS0506 v.1  
Fig. 1 and Fig. 2 have changed (errata).  
NXS0506 v.1  
20220131 Product data sheet  
-
-
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
15 / 17  
 
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
injury, death or severe property or environmental damage. Nexperia and its  
suppliers accept no liability for inclusion and/or use of Nexperia products in  
such equipment or applications and therefore such inclusion and/or use is at  
the customer’s own risk.  
19. Legal information  
Quick reference data — The Quick reference data is an extract of the  
product data given in the Limiting values and Characteristics sections of this  
Data sheet status  
document, and as such is not complete, exhaustive or legally binding.  
Document status Product  
Definition  
Applications — Applications that are described herein for any of these  
products are for illustrative purposes only. Nexperia makes no representation  
or warranty that such applications will be suitable for the specified use  
without further testing or modification.  
[1][2]  
status [3]  
Objective [short]  
data sheet  
Development  
This document contains data from  
the objective specification for  
product development.  
Customers are responsible for the design and operation of their applications  
and products using Nexperia products, and Nexperia accepts no liability for  
any assistance with applications or customer product design. It is customer’s  
sole responsibility to determine whether the Nexperia product is suitable  
and fit for the customer’s applications and products planned, as well as  
for the planned application and use of customer’s third party customer(s).  
Customers should provide appropriate design and operating safeguards to  
minimize the risks associated with their applications and products.  
Preliminary [short]  
data sheet  
Qualification  
Production  
This document contains data from  
the preliminary specification.  
Product [short]  
data sheet  
This document contains the product  
specification.  
[1] Please consult the most recently issued document before initiating or  
completing a design.  
Nexperia does not accept any liability related to any default, damage, costs  
or problem which is based on any weakness or default in the customer’s  
applications or products, or the application or use by customer’s third party  
customer(s). Customer is responsible for doing all necessary testing for the  
customer’s applications and products using Nexperia products in order to  
avoid a default of the applications and the products or of the application or  
use by customer’s third party customer(s). Nexperia does not accept any  
liability in this respect.  
[2] The term 'short data sheet' is explained in section "Definitions".  
[3] The product status of device(s) described in this document may have  
changed since this document was published and may differ in case of  
multiple devices. The latest product status information is available on  
the internet at https://www.nexperia.com.  
Definitions  
Limiting values — Stress above one or more limiting values (as defined in  
the Absolute Maximum Ratings System of IEC 60134) will cause permanent  
damage to the device. Limiting values are stress ratings only and (proper)  
operation of the device at these or any other conditions above those  
given in the Recommended operating conditions section (if present) or the  
Characteristics sections of this document is not warranted. Constant or  
repeated exposure to limiting values will permanently and irreversibly affect  
the quality and reliability of the device.  
Draft — The document is a draft version only. The content is still under  
internal review and subject to formal approval, which may result in  
modifications or additions. Nexperia does not give any representations or  
warranties as to the accuracy or completeness of information included herein  
and shall have no liability for the consequences of use of such information.  
Short data sheet — A short data sheet is an extract from a full data sheet  
with the same product type number(s) and title. A short data sheet is  
intended for quick reference only and should not be relied upon to contain  
detailed and full information. For detailed and full information see the relevant  
full data sheet, which is available on request via the local Nexperia sales  
office. In case of any inconsistency or conflict with the short data sheet, the  
full data sheet shall prevail.  
Terms and conditions of commercial sale — Nexperia products are  
sold subject to the general terms and conditions of commercial sale, as  
published at http://www.nexperia.com/profile/terms, unless otherwise agreed  
in a valid written individual agreement. In case an individual agreement is  
concluded only the terms and conditions of the respective agreement shall  
apply. Nexperia hereby expressly objects to applying the customer’s general  
terms and conditions with regard to the purchase of Nexperia products by  
customer.  
Product specification — The information and data provided in a Product  
data sheet shall define the specification of the product as agreed between  
Nexperia and its customer, unless Nexperia and customer have explicitly  
agreed otherwise in writing. In no event however, shall an agreement be  
valid in which the Nexperia product is deemed to offer functions and qualities  
beyond those described in the Product data sheet.  
No offer to sell or license — Nothing in this document may be interpreted  
or construed as an offer to sell products that is open for acceptance or the  
grant, conveyance or implication of any license under any copyrights, patents  
or other industrial or intellectual property rights.  
Export control — This document as well as the item(s) described herein  
may be subject to export control regulations. Export might require a prior  
authorization from competent authorities.  
Disclaimers  
Limited warranty and liability — Information in this document is believed  
to be accurate and reliable. However, Nexperia does not give any  
representations or warranties, expressed or implied, as to the accuracy  
or completeness of such information and shall have no liability for the  
consequences of use of such information. Nexperia takes no responsibility  
for the content in this document if provided by an information source outside  
of Nexperia.  
Non-automotive qualified products — Unless this data sheet expressly  
states that this specific Nexperia product is automotive qualified, the  
product is not suitable for automotive use. It is neither qualified nor tested in  
accordance with automotive testing or application requirements. Nexperia  
accepts no liability for inclusion and/or use of non-automotive qualified  
products in automotive equipment or applications.  
In no event shall Nexperia be liable for any indirect, incidental, punitive,  
special or consequential damages (including - without limitation - lost  
profits, lost savings, business interruption, costs related to the removal  
or replacement of any products or rework charges) whether or not such  
damages are based on tort (including negligence), warranty, breach of  
contract or any other legal theory.  
In the event that customer uses the product for design-in and use in  
automotive applications to automotive specifications and standards,  
customer (a) shall use the product without Nexperia’s warranty of the  
product for such automotive applications, use and specifications, and (b)  
whenever customer uses the product for automotive applications beyond  
Nexperia’s specifications such use shall be solely at customer’s own risk,  
and (c) customer fully indemnifies Nexperia for any liability, damages or failed  
product claims resulting from customer design and use of the product for  
automotive applications beyond Nexperia’s standard warranty and Nexperia’s  
product specifications.  
Notwithstanding any damages that customer might incur for any reason  
whatsoever, Nexperia’s aggregate and cumulative liability towards customer  
for the products described herein shall be limited in accordance with the  
Terms and conditions of commercial sale of Nexperia.  
Translations — A non-English (translated) version of a document is for  
reference only. The English version shall prevail in case of any discrepancy  
between the translated and English versions.  
Right to make changes — Nexperia reserves the right to make changes  
to information published in this document, including without limitation  
specifications and product descriptions, at any time and without notice. This  
document supersedes and replaces all information supplied prior to the  
publication hereof.  
Trademarks  
Suitability for use — Nexperia products are not designed, authorized or  
warranted to be suitable for use in life support, life-critical or safety-critical  
systems or equipment, nor in applications where failure or malfunction  
of an Nexperia product can reasonably be expected to result in personal  
Notice: All referenced brands, product names, service names and  
trademarks are the property of their respective owners.  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
16 / 17  
 
