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PDF NXS0102 Data sheet ( Hoja de datos )
| Número de pieza | NXS0102 | |
| Descripción | Dual Supply Translating Transceiver | |
| Fabricantes | NXP Semiconductors | |
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NXS0102
Dual supply translating transceiver; open drain; auto
direction sensing
Rev. 01 — 2 June 2010
Product data sheet
1. General description
The NXS0102 is a 2-bit, dual supply translating transceiver with auto direction sensing,
that enables bidirectional voltage level translation. It features two data input-output ports
(An and Bn), one output enable input (OE) and two supply pins (VCC(A) and VCC(B)). VCC(A)
can be supplied at any voltage between 1.65 V and 3.6 V and VCC(B) can be supplied at
any voltage between 2.3 V and 5.5 V, making the device suitable for translating between
any of the voltage nodes (1.8 V, 2.5 V, 3.3 V and 5.0 V). Pins An and OE are referenced to
VCC(A) and pins Bn are referenced to VCC(B). A LOW level at pin OE causes the outputs to
assume a high-impedance OFF-state. This device is fully specified for partial power-down
applications using IOFF. The IOFF circuitry disables the output, preventing the damaging
backflow current through the device when it is powered down.
2. Features and benefits
Wide supply voltage range:
VCC(A): 1.65 V to 3.6 V and VCC(B): 2.3 V to 5.5 V
Maximum data rates:
Push-pull: 50 Mbps
IOFF circuitry provides partial Power-down mode operation
Inputs accept voltages up to 5.5 V
ESD protection:
HBM JESD22-A114E Class 2 exceeds 2500 V for A port
HBM JESD22-A114E Class 3B exceeds 8000 V for B port
MM JESD22-A115-A exceeds 200 V
CDM JESD22-C101E exceeds 1500 V
Latch-up performance exceeds 100 mA per JESD 78B Class II
Multiple package options
Specified from −40 °C to +85 °C and −40 °C to +125 °C
3. Applications
I2C/SMBus
UART
GPIO
1 page  
NXP Semiconductors
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NXS0102
Dual supply translating transceiver; open drain; auto direction sensing
10. Recommended operating conditions
Table 6.
Symbol
VCC(A)
VCC(B)
Tamb
Δt/ΔV
Recommended operating conditions[1][2]
Parameter
Conditions
supply voltage A
supply voltage B
ambient temperature
input transition rise and fall rate A or B port; push-pull driving
VCC(A) = 1.65 V to 3.6 V;
VCC(B) = 2.3 V to 5.5 V
OE input
VCC(A) = 1.65 V to 3.6 V;
VCC(B) = 2.3 V to 5.5 V
Min
1.65
2.3
−40
-
-
[1] The A and B sides of an unused I/O pair must be held in the same state, both at VCCI or both at GND.
[2] VCC(A) must be less than or equal to VCC(B).
11. Static characteristics
Max
3.6
5.5
+125
10
10
Unit
V
V
°C
ns/V
ns/V
Table 7. Typical static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V); Tamb = 25 °C.
Symbol Parameter
Conditions
Min Typ
II input leakage OE input; VI = 0 V to 3.6 V; VCC(A) = 1.65 V to 3.6 V;
current
VCC(B) = 2.3 V to 5.5 V
--
IOZ OFF-state output A or B port; VO = 0 V or VCCO; VCC(A) = 1.65 V to 3.6 V; [1] - -
current
VCC(B) = 2.3 V to 5.5 V
IOFF power-off
A port; VI or VO = 0 V to 3.6 V;
leakage current VCC(A) = 0 V; VCC(B) = 0 V to 5.5 V
--
B port; VI or VO = 0 V to 5.5 V;
VCC(B) = 0 V; VCC(A) = 0 V to 3.6 V
--
CI input
OE input; VCC(A) = 3.3 V; VCC(B) = 3.3 V
capacitance
-1
CI/O input/output
capacitance
A port
B port
-5
- 8.5
A or B port; VCC(A) = 3.3 V; VCC(B) = 3.3 V
- 11
[1] VCCO is the supply voltage associated with the output.
Max Unit
±1 μA
±1 μA
±1 μA
±1 μA
- pF
- pF
- pF
- pF
NXS0102_1
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 01 — 2 June 2010
© NXP B.V. 2010. All rights reserved.
5 of 24
5 Page 
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NXS0102
Dual supply translating transceiver; open drain; auto direction sensing
Table 10. Dynamic characteristics for temperature range −40 °C to +125 °C[1] …continued
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 7; for wave forms see Figure 5 and Figure 6.
Symbol Parameter
Conditions
2.5 V ± 0.2 V
VCC(B)
3.3 V ± 0.3 V
Unit
5.0 V ± 0.5 V
Min Max Min Max Min Max
tdis disable time OE to A; no external load [2] - - - 20 - 20 ns
OE to B; no external load [2] - - - 20 - 20 ns
OE to A
- - - 280 - 280 ns
OE to B
- - - 220 - 220 ns
tTLH LOW to HIGH
A port
output transition
time
B port
- - 2.3 7.0 1.9 7.4 ns
- - 2.5 8.0 2.1 9.3 ns
tTHL HIGH to LOW
A port
output transition
time
B port
- - 2.0 6.8 1.9 6.3 ns
- - 2.3 9.3 2.4 9.5 ns
tsk(0)
tW
fdata
skew
pulse width
data rate
between channels
data inputs
[3] -
-
-
- - 0.8 - 0.8 ns
- 20 - 20 - ns
- - 50 - 50 Mbps
[1] ten is the same as tPZL and tPZH.
tdis is the same as tPLZ and tPHZ.
[2] Delay between OE going LOW and when the outputs are actually disabled.
[3] Skew between any two outputs of the same package switching in the same direction.
13. Waveforms
VI
An, Bn
input
GND
VOH
Bn, An
output
VOL
VM
90 %
tPHL
VM
10 %
tTHL
tPLH
tTLH
001aal918
Fig 5.
Measurement points are given in Table 11.
VOL and VOH are typical output voltage levels that occur with the output load.
The data input (An, Bn) to data output (Bn, An) propagation delay times
NXS0102_1
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 01 — 2 June 2010
© NXP B.V. 2010. All rights reserved.
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