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PDF NTB0101A Data sheet ( Hoja de datos )

Número de pieza NTB0101A
Descripción Auto direction sensing dual supply
Fabricantes NXP Semiconductors　
Logotipo NXP Semiconductors Logotipo



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NTB0101A
Auto direction sensing dual supply
Rev. 1 — 14 July 2015
Product data sheet
1. General description
The NTB0101A is a 1-bit, dual supply translating transceiver with auto direction sensing,
that enables bidirectional voltage level translation. It consists of two 1-bit I/O ports (A and
B), one output enable input (OE) and two supply pins (VCC(A) and VCC(B)). VCC(A) can be
supplied at any voltage between 1.2 V and 3.6 V. VCC(B) can be supplied at any voltage
between 1.65 V and 5.5 V. This flexibility allows translation between any of the low voltage
nodes (1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V and 5.0 V).
Pins A and OE are referenced to VCC(A) and pin B is referenced to VCC(B). A HIGH 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 damage of the device due to backflow current, when it is powered
down.
2. Features and benefits
Wide supply voltage range:
VCC(A): 1.2 V to 3.6 V and VCC(B): 1.65 V to 5.5 V
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 port A
HBM JESD22-A114E Class 3B exceeds 15000 V for port B
MM JESD22-A115-A exceeds 200 V
CDM JESD22-C101E exceeds 1500 V
Latch-up performance exceeds 100 mA per JESD 78B Class II
Specified from 40 C to +85 C and 40 C to +125 C

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NTB0101A pdf
NXP Semiconductors
NTB0101A
Auto direction sensing dual supply
Table 8. Typical supply current
At recommended operating conditions; Tamb = 25 C; voltages are referenced to GND (ground = 0 V).
VCC(A)
VCC(B)
1.8 V
2.5 V
3.3 V
5.0 V
1.2 V
ICC(A)
10
ICC(B)
10
ICC(A)
10
ICC(B)
10
ICC(A)
10
ICC(B)
20
ICC(A)
10
ICC(B)
1050
1.5 V 10 10 10 10 10 10 10 650
1.8 V 10 10 10 10 10 10 10 350
2.5 V - - 10 10 10 10 10 40
3.3 V - - - - 10 10 10 10
Unit
nA
nA
nA
nA
nA
Table 9. Static characteristics[1]
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
Tamb = 40 C to +85 C Tamb = 40 C to +125 C Unit
Min Max Min Max
VIH HIGH-level port A or port B and OE input;
input voltage VCC(A) = 1.2 V to 3.6 V;
VCC(B) = 1.65 V to 5.5 V
0.65VCCI -
0.65VCCI -
V
VIL LOW-level port A or port B and OE input;
input voltage VCC(A) = 1.2 V to 3.6 V;
VCC(B) = 1.65 V to 5.5 V
-
0.35VCCI -
0.35VCCI V
VOH HIGH-level IO = 20 A
output
voltage
port A; VCC(A) = 1.4 V to 3.6 V
port B; VCC(B) = 1.65 V to 5.5 V
VCCO 0.4 -
VCCO 0.4 -
VCCO 0.4 -
VCCO 0.4 -
V
V
VOL LOW-level IO = 20 A
output
voltage
port A; VCC(A) = 1.4 V to 3.6 V
-
port B; VCC(B) = 1.65 V to 5.5 V
-
0.4 -
0.4 -
0.4 V
0.4 V
II input leakage OE input; VI = 0 V to 3.6 V; - 2 - 5 A
current
VCC(A) = 1.2 V to 3.6 V;
VCC(B) = 1.65 V to 5.5 V
IOZ
OFF-state port A or port B; VO = 0 V or VCCO;
-
output
VCC(A) = 1.2 V to 3.6 V;
current
VCC(B) = 1.65 V to 5.5 V
2 -
10 A
IOFF power-off port A; VI or VO = 0 V to 3.6 V;
-
leakage
VCC(A) = 0 V; VCC(B) = 0 V to 5.5 V
current
port B; VI or VO = 0 V to 5.5 V;
-
VCC(B) = 0 V; VCC(A) = 0 V to 3.6 V
2 -
2 -
10 A
10 A
NTB0101A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 14 July 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
5 of 19

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NTB0101A arduino
NXP Semiconductors
12. Waveforms
NTB0101A
Auto direction sensing dual supply
VI
A, B input
GND
VOH
B, A output
VOL
VM
tPHL
90 %
VM
10 %
tTHL
tPLH
tTLH
001aan315
Fig 3.
Measurement points are given in Table 14.
VOL and VOH are typical output voltage levels that occur with the output load.
Data input (A, B) to data output (B, A) propagation delay times
VI
OE input
GND
output
VCCO
LOW-to-OFF
OFF-to-LOW
VOL
output
HIGH-to-OFF
OFF-to-HIGH
VOH
GND
VM
tPLZ
tPHZ
VX
VY
outputs
enabled
tPZL
VM
tPZH
VM
outputs
disabled
outputs
enabled
aaa-001619
Fig 4.
Measurement points are given in Table 14.
VOL and VOH are typical output voltage levels that occur with the output load.
Enable and disable times
Table 14. Measurement points[1]
Supply voltage
Input
VCCO
1.2 V
1.5 V 0.1 V
1.8 V 0.15 V
2.5 V 0.2 V
3.3 V 0.3 V
5.0 V 0.5 V
VM
0.5VCCI
0.5VCCI
0.5VCCI
0.5VCCI
0.5VCCI
0.5VCCI
Output
VM
0.5VCCO
0.5VCCO
0.5VCCO
0.5VCCO
0.5VCCO
0.5VCCO
VX
VOL + 0.1 V
VOL + 0.1 V
VOL + 0.15 V
VOL + 0.15 V
VOL + 0.3 V
VOL + 0.3 V
VY
VOH 0.1 V
VOH 0.1 V
VOH 0.15 V
VOH 0.15 V
VOH 0.3 V
VOH 0.3 V
NTB0101A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 14 July 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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