Nexperia  
NXS0506  
SD 3.0-compatible memory card integrated auto-direction control and level translator with EMI filter and  
ESD protection  
Contents  
1. General description......................................................1  
2. Features and benefits.................................................. 1  
3. Applications.................................................................. 1  
4. Ordering information....................................................2  
5. Marking..........................................................................2  
6. Block diagram...............................................................2  
7. Functional diagram.......................................................3  
8. Pinning information......................................................4  
8.1. Pinning.........................................................................4  
8.2. Pin description.............................................................4  
9. Functional description................................................. 5  
9.1. Level translator............................................................5  
9.2. Enable and direction control........................................5  
9.3. Feedback clock channel..............................................5  
9.4. EMI filter...................................................................... 5  
9.5. ESD protection............................................................ 5  
9.6. Pin and channel naming..............................................6  
10. Limiting values........................................................... 6  
11. Recommended operating conditions........................6  
12. Static characteristics..................................................7  
13. Dynamic characteristics............................................ 8  
13.1. Level translator..........................................................8  
14. Application information........................................... 11  
14.1. PCB design guidelines............................................ 11  
15. Design and assembly recommendations............... 12  
15.1. PCB design guidelines............................................ 12  
15.2. PCB assembly guidelines for Pb-free soldering.......12  
16. Package outline........................................................ 14  
17. Abbreviations............................................................15  
18. Revision history........................................................15  
19. Legal information......................................................16  
© Nexperia B.V. 2022. All rights reserved  
For more information, please visit: http://www.nexperia.com  
For sales office addresses, please send an email to: salesaddresses@nexperia.com  
Date of release: 8 March 2022  
©
NXS0506  
All information provided in this document is subject to legal disclaimers.  
Nexperia B.V. 2022. All rights reserved  
Product data sheet  
Rev. 2 — 8 March 2022  
17 / 17  

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